Parts & Accessories

Purchase our Kid Trailer axle for your bike. and share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure. Robert Axles for Kid Trailers are designed specifically to fit your 12mm thru-axle bike and allow attachment of any hitch-mounted trailer. These fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet, and cargo trailers such as Thule, Chariot, Burley, Instep, Carry Freedom, and many more. - This axle is specifically designed to fit the 142/148 hub standard Surly MDS or Gnot Boost bikes. - The derailleur end of our axle is internally threaded and will use the bolt from your stock Surly axle. The disc brake side of our axle has an engineered mount for your trailer hitch. That mount has been permanently attached to the axle. - The axle shaft and axle end are precision CNC-machined. - The axle shaft is 7075 aluminum and hard black-anodized for rugged durability. - The stainless steel axle end allows for mounting of the hitch provided with your trailer. The threads are M10x1 (metric). - Hardware for attachment of the hitch is included; the hitch, itself, is not. - No special tools required. Design allows for wheel installation and removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world.

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.

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.

Our Trainer Axle is designed to adapt your Surly MDS/Gnot Boost 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. - This axle is for Surly bikes with the MDS/Gnot Boost system. - 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 wheel installation or removal using your standard 5 mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world.

Compatible with all Presta pump heads and most sealant injectors, Fillmore is backward-compatible with whatever you got, and forward-thinking in every way. Made for mountain, gravel and 'cross rims up to 28mm deep, Fillmore is one of those upgrades you don't know you need until you try it. - Airflow - 3 times standard Presta air flow, easing tubeless tire set-up and reducing pumping force - No clogging - Patented poppet-style design eliminates clogging by shielding air hole from contact with sealant - Simplicity - Ability to inject sealant without removal of valve core simplifies maintenance - Adjustable - Micro-air adjustment feature allows for precise trail-side pressure changes

The Trace rear axle fits Race Face wheels equipped with Trace hubs, like the Aeffect Wheelset. Use it as a replacement axle or to convert your wheel to a different axle standard. - Light and strong alloy construction - Compatible with Race Face Trace hub

Replacement Freehub Body for Trace hubs.

Race Face Vault hub axle. Use it as a replacement axle or to convert your wheel to a different axle standard. - Light and strong alloy construction - Compatible with Race Face Vault hubs

Seal kit to keep water and dirt out of your Race Face Vault hubs.

Race Face Vault Endcap Set for Vault 414 and 412 hubs.

Replacement freehub bodies for Vault hubs. - Use to replace worn/damaged freehub body or to switch cassette standards. - 60T

Parts for RaceFace hubs.

The Problem Solvers Axle Nut is perfect for wheels with solid axles (also called bolt-on axles). This quality nut is made of durable chrome-plated steel and features a built-in integrated rotating washer to hold tight.

Booster thru-axle hub spacer kits are designed to give your non-Boost front and rear thru-axle hubs the boost they need to fit any Boost-compatible frame or fork.

Booster thru-axle hub spacer kits are designed to give your non-Boost front and rear thru-axle hubs the boost they need to fit any Boost-compatible frame or fork. Kit includes Center Lock Adaptor, allowing riders to use 6-bolt rotors on Shimano Center Lock compatible hubs. - 10mm spacer kit adapts 100 x 15mm front hub to 110 x 15mm - Includes 10mm adapter to 6-bolt rotors - Includes external spline lock ring for thru-axle compatibility

Booster thru-axle hub spacer kits are designed to give your non-Boost front and rear thru-axle hubs the boost they need to fit any Boost-compatible frame or fork. Kit includes Center Lock Adaptor, allowing riders to use 6-bolt rotors on Shimano Center Lock compatible hubs. - 6mm spacer kit adapts 142 x 12mm rear hub to 148 x 12mm - Includes 6mm adapter to 6-bolt rotors - Includes external spline lock ring for thru-axle compatibility

- Axle adapters for CX/GX/MT-1110 Elite Series rear hubs - Available in standard QR and 12mm thru-axle options - Axles included with adapters - Material: Aly - Color: Blk

- 6 pawl/54 point/6.6-degree engagement - Cassette bodies for Elite Series CX/GX/MT/FB-1110 hubs - Sealed bearings

- Axle adapters for CX/GX/MT/FB-1110 Elite Series front hubs - Available in standard QR, 12mm, 15mm, and 20mm thru-axle options - Material: Aly - Color: Blk

- Flanged 15mm axle nuts - Durable chromoly construction - Spacing / Axle: B/O

- Flanged 15mm axle nuts - Durable chromoly construction - Spacing / Axle: B/O

Converts CenterLock hubs to accept 6-bolt rotors - Available for standard Quick Release as well as Thru-Axle hubs - Extruded alloy collar with CNC shoulder pins and lock ring - Eliminates the need for rotor bolts

- Adapters for FB-1100 series Hubs - Material: Aly - Color: Blk

- End caps for Origin8 FB-1100 fat bike hubs

- End cap for Origin8 FB-1100 fat bike hubs

Elite Series skewers for fat bike applications AL6061 alloy lever with CrMo axle Available for 135mm, 150mm, 170mm, and 190mm OLD spacing

- Axle adapters for FB-1110 Elite Series rear fat bike hubs - Available in standard QR and 12mm thru-axle options, and for 170/190mm and 177/197mm OLD spacing - Material: Aly - Color: Blk

Replacement axle sets for use with Origin8 FB-2000 hubs Front Axle: - 3/8 x 26 x 135 x 175 Rear Axle: - 3/8 x 26 x 170 x 210

Replacement Cassette body for Origin8 hubs

Origin-8's Track Cog Lock Ring with left-handed threading and 1.29 x 24tpi in a chrome finish completes your basic track cog locking needs.