Our Thru Axle Finder Guarantee
Robert Axle thru axles are designed and made to fit YOUR bike and YOUR needs! That’s why we have created this handy Thru Axle Finder so you can find the exact axle you need. When you use the Fitment Finder, we guarantee the result of the Finder, 100%.
Supported Axle Technologies: R.A.T. Axles, Naild Axles, Mavic Speed Release Systems and Surly Bikes
Yes, we have solutions for a variety of proprietary thru axles, such as:
- R.A.T. (Rapid Axle Technology) thru axles, found on some models of FOCUS, Merida, Centurion, and Cervelo Bikes.
- Mavic Speed Release systems, found on a variety of bikes.
- Naild thru axles, found on some models of Marin, Polygon, and Argon 18 bikes.
- Surly GnotBoost and MDS Dropout bikes.
R.A.T. (RAPID AXLE TECHNOLOGY)
Trainer Axle
Our R.A.T. Trainer axle allows use of your R.A.T. axle equipped bike with any wheel-on trainer. It will also work with direct-drive trainers if your trainer allows for use of a 12mm thru axle bike.
12 x 142 or Boost FOCUS R.A.T. compatible Trainer Axle – TRA214.F
Lightning Bolt-On Axle
Replace your front 12mm or 15mm axle or your rear 12mm stock R.A.T. axle (found on some FOCUS, Merida and Centurion bikes) with our lightweight, easier to use Lightning Bolt-On.
Front 15mm Axle for FOCUS R.A.T. Fork – LIG509.F
Front 12mm Axle for FOCUS R.A.T. Fork – LIG510.F
Kid Trailer Axle
The R.A.T. compatible Kid Trailer Axle allows you to attach a hitch style child or cargo trailer to your R.A.T. axle equipped bike. Perfect for sharing your passion for cycling with your family!
12 x 142 or Boost FOCUS R.A.T. Compatible Axle for Kid Trailer – KID214.F
Lightning Bolt-On Axles for Cervelo Bikes with R.A.T. Axles
If you have a Cervelo bike that has the R.A.T. (Rapid Thru Axle Technology), we’ve got a neat and tidy replacement option. The rear axle comes with our R.A.T. Cervelo derailleur hanger that you will need to install the axle and the front axle comes with a threaded nut.
Front 12 mm Thru Axle for Cervelo Bikes with R.A.T. system – LIG519.C
Rear 12 mm Thru Axle for Cervelo Bikes with R.A.T. System – LIG623.C
Trainer Axles for Cervelo Bikes with R.A.T. Axles
Yes, you can use your Cervelo R.A.T. equipped bike on a wheel-on trainer. This axle comes our R.A.T. Cervelo derailleur hanger that you will need to install the axle.
Trainer Thru Axle for Cervelo Bikes with R.A.T. system – TRA223.C
Kid Trailer Axle for Cervelo Bikes with R.A.T. Axles
This thru axle allows you to attach a hitch-mount style trailer (Thule, Chariot, Burley, InStep, etc.) to your R.A.T. equipped Cervelo bike. This axle comes with our R.A.T. Cervelo derailleur hanger that you will need to install the axle.
Kid Trailer Thru Axle for Cervelo Bike with R.A.T. Axle – KID223.C
MAVIC SPEED RELEASE
Lightning Bolt-On Thru Axle Replacements for Mavic Speed Release
A lighter, lower profile and less complicated thru axle for your Mavic Speed Release dropouts. This axle has a special “double lead-in” 1.0 thread pitch that ONLY works with Mavic Speed Release.
Trainer Thru Axle for Mavic Speed Release Systems
A thru axle so you can use your Mavic Speed Release bike on a wheel-on trainer. This axle has a special “double lead-in” 1.0 thread pitch that ONLY works with Mavic Speed Release.
Kid Trailer Thru Axle for Mavic Speed Release Systems
This thru axle allows you to attach any “hitch-style” trailer (Thule, Chariot, Burley, InStep, etc.) to your bike with Mavic Speed Release system. This axle has a special “double lead-in” 1.0 thread pitch that ONLY works with Mavic Speed Release.
Kid Trailer Thru Axle for Mavic Speed Release System – KID224
NAILD THRU AXLES
Lightning Bolt-On Thru Axle Replacements for Naild Axles
Replace your stock Naild axle with a simpler, easier to use and more durable bolt-on axle. Our Naild replacement axles are a great alternative for your Naild equipped Marin, Polygon or Argon 18 bikes.
Front:
15 x100 Front Naild Lightning Bolt-On Thru Axle – LIG516.N
12 x 100 Front Naild Lightning Bolt-On Thru Axle – LIG506.N
Rear:
Trainer Thru Axles for Naild Axles
Use your Naild axle equipped bike (some models of Marin, Polygon and Argon 18 bikes) on a wheel-on trainer.
Kid Trailer Thru Axles for Naild Axles
This axle allows you to attach any “hitch-style” trailer (Thule, Chariot, Burley, etc.) to your Naild thru axle equipped bike.
B.O.B. Trailer Thru Axles for Naild Axle Bikes
This axle allows you to attach a B.O.B. Trailer to your Naild thru axle equipped bike.
SURLY GNOTBOOST AND MDS SYSTEMS
Thru Axles for Attaching Kid Trailers to Surly Bikes
The thru axles below allow you to attach any “hitch-style” trailer (such as a Thule, Burley, Chariot, etc.) to a Surly bike.
Surly GnotBoost Thru Axle for attaching a Kid Trailer – KID218
12 x 177 Surly MDS Thru Axle for attaching a Kid Trailer – KID219
12 x 197 Surly MDS Thru Axle for attaching a Kid Trailer – KID220
Legal statement of the obvious. Our goal is to produce a solution for all bikes. No permanent modification is required of your bike. At any time you can return your bike to using the original thru axle by simply reinstalling the original hardware and thru axle that came with your bike. All trademarks of Naild, Focus, Cervelo, Surly and Mavic are respected.