700c, 27-Inch & 650c

Bringing cutting edge performance to the diverse needs of drop bar off-roaders, Reserve’s 40/44 GR gravel wheels are tailored for the demands of off-road exploration and gravel riding, but with an aero focus. Leveraging Turbulent Aero technology, the 40/44 GR features a 40mm front paired with a 44mm rear, establishing it as the fastest and most stable Reserve gravel wheelset to date. Wider than the previous gravel wheels to allow for tires up to 50c tires, the 40/44 GR plays nicely with today’s slew of big volume gravel tires and a semi-hooked rim makes tubeless set up easier than ever. - Designed to be your no fuss aero gravel riding and racing wheelset - Wider internal width of 27mm - Tubeless and tube compatible - Wide/low front mixed with narrow/tall rear for maximum stability, lowest weight and optimal aerodynamics - Internally reinforced spoke holes to strengthen the area where the rim sees the most force, around the spoke nipple. This provides for improved strength without adding unnecessary weight - Built with DT Swiss Hubs

A carbon road wheel with a 37mm depth that pairs our latest rim profile with Pro-level pricing to deliver an easy upgrade in speed, weight, and stability. Fast and lightweight The versatile Aeolus Pro 37 is the perfect wheel for climbs, crits, cross, and more. The strong, lightweight Pro-level OCLV Carbon allows for faster, more stable rim profiles—and the silky smooth hubs rolling on DT Swiss 350 internals deliver a quick-rolling ride wherever you roam. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of carbon care. If you damage your wheels while riding in the first two years of ownership, we'll replace them. It’s that easy. Product details - OCLV Pro carbon offers an optimized blend of weight, strength, and durability - All-new 37mm depth brings the benefits of aerodynamics to lightweight design - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - 37mm depth OCLV Carbon rim (28mm outer, 21mm inner width), DT Aerolite spokes 24/24, DT Pro Lock nipples - Center lock disc hubs with 12mm thru-axle front and rear, DT Swiss 350 hubs with 18 point engagement - Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs, 12sp available separately - Includes TLR rim strip, TLR valve, and traditional rim strip - Warrantied for life, no rider weight limit

Upgrade or refresh your bike. When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Affinity TLR 24H wheels - Alloy double-wall rim with 21mm internal, 26mm external width, 24 hole fr/r - Convert to tubeless with TLR rim strip and valve, sold separately - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Developed and tested using Turbulent Aero technology, the 42/49 is designed for everything you do, providing all-day capability with aerodynamic sensibilities. Raced at events as varied as the Paris-Roubaix and the Giro D’Italia, the 42/49 wheels have a lifetime warranty supported by a no-fault crash replacement. And in keeping with Reserve workmanlike ways, you’ll find external nipples, standard spokes, no tire limitations with a semi-hooked design and no rider weight limits. - Wind tunnel tested using Computational Fluid Dynamics (CFD), with the goal of maximizing aerodynamics while enhancing stability - Optimized carbon fiber rim construction allows Reserve to define the exact fiber orientation for each rim model, to maximize stiffness and strength without sacrificing weight - Built with DT Swiss Hubs

When speed across most any terrain is priority number one, look no further than the SES 4.5. Originally designed for the cobbles and crosswinds of Paris-Roubaix to provide an aero benefit with high volume tires, the SES 4.5 was the first of its kind and is now re-designed to deliver more speed in a lighter package. The SES 4.5 has been re-engineered to reduce weight, increase aero efficiency and further expand its capabilities when the going gets fast. Whether you’re pinning on the number for race day or seeking the fastest road wheelset across undulating terrain, the SES 4.5 is in the sweet spot for speed. - Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 56mm rear depth and 25mm internal rim width supports minimum tire sizes of 27mm, with an Aero Optimized design around 27 - 28mm tires. For use with Tubeless tires only - Rims are pre-taped and tubeless ready

Striking the ultimate balance between weight savings, stability, aerodynamics, and rolling efficiency, the SES 6.7 defines Real-World Fast and raises the bar for modern aero wheel performance. Grams of rim, versus grams of drag, make the SES 6.7 the outright fastest wheel on the road. - Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 60mm front depth and 23mm internal rim width supports minimum tire sizes of 25mm, with an Aero Optimized design around 27 - 28mm tires. For use with Tubeless tires only - Rims are pre-taped and tubeless ready - Due to the refined and lightweight construction of the SES 6.7 and its sidewalls, this wheel is not suitable for off-road/gravel applications

The G23 is an original purpose-built gravel race wheelset, made for high-speed, big elevation, off road pursuits. The G23 exceeds the performance and ride quality demands of serious mixed surface cyclists. Armed against pinch flats, with a tough, relentless but refined character, it is the king of the road, path and trail. Riders looking for maximum versatility, speed and efficiency will gravitate towards the G23 paired with a 40mm tire. - Full carbon rim features wide hookless beads that provide a 60% improvement in pinch flat resistance, while maintaining the ability to run lower tire pressures and improve traction and rolling resistance - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 23mm internal rim width supports 35 - 45mm tires

Racing 6 has been designed as a simple, reliable and up-to-date racing wheel. An ideal package for those seeking a smart solution that's in line with all the latest trends but with that little added plus. It's a Fulcrum wheel, it's a training wheel, it's the right aluminium wheel for those who are becoming acquainted with the world of racing bicycles and are attentive to details. - Preinstalled tubeless tape - Straight pull hubs - Centerlock hub

Fulcrum hits the dirt with new Rapid Red 5 disc brake gravel wheels. - 2 Way Fit Ready - Tubeless Ready - 2:1 Spoke Ratio for improved torque balacing - Asymetric rim for improve performances and handling - Straight pull spokes for performance and durability consistency - Included DRP protection for longer bearing lifespan - Factory installed tubeless tape - 13-Speed N3W Driver

An ideal definition for Wind 40C: a set of racing wheels designed for everyday rides, on all roads, whether for training or a Gran Fondo with the group you usually go out with. - 40mm rim depth - 18 spokes - AC3 laser treatment on the braking track - Weight: 690g

Versatility, durability, and performance designed for the gravel adventurer. Proven Duroc rim technology, wide tubeless channel, and easy tubeless setup, the Duroc G30 Expert is ready to roll. - Duroc Alloy rim with welded seam - Tubeless Ready: Factory Taped, with valves and sealant included - Ringle SRX hubs with improved performance

Developed and tested using Turbulent Aero technology, the 42/49 is designed for everything you do, providing all-day capability with aerodynamic sensibilities. Raced at events as varied as the Paris-Roubaix and the Giro D’Italia, the 42/49 wheels have a lifetime warranty supported by a no-fault crash replacement. And in keeping with Reserve workmanlike ways, you’ll find external nipples, standard spokes, no tire limitations with a semi-hooked design and no rider weight limits. - Wind tunnel tested using Computational Fluid Dynamics (CFD), with the goal of maximizing aerodynamics while enhancing stability - Optimized carbon fiber rim construction allows Reserve to define the exact fiber orientation for each rim model, to maximize stiffness and strength without sacrificing weight - Built with DT Swiss Hubs

The Vision Trimax 35 offers a lightweight combination alloy rim. With a wind cutting 35mm depth, and a bump softening width of 17mm, this wheelset is a true winner. Aero bladed spokes to these hand built wheels and you are in for a smooth ride no matter if you are on the flats or in the hills, or anywhere in between. - Alloy 35mm section clincher rim - Interspoke milling R06 system - Anodized silver CNC braking surface - Aero bladed spokes - Includes Alloy QR-65 and spoke protector - Artisan built, entirely by hand

The SES 2.3 is purpose-built for the mountains. Ultra-light, respectfully aerodynamic, and optimized for tubeless tires, the SES 2.3 raises the bar for performance through hilly and mountainous terrain. There’s no better option for the uncompromising climber who values performance up and down the mountain than the new SES 2.3. At sub-1200 grams, they’re in a league of their own and deliver a real-world advantage in hilly terrain through their lightweight design and confidence-inspiring handling. - Full carbon rim features continuously running fibers throughout the rim, tapering laminates, and removing excess material, the SES 2.3 achieves an impressive feat in weight reduction and composites engineering. Additionally, layering fibers in specific orientations achieves zone-specific performance requirements like impact toughness, stiffness, and tire retention - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel

Striking the ultimate balance between weight savings, stability, aerodynamics, and rolling efficiency, the SES 6.7 defines Real-World Fast and raises the bar for modern aero wheel performance. Grams of rim, versus grams of drag, make the SES 6.7 the outright fastest wheel on the road. - Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance - Wide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage - Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement - Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability - Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system - Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel - 67mm rear depth and 23mm internal rim width supports minimum tire sizes of 25mm, with an Aero Optimized design around 27 - 28mm tires. For use with Tubeless tires only - Rims are pre-taped and tubeless ready - Due to the refined and lightweight construction of the SES 6.7 and its sidewalls, this wheel is not suitable for off-road/gravel applications

Take to the open road with the lightest, most durable, best-handling alloy wheel Roval has ever made - the Alpinist SLX. This is the pinnacle of alloy - a wheel so good it earned the Alpinist name. There’s no room for excess weight whether you’re chasing summits or looking for ride quality. For the climbers, the wheels are stiff enough for high-powered efforts and feature confident handling. The newly engineered shot peen treatment increases fatigue life and with proven DT Swiss 350 hubs and Sapim spokes, the overall weight has been reduced by 30 grams. Because every gram counts. LIGHTWEIGHT X RIDE QUALITY: As the first-ever alloy product to earn the Alpinist name, the Roval Alpinist SLX wheels weigh in at 1,485 grams* thanks to premium alloy and a thoughtful build. Confirming what we’ve all felt: lightweight wheels feel better to ride. *1,485 grams production sample weight. Final weights may vary slightly. TUBELESS COMPATIBLE: There’s no room for excess weight whether you’re chasing summits or looking for ride quality. A Shallow rim depth amplified by tubeless compatibility means you’ll get sublime ride quality with the added efficiency, comfort, and flat protection of tubeless tires. RELIABLE PERFORMANCE: Featuring confident handling for high-powered efforts, the newly engineered shot peen treatment increases fatigue life, while the proven DT Swiss 350 hubs and Sapim spokes enhance overall durability and performance. - Rim: Alpinist Alloy, 6061 Alloy Shot-Pened, 700c, Disc Brake, Tubeless Compatible - Rim Details: 24mm Depth, 23.5mm External Width, 20mm Internal Width - Hub: DT Swiss 350 Straighpull Center Lock, Star Ratchet 36t internals (10 degs), 100x12mm & 142x12mm, Shim. RD. 11SP HG freehub (Convertible freehub) - Bearing Type: DT Swiss Sealed Steel Cartridge Bearings - Spokes: Sapim D-Light Straightpull, Front: Radial/Two-cross (2:1) 21 count, DS: 296mm, NDS: 292mm, Rear: Two-cross (1:1) 24 count, DS: 291mm NDS: 295mm - Nipple: Sapim Secure Lock Double Square Alloy Blk, 2.0 x 18mm, 16cNm - Max Pressure: 130psi - Weight: Wheelset 1,485g, Front 694g, Rear 791g (excluding 15g, tubeless rim tape, and tubeless valve) - Assembly Method: Hand-built - Extras: Roval Tubeless Rim Tape and Tubeless Valve, Spare Spoke & Nipple Kit, Lifetime Warranty, System Weight Limit: 275lbs / 125kg

Thanks to Zipp’s Total System Efficiency (TSE) carbon laminate and design, the Super-9 is engineered for a new era of wider tires and lower tire pressure in TT and triathlon. Combining Zipp’s wheel laminate with a wider rim profile and optimized tire interface helps you overcome the four barriers to speed: wind resistance, gravity, rolling resistance, and vibration losses. The Super-9 is fastest with 28mm tubeless tires inflated to lower than traditional pressure. To ensure proper inflation, the Super-9 comes with the TyreWiz 2.0 tire-pressure monitor integrated out of sight and perfectly balanced so you’ll always know if you’re in your desired PSI/bar range. Inflation is a breeze with redesigned pump access. Moreover, the disc features a redesigned pump-access port—no stickers needed. The Super-9 features the premium ZR1 hub with ceramic bearings and 66 points of engagement. - Aero, durable, light weight - Tubeless compatibility for optimization of wider tires with lower tire pressure, lower rolling resistance, and increase grip and compliance - Greater stopping power and modulation of disc brakes - 23mm internal rim width - 28mm minimum and optimal tire size recommended - Integrated TyreWiz 2.0 tire pressure monitor and redesigned pump access cover - Low drag ceramic bearings for race day performance - Includes pumpchuck adapter and Zipp wheel bag

Feel your bike come alive on the open road with the new Alpinist CLX II-the lightest, best-handling clincher wheels we have ever made. Hyper-responsive acceleration, magic in the corners, sublime over rough roads, all elevated with the performance of a tubeless system. There's no room for a single excess gram whether you're chasing summits or ride quality because perfection is only achieved when there is nothing left to take away. It takes more than a lightweight rim to deliver the incredible reactivity and handling of the tubeless Alpinist CLX II. The wheelset is designed as a system with our engineers controlling and testing every part of that system-hubs, rims, spokes, lacing-and developing it hand-in-hand with Specialized Tubeless tires. The result is a 1250-gram tubeless wheelset with otherworldly ride quality. The Alpinist CLX II utilizes a hooked rim (allowing for real-world riding pressures up to 110psi, if that's your thing) for secure tire bead retention and an easier set up and mounting experience than ever before. All in a wheel that almost doubles current industry impact standards while managing to achieve the lightest weight possible. Our all-new LightAF hubs are the spinning heart of the Alpinist CLX II. We carved 50 grams out of the previous Alpinist CLX hub with new low-profile hub bodies and machined rotor mounts. Inside, DT Swiss EXP internals and SINC ceramic bearings deliver silky-smooth efficiency and outstanding durability. - Rim: Alpinist CLX Carbon Clincher, 700c, Disc Brake, Tubeless - Rim Details: 33mm Depth, 27mm External Width, 21mm Internal Width - Hub: Roval Light Hub (LFD13/LF14R) Center Lock, DT Swiss 180 Ratchet EXP 36t internals (10 degs), 100x12mm & 142x12mm, Shim. RD. 11SP HG freehub - Bearing Type: DT Swiss SINC Ceramic Bearings - Spokes: DT Swiss Aerolite T-head, Front: Radial/One-cross (2:1) 21 count, DS: 276mm, NDS: 290mm; Rear: One-cross/Two-cross (2:1), DS: 288mm NDS: 286mm - Nipple: DT Swiss Hex Prolock Al 2.0x14mm - Tire Size: 24mm - 38mm; Max Pressure: 24mm-35mm: Tubeless (110psi) Tubed (130psi), 36mm-38mm: Tubeless (60psi) Tubed (60psi) - Weight: Wheelset 1,265g, Front 670g, Rear 694g (including 15g, tubeless rim tape and tubeless valve) - Assembly Method: Hand built at every step; from rim layup to the last nipple turn. - Extras: Roval Rim Tape, Spare Spoke & Nipple Kit, System Weight Limit: 275lbs/125kg

12mm Thru-Axle road disc wheelset designed for the best value in performance road disc. - 20mm inner width - Uses 23mm tubeless tape - Professional tubeless tape installation included - 28 spokes

Everything about the A 1800 Spline 30 is designed to make the discovery of speed accessible and enjoyable for all. Based on DT's first aero-optimized alloy rim, it marks the democratization of their Aero category. In addition to the rim, hidden nipples and aero spokes enhance the aero advantage. So what are you waiting for? Get them on your bike and chase those local KOMs with speed and the wind as your ally. - Aerodynamically optimized rim shape effectively reduces drag and allows you to hold higher speeds with ease - Aluminum construction, sleeved rim joint, hooked bead, tubeless ready rim - 370 Straightpull hub with 18T Ratchet LN System - DT Aero Comp II, straightpull spokes - ProLock hidden spoke nipples help to reduce air drag around the rim - Includes DT Swiss tubeless ready tape and valves

Get ready for long, exciting rides with the E 1800 wheels. The wide rim provides enhanced comfort so you can tackle those miles with ease. Feel the thrill of speed as you glide effortlessly along the road, with every pedal stroke transferred to the road thanks to the reliable Ratchet system. The E 1800 is designed to give you the perfect blend of reliability, comfort, and fun to make your rides truly memorable. - Aluminum, sleeved rim joint, hooked bead, tubeless ready - DT Swiss 370 Straightpull hubs with Center-Lock disc mount - Includes DT Swiss tubeless ready tape (mounted) and DT Swiss alloy tubeless valves - 18T Ratchet LN System

While DT's Hybrid Endurance wheels are made to deliver maximum speed on tarmac, the Hybrid Gravel wheels will deliver maximum fun on gravel roads. The HGC 1400 Spline is the exclusive answer for all high-end E-gravel bikes that set the benchmark in a new cycling segment. With a select mix of high-end E-specific components, this wheel has the pedigree to be the uncontested King of E-gravel. - 3 cross spoke pattern, DT AeroComp Hybrid straight pull spokes, DT Pro Lock hidden aluminum spoke nipples

Various road surfaces or weather conditions cannot deter you: the endurance-specific ERC 1100 wheels enable you to ride fast and stable. With AERO+ optimized rim profiles, wider and more comfortable tires are better supported. Ultra low-friction SINC Ceramic bearings inside DICUT Aero hubs and the latest generation of DT Swiss aero spokes are technical highlights inside the wheels. The proven Ratchet EXP freehub system with its 36T Ratchets transfers each pedal stroke precisely into forward propulsion and speed from the start right to the finish of your ride. - Aero-optimized wheels with Carbon rim supports your ride on different road profiles. Whether you enjoy an easier longer climb or the following smooth descend, riding will feel almost effortless

The ARC 1400 DiCut wheels also benefit from the AERO+ profile supporting safe riding in the aero position through optimal aerodynamics. The combination of new and proven aero components allows cyclists to control many riding situations at high speeds. - AERO+ optimized rims by Swiss Side - Stainless steel bearings

CRC 1400 Spline wheels are ready to conquer the harshest conditions with convenience. Never mind if the conditions are windy, muddy or rainy, the CRC 1400 Spline is ready to conquer them all. The aero-optimized rim supports your high speeds on descents and on the hunt for your competitors, no matter where the wind blows. The rim profile is tubeless ready, allowing you to take advantage of the technology and simply and conveniently change the tires according to the prevailing conditions of the track. This will ensure you always find the sweet spot between traction and rolling resistance.

DT's benchmark setting aero+ rim matched to a mix of top and end spokes and premium hub makes for a wheel that delivers in all conditions. Fitting 28mm tires to it's wide rims will give you all the comfort and grip needed for mixed surface rides. Using 25mm tires will aero-optimize your race bike. - Spline 240S based hub - Straight-pull hub/spokes built with 2-cross pattern - Includes factory installed tubeless tape, tubeless valve and valve guard

Comfort joins speed. PR 1600 wheels work perfectly with wider tires, which results in more comfort in the saddle and more grip on the road. These wheels excel on any terrain, transfer every bit of energy into forward momentum and take every corner with Swiss precision. - 350 based Spline hub - Straight-pull hub and spokes are radial laced - Includes steel RWS skewer, tubeless ready tape and tubeless valve

Introducing the Gravel racing GRC 1400. With a holistic approach of engineering DT re-thought the characteristics of a modern benchmark setting gravel wheel set. Aerodynamic efficiency, ideal support of wide gravel tires leading to comfort and traction off-road as well as remarkable durability are only some of the key features that make this wheel set the perfect companion for your next gravel adventure. - 42mm aero-optimized rim depth for 35mm wide gravel tires

Are you already planning your next bikepacking trip? The GR 1600 wheels are made for gravel adventures and all those unique experiences one can find far away from the tarmac and the rest of the road cycling community. A super durable aluminum wheel made of reliable components that supports you for endless miles of troublefree riding pleasure. Ready to explore the world? With the GR 1600 you definitely are. - 350 based hub

The ARC 1400 DICUT is made to go flat out fast at full speed. Developed in partnership with the aerodynamic specialists from Swiss Side, the ARC 1400 DICUT is available in rim brake version in different rim heights. The Aero wheels support the complete system of rider and bike with minimal drag and superior aero stability in various conditions. The rim of the aerodynamically optimized wheel is identical to that of the ARC 1100 DICUT series. The wheelset is upgraded with a 240 DICUT Aero hub incorporating the Ratchet EXP technology for precise engagement. In a nutshell, perfectly equipped for races against the clock. - Carbon, Hooked / Crotchet tubeless compatible rim; the shape offers high aero stability and minimal aero drag for maximum speed - 240 Dicut Aero Hub with redesigned flanges, featuring Ratchet EXP freehub technology with precise and reliable engagement by its 36T Ratchets - DT aero comp t-head spokes