SUPPORTED AXLE TECHNOLOGIES

thru axle finder

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%.



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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)

R.A.T. thru axle on a trainer

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 FOCUS R.A.T. compatible Trainer Axle – TRA204.F

12 x 148 FOCUS R.A.T. compatible Trainer Axle – TRA214.F

RAT thru axle replacement front and rear

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

Rear 12 x 142 Axle for FOCUS R.A.T – LIG604.F

Rear 12 x 148 Axle for FOCUS R.A.T. – LIG614.F

R.A.T. Rapid Axle Technology replacement

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 FOCUS R.A.T. Compatible Axle for Kid Trailer – KID204.F

12 x 148 FOCUS R.A.T. Compatible Axle for Kid Trailer – KID214.F

Cervelo R.A.T. thru axle

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

cervelo axle for trainer

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

mavic speed release axle alternative

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.

Front Mavic Speed Release Lightning Bolt-On Axle – LIG518

Rear Mavic Speed Release Lightning Bolt-On Axle – LIG624

mavic speed release thru axle for wind trainer

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.

Trainer Axle for Mavic Speed Release Bikes – TRA224

axle for attaching trailer to 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

Naild thru axle replacement

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:

12 x 142 Rear Naild Lightning Bolt-On Thru Axle – LIG603.N

12 x 148 Rear Naild Lightning Bolt-On Thru Axle – LIG613.N

Naild Trainer Axle

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.

12 x 142 Rear Naild Trainer Thru Axle – TRA217.N

12 x 148 Rear Naild Trainer Thru Axle – TRA213.N

Naild Kid Trailer Axle

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.

12 x 142 Rear Naild Kid Thru Axle – KID217.N

12 x 148 Rear Naild Kid Thru Axle – KID213.N

BOB Trailer Axle for Naild thru axle

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.

12 x 142 Rear Naild B.O.B. Trailer Thru Axle – BOB117.N

12 x 148 Rear Naild B.O.B Trailer Thru Axle – BOB113.N

SURLY GNOTBOOST AND MDS SYSTEMS

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.

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