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You like gravel and wide tires? This is your rim. The GR 531 is made for off-road adventures. This aluminum gravel rim with an inner width of 24mm is designed for wide, knobby tires up to 53mm. Torsion-resistant and robust, the welded rim supports a wide range of gravel use.

The Rampage rear wheel features a sealed bearing hub, 14mm axle and a Rampage double-walled rim. - Includes Stolen PVC rim strip - Brake Compatibility: Rim Brake - Wheel Size: 20" - ISO Diameter: 406 / 20" BMX - Valve: Schrader - Tire Type: Clincher - Axle: 3/8" chromoly (Heat-treated) - Hardware: Steel (17mm wheel nuts) - Hub Shell Bearings: 6000 (x2) Verify bearing number on side of rubber seal - Spokes: 187mm (3X) Black w/ Black Brass nipples - Drilling: 36h only - Weight: 32.5 oz

Champion 2.0 Black Spokes - One 264mm spoke = 7g

We designed Teravail tubeless tape for no-hassle installation. Its slight stretch allows the tape to easily conform to your rims. The translucent material shows you exactly where the tape makes contact. It's tacky enough to prevent shifting but easy to pull up if needed, and it won't leave residue on your rims. - Teravail Tubeless Tape comes in a variety of widths to fit almost any rim. - Teravail Tubeless Tape is available in a variety of widths and roll lengths. - Ten-meter length is enough for a single layer on approximately four wheels

- Fits all freewheel hubs - Will not fit Cassette hubs - Type: STD Plastic - Color: Clear

- Deep section Road racing, Triathlon, Commuting, Touring, Track racing, and Singlespeed rim for strength and aerodynamics - Hollow core aluminum with machined sidewalls for improved braking

- MAX bearings are filled completely with high precision Grade 10 balls for maximum load capacity - No retainer means these bearings have 40 percent more capacity

Our Trainer Axle is designed to adapt your thru-axle equipped bike to on-wheel trainers, such as a 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo, and many others. Our goal is to fit the thru-axle to your bike perfectly to minimize spacers and extra parts, providing a clean, high-performance axle for your bike. Train, warm up, and be race ready and fit for the season. - When it’s time for your race or time to head outside, simply remove your bike from the trainer, remove the drive side axle end and go. Our axle is suitable for use on or off the trainer, indoors or out. - The axle shaft and axle ends are precision CNC-machined from 7075 aluminum and hard-anodized for rugged durability. - No special tools required. Design allows for installation or wheel removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world. Important: Before you order, make sure your specific trainer will accommodate the width of your modern thru-axle-equipped bike. Measure your trainer at the widest setting and measure the outside width of your bike frame. Our the trainer axle ends will extend past your frame on each side.

Product specs: - 36 hole count - Front and rear specific - 28.5mm wide - Welded - 20", 24" - 395g front rim 392g rear rim - Also available in 24", black only

There has never been a better time to upgrade to the feel and performance of carbon wheels. Aeolus Pro 3 TLR is a full carbon, tubeless-ready rim brake road wheel that balances durability, weight, and aerodynamics for pro-level performance that doesn’t break the bank. Bontrager started with a proven 35mm-depth shape and added the versatility of disc brake hubs to make a carbon road wheel available to all. Key features - D3 Dual Directional Design profile cuts drag at tire-leading and rim-leading edge - OCLV Pro carbon offers an optimized blend of weight, stiffness, and durability - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel - 35mm depth OCLV Carbon rim (27mm outer, 19.5mm inner width) DT Aerolite spokes and Alpina locking nipples - Center lock disc hubs with 12mm thru-axle front and rear, Bontrager 24 point engagement, 3 pawl hub - Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs, axle swap kit available for quick release and 15mm - Includes TLR rim strip, TLR valve, valve core removal tool, and traditional rim strip

- Black Ops DW1.1 wheelsets for popular modern day BMX and wheelie bikes - Black Ops MX1100 hubs with sealed bearings and laced with DT spokes - 24mm inner rim width supports a variety of modern sizes - OLD: Front: 100mm, Rear: 110mm - Gears: Singlespeed freewheel - Type: Tube only - Size: 29-inch

- Aluminum hub body - Sealed bearings - 100mm OLD - 6-bolt disc rotor mount

Increase the agility of lightweight eMTBs using this specific aluminum wheelset. Aligned to the purpose of lightweight eMTBs, the HX 1700 SPLINE LS aim for the right balance between lightness and resistance for more dynamic handling. The 350 hubs have been redesigned for eMTB to offer more resistance to the acceleration and braking forces. In addition, the spokes have been modified to increase their strength without drastically increasing the weight. These wheels are ready to be ridden on the fastest lines in technical sections and to carve into fast and tight turns. - Built to provide enhanced riding agility for light eMTBs - Agility-focused aluminum rims are light, yet resistant; helping to enable agile riding - New Hybrid-specific spokes for an advanced riding experience, combining resistance and lightweight - Built with the 350 Hybrid LS hub for enhanced reliability and contained weight

The Clutch Hub is a traditional clutch-based coaster hub design that eliminates all of the problematic elements on ordinary hubs and only keeps the parts that work. A new, super-strong FULL 14mm axle, bearing configuration, and drag mechanism design stops the need for constant repairs. Equipped with external slack adjustment, which can be done with a 2.5mm hex key through a hub shell access hole (can be adjusted without removing the wheel), and an improved plastic hub guard spec. Same Clutch coaster hub you’ve come to love, but with a few upgrades. Features: - Maximum strength axle design - Super-durable bearing arrangement throughout - 2.5mm hex key slack adjustment through hub shell access hole. No wheel removal required. - Super-durable drag mechanism design - Crankflip ready Improvements Over the Clutch V1: - 14mm chromoly axle bolts on both the drive and non-drive side for greater reliability - Improved clutch engagement - Improved manufacturing precision throughout - More slack than the V1 hub - All-new durable proprietary plastic spec for the removable hub guard Specs: - 36-hole, 2014-T6 aluminum shell - 9T Driver - Left or right hand drive - 22 oz / 623g Guard Options: - Plastic hub guard included (but optional to use) - Alloy hub guard also available

Bontrager's marquee carbon road wheel in an ultra-aero 75mm depth, designed for the ultimate speed and stability on time trials and triathlon splits. Torch your bike split PR The ultra-fast Aeolus RSL 75 is the ultimate triathlon or time trial upgrade. Created with Bontrager's all-new three-dimensional modeling design process, the all-new Aeolus RSL delivers a step-change in performance without sacrificing stability. It's built with the lightest RSL-level OCLV Carbon, shaped into a deep 75mm rim profile that shaves watts and seconds in all-out efforts and time trials. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If you structurally damage your wheels while riding in the first two years of ownership, we'll replace them. It's that easy. Product details - RSL OCLV Carbon is lighter and stronger, allowing for faster, more stable rim profiles - 75mm depth rim profile born of 3D design modeling for our fastest, most stable design ever - 23mm inner width proven to roll smoother with less drag for a faster wheel and tire system - Tubeless Ready (TLR) rims compatible with both Bontrager TLR rim strips and TLR tape - 75mm depth OCLV Carbon rim (30mm outer), DT Aerolite spokes 24/24, DT ProLock nipples - Ultralight DT Swiss 240s internals with Ratchet EXP 36-point engagement 11sp freehub, 12s freehubs sold separately - Centerlock disc hubs with 12mm thru-axle front and rear, axle swap available for QR and 15mm - Includes TLR rim strip, TLR valve, and traditional rim strip

Snappy acceleration is what you can expect from this aluminum wheel developed to meet all cross country needs. If, to you, cross country means high-speed, after-work rides, and the occasional endurance race, then you should have a closer look at the XR 1700 SPLINE wheels. With a light and welded cross country aluminum rims, reliable 36T RATCHET SL hubs, and Swiss precision finish, all the way from the competition spokes to the signature DT Swiss wheel build quality, it's a wheelset that is up to competing, day-in, day-out, against yourself, against your buddies, or in an all-out race.

DT Champion 2.0 spokes cover the whole spectrum from reliable road wheels to MTB gravity wheels. - Straight pull spoke blanks - Nipples sold separately

Direct power transmission in every riding situation—240 with Ratchet EXP. With the latest generation of the 240 hubs, the strengths have been further enhanced. The latest Ratchet EXP freehub system increases the bearing lifetime thanks to the increased bearing distance. The new version of the end caps simplifies tool-free disassembly and makes maintenance easier. The hollow-machined ratchets transfer your energy directly into acceleration thanks to the 36 teeth.

Tubeless valves for DT Swiss rims for repair or replacement. - DT Swiss Narrow Base Tubeless Valve - 73mm

Sta Tru Rear Wheels - Single Wall rim - Wheel Size: 20-inch - ISO Diameter: 406 / 20-inch BMX - Valve: Schrader - Tire Type: Clincher

Sleeved 25 mm Enduro rim, ready for the rough. Let your muscles play on the uphills and switch to attack mode for the downhills. This is exactly what DT Swiss Enduro rims are made for. Each rim is a piece of high precision engineering and, thanks to the extremely resistant alloy, the E 512 can cope with the most demanding trails.

This is one of the most versatile spokes in the DT Swiss spoke range. DT competition gets its special strength from cold forging. This makes an extremely durable spoke and thanks to the thinner middle section, it is 48 g lighter (per 64 spokes) than a spoke with a constant diameter of 1.8 mm. It is perfect for a wide range of uses, from road wheels to super light enduro MTB wheels. - Double Butted: 2.0/1.8/2.0 - Compatible with straight pull hubs only - One 264mm spoke = 5.9g - Nipples sold separately

The new standard for durability and price. - Patented Star-Ratchet system - Contact-free seals and high precision build guarantee smooth bearings - Press-fit end caps allow tool-free maintenance and conversion

No.9 36w rims are our choice for all-around trail riding and off-road touring. They fit a huge range of modern mountain bike tires and offer lightweight performance across the board. Available in both 27.5" and 29" sizes, these highly versatile mountain rims provide huge performance gains over aluminum rims of the same width. A perfect mix of width, weight, and stiffness, these will be right at home on almost any mountain bike in your stable. As with all rims we sell, these come with tubeless valves and tape in the box. - Designed to be used with spoke nipple washers - Recommended weight limit 240lbs

- Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6" tires - Durable 6069 aluminum with welded joint and reinforced spoke bed - BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build - Reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride.

This wide rim tackles bumpy sections and holds up to hard hits. Enjoy the long rides! The sleeved aluminum gravel rim is the ideal choice for riding over gravel, roots, or small obstacles on unpaved paths. The robust, all-round rim, with its inner width of 24mm and its wide knobby tires up to 53mm, is suitable for various purposes and provides great comfort.

Origin-8's DNZ18 is a lightweight 700 x 22c aero aluminum clincher rim. It has machined sidewalls for great braking and the spoke holes are reinforced with eyelets for durability.

- Elite Series convertible MTB hubs - Available in multiple axle configurations - Shimano and XD cassette body options with 6 pawl/54 point/6.6° engagement - Straight pull and J-bend spoke options - 6-bolt disc brake rotor compatible - Sealed bearings J-Bend SPECIFICATIONS - OLD: 110mm - Left Flange Diameter: 58mm - Right Flange Diameter: 45mm - Left Locknut-To-Flange: 27.05mm - Right Locknut-To-Flange: 15.05mm - Left Center-To-Flange: 27.95mm - Right Center-To-Flange: 39.95mm Straight-Pull SPECIFICATIONS - OLD: 110mm - Left Flange Diameter: 55mm - Right Flange Diameter: 55mm - Left Locknut-To-Flange: 31.5mm - Right Locknut-To-Flange: 19.5mm - Left Center-To-Flange: 23.5mm - Right Center-To-Flange: 35.5mm

This is one of the most versatile spokes in the DT Swiss spoke range. DT competition gets its special strength from cold forging. This makes an extremely durable spoke and thanks to the thinner middle section, it is 48 g lighter (per 64 spokes) than a spoke with a constant diameter of 1.8 mm. It is perfect for a wide range of uses, from road wheels to super light enduro MTB wheels. - Double Butted: 2.0/1.8/2.0 - One 264mm spoke = 6g - Nipples sold separately

- Nutted aluminum BMX hubs with cutout flanges for aesthetics and weight savings - Sealed bearing for improved performance and longevity - Use: Rear - Gears: Flip/flop singlespeed freewheel - Drilling: 36H - Axle: 3/8-inch - Material: Alloy - Brake Type: Rim - OLD: 110mm

The Rampage rear wheel features a sealed bearing hub, 14mm axle and a Rampage double-walled rim. - Includes Stolen PVC rim strip - Hub/Brake Compatibility: Rim Brake - Wheel Size: 20" - ISO Diameter: 406 / 20" BMX - Valve: Schrader - Tire Type: Clincher - Rear Axle: 14mm Threaded x 110mm - Driver: 1-pc chromoly RHD or LHD - Driver Bearings: 6802 (x2), Verify bearing number on side of rubber seal - Driver Pawls: 3 Pawl - Driver Spring: Wraparound (x1) - Hardware: Steel (17mm wheel nuts) - Hub Shell Bearings: 6902 (x2) Verify bearing number on side of rubber seal - Spokes: 183mm (3X) Black w/Black Brass nipples - Drilling: 36h only - Weight: 45.4 oz

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 - 36T RatchetSystem technology

Featuring WTP's very own, patented 3-point clutch friction system, the Helix hub will take you backwards in style and hold up to any peg abuse that comes its way. - Unique internal arrangement with face-bearing clutch stopper - WTP Patented "Tri-Point" friction system - Hub Drilling: 32 - Cassette Body Type: Single Cog Driver - Axle Size: 14mm - Spoke Interface: J-Bend

Industry Nine Hydra Classic hubs are the heart of your wheelset, everything revolves around them, literally. Every Classic Hydra hub is made start to finish in Asheville, NC. From turning and milling bar stock 7075-T6 aluminum for shells, axles and encaps, wire EDM cutting A2 tool steel for pawls and driverings, to in-house anodization lab, every step of design, engineering, manufacturing and assembly is done to exacting standards. - 690 P.O.E. Hydra Freehub body engages every .52 degrees yeilding telepathic control - 6 pawl, 6 phase - 115 tooth drivering - Easily serviced with no proprietary tools. Designed to keep you in the saddle and out of the service queue - Classic j-bend spoke interface - Steel cartridge bearings are durable

The Deadbolt Ultralight Thru-Axles are offered in a 6mm flat button-head design, for a flush, clean look. Lightweight, easy to use, and secure. - CNC-machined from 7000 series aluminum - One-piece design - Designed to fit all current Salsa thru-axle frames - For other frames, check with the manufacturer for compatibility and other specifications - 6 mm hex wrench required for installation

Maximum stiffness and highest safety—the RWS quick release for road and MTB. Our patented RWS axle system is stiffer, safer, and easier to use than conventional quick-release axles. The RWS quick release is absolutely reliable and offers a strong connection to the frame. The perfect choice for anyone who is looking for maximum performance and safety.

- Aluminum alloy shells resist corrosion and provide lightweight longevity - Sealed cartridge bearings offer smooth operation while resisting contaminants - 20mm Thru Axle with 15mm option, 6 bolt disc compatible

Enter the Cross-Country world with the X 1900 Spline wheels. The 25 mm wide aluminum rim offers modern tires the support needed to ride low air pressure in order to minimize rolling resistance. Meticulous wheel building by hand ensures the highest quality and reliability, allowing riders to just focus on the moment - whether it is beating the sweat out of their opponents or beating their own KOM or QOM.

After years of mountain biking with thru-axles with bulky handles that seemed to strike every trailside obstacle, we needed a better option. Our Lightning Bolt-On thru axles offer a high-quality, simple, lightweight alternative to that bulky handle. Available in a range of sizes that fit both front and rear wheels on all types of thru-axle-equipped bikes. - Lightning is Better—Our front and rear Lightning Bolt-On axles offer a stronger, more durable, lower profile, and lighter weight option to replace your stock thru-axles. - Low Profile—No more bulky handles to strike trail obstacles. Aerodynamic design. - Light Weight—Our axles are internally bored to remove unnecessary material without compromising strength. - Easy to install—Our matching front and rear Lightning Bolt-On Axles require only a standard 6mm hex wrench for easy installation and removal. - Better Tolerances—Manufactured in the USA to the tightest tolerances using aerospace materials and CNC manufacturing. No longer will your axle loosen while riding.

Today's XC race machines are marvels of modern engineering, evolved to decrease weight while improving ride quality and durability, with the idea to carry the world’s best athletes to the top step of the podium.The Reserve 28 XC is the race-ready culmination of everything learned from years at the highest levels of competition, and it delivers on a heap of promises. At a genre blurring 1300g for a complete wheelset (with no rider weight limit and our market-defining lifetime warranty), the 28 XC features a wider and lower rim profile to increase strength and lateral rigidity, while adding vertical compliance for enhanced traction. - Designed for XC riding and racing - Carbon fiber construction with 2.8mm asymmetric offset - Step-in internal rim bed to ease tubeless installation - Lower profile for added lateral stiffness with increased vertical compliance - Ships with rim tape installed, tubeless-ready valves, and cards identifying the Santa Cruz builder of each of your wheels - Backed by Santa Cruz lifetime warranty

- SRAM, X9, Freehub Body, 11.2015.028.100

Sta-Tru Double Wall Front Wheels. - Hub/Brake Compatibility: Rim Brake - Wheel Size: 20-inch - ISO Diameter: 406 / 20-inch BMX - Front Axle: 3/8-inch x 100mm - Valve: Schrader - Tire Type: Clincher

Whether the goal is a finish line, epic adventure or simply getting back home again, SRAM'S 900 hubs are ready for the challenge. On the inside, the smooth and durable DOUBLE TIME drive mechanism ensures rapid engagement for quick and confident pedal responsiveness. SPEEDBALL bearings provide smooth, long-lasting rotation performance. Multiple spoke-count and cassette-capability options, as well as interchangeable end caps, make the 900 hubs a perfect choice for any disc-equipped road, gravel, cyclocross, cross country, trail, or enduro bike. - Versatile driver body can accept ROAD or MTB drivetrain, full spline or XD cassettes - Fully convertible with tool-free end caps - BOOST variants - 24, 28 or 32 spoke holes

Sta Tru Rear Wheel - Single Wall rim - Wheel Size: 18-inch - Cassette Body Type: Threaded Standard 1.37-inch x 24tpi - ISO Diameter: 355 / 18-inch BMX - Valve: Schrader - Tire Type: Clincher - Rear Axle: 3/8-inch Threaded x 110mm

- 6 pawl/48 point/7.5-degree engagement - Cassette bodies for Elite Series RD-1110 hubs - Sealed bearings - Material: AL7075

Ratchet freehub bodies have a gloss finish and don't have a seal, as this is fixed on the hub shell. The Ratchet System was the first of this type for DT Swiss; used in the mid-range products like the 350 hubs. - End Cap Included

- Supplies full wheel illumination for 700c/29in wheels and smaller - Approximately 40 hrs of battery life - Water resistant design - Includes 3 (AA) batteries - Sold individually (1 wheel) - Easy to install

- Elite Series convertible fat bike hubs - Available in multiple axle configurations - Shimano and XD cassette body options with 6 pawl/54 point/6.6° engagement - J-bend spoke compatible - 6 bolt disc brake rotor compatible - Sealed bearings - Material: AL6061 - Color: Blk - Brake Type: 6B - PCD-L: 58mm - PCD-R: 58mm Quick-Release: - LTF-L: 48.65mm - LTF-R: 48.65mm - CTF-L: 36.5mm - CTF-R: 36.5mm 12mm Thru-Axle: - LTF-L: 52.15mm - LTF-R: 52.15mm - CTF-L: 46.5mm - CTF-R: 46.5mm

CNC machined from 6061-T6 aluminum alloy, Box One Schrader Valve Caps add a touch of style to any bike. Available in anodized red, blue, and black with laser-etched Box logos.

When mounting a wheel quickly and safely, the RWS system is untouchable. It combines the fast mounting of a conventional quick release with the force and safety of a fitting. The high-precision toothing at the inside of the lever allows you to fully tighten the axle and perfectly position the lever. - Ratcheting system tightens skewers with turns rather than a cam - Lever can be rotated into an ideal position after tightening - Conical X12 washer, compatible with Syntace X-12 system - Removable, plug-in lever design is streamlined and protects your RWS lever - Thread Pitch: 12 x 1.0mm

Shimano Alfine Center Lock Dynamo Front Hub - Compatible with 26 to 28-inch wheel sizes - Light alloy QR lever and nut - 6V, 3.0W output - Centerlock rotor mount - Spoke Interface: J-Bend - Weight: 575g

Replacement clear plastic spoke guard.

WTB's TCS AL valves are aluminum to shed grams, and come in catchy anodized red, black, or blue. A stepped lock nut adds compatibility among various rim drillings, a smooth pump interface makes adding air easy, and a removable core makes setting beads and injecting sealant a cinch. - Presta - 46mm

Reserve 30 wheels feature a 30mm internal width that supports 2.3-2.5" tires, and the thick rim beads stand up to the abuse of tough, rocky, steep tracks ridden at elite speed. While DH rims see greater single impacts, nothing beats the full weekend of regular abuse that an EWS race dishes out. To say nothing of the infamous 'Anti-Grip' and the rocks buried within the moondust in the Andes of Chile. - Designed for DH riding and racing - Carbon fiber construction with 4mm asymmetric offset - Reinforced rim bed for impact resistance - Rated for e-bike use - Ships with rim tape installed, tubeless-ready valves, and cards identifying the builder of each of your wheels - Backed by a lifetime warranty

This is one of the most versatile spokes in the DT Swiss spoke range. DT competition gets its special strength from cold forging. This makes an extremely durable spoke and thanks to the thinner middle section, it is 48 g lighter (per 64 spokes) than a spoke with a constant diameter of 1.8 mm. It is perfect for a wide range of uses, from road wheels to super light enduro MTB wheels. - Double Butted: 2.0/1.8/2.0 - One 264mm spoke = 6g - Nipples sold separately

- Steel end nut for QR skewers

Affordable Aero Combine state-of-the-art aerodynamics with the benefits of tubeless ready, and you've got the Aeolus Comp 5 TLR road wheel. A classic aluminum rim with a seamlessly attached 50mm carbon fairing combine for a proven aero profile that has been wind tunnel tested to be incredibly fast. Aeolus Comp 5 TLR is a proven high-value option for the aero-conscious rider. Key features - Rim construction combines lightweight aluminum rim with a bonded carbon fiber fairing - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - Aluminum with carbon rim construction (23mm outer, 17.5mm inner width) - Compatible with Shimano 10/11 speed, SRAM 10/11, - Includes Bontrager TLR rim strip, TLR valve stem, internal cam quick release, and traditional rim strip - DT bladed spokes 18fr, 24r, Alpina locking nipples - No rider weight restrictions

Direct power transmission in every riding situation—240 with Ratchet EXP. With the latest generation of the 240 hub, the strengths have been further enhanced. The latest Ratchet EXP freehub system increases the bearing lifetime thanks to the increased bearing distance. The new version of the end caps simplifies tool-free disassembly and makes maintenance easier. The hollow-machined ratchets transfer your energy directly into acceleration thanks to the 36 teeth.

- Heat-treated axle for improved strength - Angled Flanges for lateral stability in wheel building - Rear hubs include a 4-pawl cassette body with 9-tooth driver - Use: Front - Drilling: 36H - Material: Alloy - Brake Type: Rim - OLD: 100mm

The FR 541 may not be your first rim, but it aspires to be the last. The new rim shape improves the impact resistance, enabling you to push a little harder on the trails. It also enhances the pinch flat protection for a trusty ride on rougher tracks. Build this rim with care and it will reward you with resistance and lightness for a long-lasting bond. - Aluminum welded construction, hooked tubeless design - PHR – Pro Head Reinforcement system increases the load-bearing surface of the nipples on the rim and reduces localized stresses - Provides a 17% increase in pinch flat resistance compared to the previous FR 560 rim - Disc brake only