Parts & Accessories

• Used on steel models post 1998 • Comes with new style bolts and washers

- QR Locking Hitch Pin for Adams Trail-A-Bikes

The Robert Axle Project QR Hitch Adapter is a high quality, finely machined hitch adapter for towing single-arm trailers on bikes with 5mm quick release rear axles. Our stainless steel, QR Hitch Adapter helps trailer hitches fit more bikes, easily clearing hooded and interfering dropouts. Easy to install, by simply replacing the QR nut. Our adapter uses a 5mm hex to ensure your hitch and pre-cious cargo are more securely attached than other knurled adapters. The 5mm hex also isolates and protects dropouts from marring and over-tightening of the quick release when installing the hitch.

The adapter threads on to axles with an M12x1.25 thread. The Robert Axle Project Trailer Hitch Adapter for Rad Power Bikes and Mahle/EBIKEMOTION Equipped E-Bikes. Our hitch adapter for towing kid trailers and single-arm bike trailers is high quality and precisely machined. This includes all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more. Our hitch adapter is made of stainless steel and is incredibly durable. It’s built to handle towing a fully loaded bike trailer. It easily clears a variety of dropouts. It is easy to install. Simply replace the existing non-driveside nut with our adapter, and attach the hitch that came with your trailer. Our hitch adapter uses a 17 mm wrench to attach your hitch and precious cargo more securely than with other knurled adapters. When installing the hitch, the 17 mm wrench isolates and protects dropouts from marring and over-tightening.

The adapter threads on to axles with a 3/8-26 thread. Common hubs with this axle are; Shimano Nexus, Shimano Alfine, Shimano Coasting. Robert Axle Project’s 3/8-26 adapter for Kid Trailers and Cargo Trailers is designed to allow attachment of any hitch-mounted trailer. These Hitch Adapters fit any trailer that has two wheels and a single point of attachment to the axle. Our hitch adapter is made of stainless steel and is incredibly durable. The Robert Axle Project Hitch Adapter helps trailer hitches fit more bikes. It easily clears hooded dropouts and other interfering dropouts. Simply replace the existing non-driveside nut with our adapter, and attach the hitch that came with your trailer. Our hitch adapter uses a 17 mm wrench to attach your hitch and precious cargo more securely than with other adapters. When installing the hitch, the 17 mm wrench isolates and protects dropouts from marring and over-tightening that could ruin your bike’s frame.

The adapter threads on to axles with an M10x1.0 thread. Common hubs with this axle are; Rohloff, Enviolo, Shimano Nexave, SRAM I-Motion, and SRAM Torpedo. Our hitch adapter for towing kid trailers and single-arm bike trailers is high quality and precisely machined. This includes all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more. Our hitch adapter is made of stainless steel and is incredibly durable. The Robert Axle Project Hitch Adapter helps trailer hitches fit more bikes. It easily clears hooded dropouts and other interfering dropouts. Simply replace the existing non-driveside nut with our adapter, and attach the hitch that came with your trailer. Our hitch adapter uses a 17 mm wrench to attach your hitch and precious cargo more securely than with other adapters. When installing the hitch, the 17 mm wrench isolates and protects dropouts from marring and over-tightening that could ruin your bike’s frame.

- 4 piece sleeve set for Adams Trail-A-Bikes - Includes new shim for oversized seatposts that fits 25.4mm to 35.0mm and beyond

Enables you to attach a Bicycle Trailer Kit to bicycles with a SRAM Spectro internal hub.

Required attachment for Trek MT-201 trailer bikes. Genuine replacement parts. - Perfect for adding an attachment option to a second bike. - Fits hitch heads from 2004+ (30mm) - Includes multiple shims to fit most all seatpost sizes - Installation tool included

This kit allows the Trail-Gator Bicycle Tow Bar to be used with more than one adult bike. Adult riders can take turns towing a single child's bike, giving both adults a chance to join in on the fun. The kit includes all hardware that is mounted to the adult bike. A quick release is also included in this kit. This kit is optional and is only needed when transferring the tow bar from one adult bike to another adult bike.

• 4 times greater strength • Fits seatposts from 25.4mm to 35.0mm • Retro fittable to all 15mm block, horizontal pin style Trail-a-Bikes • Fits late 1998 to present • Comes with 4 shims

Lock your Thule Chariot trailer to your bike. - Locks your conversion kit to Thule Chariot with Thule One Key system

Thule's Axle Mount ezHitch enables you to attach any Thule bicycle trailer or bicycle compatible child carrier (sold separately) to the rear axle of your bike.

Thule's Bike Trailer Thru-Axle Adapters replace your 12mm rear thru-axle to let you connect your bike trailer to the bicycle.

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. - 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. - 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.

Yes! A 12mm thru-axle adapter for BOB Trailers. These Robert Axles for BOB Trailers are specifically engineered to attach the proven BOB Trailer to your thru-axle-equipped bike. Take full advantage of your modern bike with 12mm thru-axles and harness the rigidity of the thru-axle to haul your BOB Trailer. Set out on any adventure, big or small. Great for off-road tours, trail building, hauling cargo, and more! - The axle shaft and axle end are precision CNC-machined. - The axle shaft is 7075 aluminum and hard black-anodized for rugged durability. - The axle ends are stainless steel which allows for mounting of the BOB Trailer bobbins. - No special tools required. The design allows for wheel installation or removal using your standard 5mm hex wrench. - Please note: This axle does not come with the BOB Trailer bobbins (those are available separately). Or, you can reuse your bobbins from the stock BOB Trailer Quick Release that came with your trailer. - Designed, built, and quality tested in the USA. Proven around the world.

The Trailer Yoke is for use with the Journey Trailer TX. It allows you to quickly and easily use the trailer on multiple bikes without needing to swap over the yoke.

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. 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. - This Kid Trailer axle is specific to bikes that have the Focus R.A.T. thru-axle system with Boost 148 x 12mm hub spacing. - This axle is compatible with Burley, Carry Freedom, Chariot/Thule, Croozer, Instep, and many more hitch-style trailers. - 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.

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. 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.

- Fits on most adult and children's bicycle (12'' to 20'') - Attaches onto child's bike in no time - The telescopic folding bar is discretely stored on one side of bike when not in use - Easy and pleasant to use, perfectly safe and very stable. - Costs less than a child's trailer - Carefully constructed, made from top-quality materials