Cervelo RAT thru axle replacement

Cyclists love their R.A.T. replacement axles

Part of our job is to keep up with bike industry standards and specific individual bike brand standards. In the past few years, we’ve developed a series of thru axles that can replace the R.A.T. (Rapid Axle Technology) found on a few bike brands, namely FOCUS and Cervelo. We’ve gotten an unexpected volume of great feedback from customers below!

See our full line of R.A.T. compatible thru axles.

Tore – Great axle/nut that replaced the not-so great R.A.T. – axle that my Focus Mares came with. Finally I can change wheels without swearing, sweating and the use of several tools. R.A.T is OK as long as you don’t have to change wheels.

Gonzalo – Very good quality You save 50 grams of weight original focus axle. Black anonized nut. Much better than aluminum color.

Terry  – The Robert Axle Project Company and their front and rear axle opinion , I have a 2015 Focus Mares CX Bike with the R.A.T. thru axle system. By replacing the rear R.A.T. thru axle with the Lighting Bolt-On Axle I have removed all of the inconsistency that I was having. The fit and finish of the lightning bolt-on axle is top of the market.

Leithen – Really great product. My Izalco Max Disc was having issues with the RAT thru axles and I couldn’t find replacements here in Canada, despite trying. While I did like the RAT axles, these are a far superior and more durable solution. Also, really great build quality. Thank you!

Jason – The perfect solution to the “perfect” solution from Focus! High quality, easy to use, and great fit. Thank you!

Viacheslav – The original axle on Raven is a night mare. Not only it’s almost impossible to install a wheel during a race, when everything is covered in mud and your hands are shaking like crazy. But it also can’t create enough grip to prevent some hubs from creaking in the frame. And when you tighten the axle more, the thread on the adjuster strips, leaving you in a middle of a marathon without your bike, nice ???? This Robert Axle piece is just great, and, I believe, it’s a must have for anyone who unlucky enough to get a bike with RAT ????

Josh – What a wonderful product. Makes removing and installing wheels so much easier than the RAT axles that originally came on my Focus Mares CX. Also gives me much greater confidence that they are on securely when installed. Installation was a breeze as well. I’m a believer! Thanks guys!

AK – Could not have been any easier to install (Focus Izalco Max Disc). Great, precise construction too. The instructions were a little bit outdated but I didn’t really need them. A must-buy if you’re using Focus R.A.T. axles.

Gary – RAT replacement fit perfectly. Shipping was practically immediate. All is well in the Focus Mares axle world. Highly recommend if you are frustrated with your RAT axle.

Matt – After breaking a couple of R.A.T. axles and having the rear axle creak and shift, and struggling with rotor rub on my front brake I lost all confidence in the R.A.T axle. NOW I get what the big deal is about through axles. The Robert Axle Project axles noticeably improved the ride quality of my Focus Mares. And now I’m not worried about another mid ride failure. Fit and finish are perfect. RAP the R.A.T. You won’t go back.

Alex – Used this axle to put my Focus Paralane on a direct drive trainer, works like a charm. Thanks to great support that helped advised me on choosing this axle among the rest. Will ride with it too, and probably, get a front one ????

Kierstyn – The Robert axle is a great replacement for the original RAT axle that came with the 2015 Focus Mares CX bike. Now, I have both front & rear Robert Axle replacements that should outlast the bike’s requirements for me. Perfect fit for my Direto Elite trainer Well done

4 thoughts on “Cyclists love their R.A.T. replacement axles

  1. I wish I had done this sooner. All Focus owners with R.A.T. should immediately dump them. The R.A.T. were never as easy to get in/out of the rear. I have two wheel sets that have just a tiny difference in width that required them to be adjusted to tighten down.

    This just solved all my problems, thank you.

  2. While RAT axles are interesting, they appear to have problems. Note that Cervelo, a sister company to Focus the originator of the system, has now dropped their use in their new bikes. I have a Cervelo R3D which uses the RAT axles, and have noted that they are a bit fiddly, that the adjustment between tight and too tight is a very narrow range, that they creak if you get it too loose, and that if you get it too tight the brass outer piece starts shaving bits off the soft threaded aluminum insert underneath, disconcerting. Yeah, but is it dangerous? One engineer who owns the same bike thinks so. He thinks that the brass piece may act as a punch destroying the threaded aluminum insert, which will junk the axle. Also, he think the T locking end is prone to catastrophic failure. For me, the fact that they’re irritating was enough to look for a quality alternative. Here it is!

  3. I have a Focus Paralane 2 (e bike) with the dreaded RAT system. I have replaced the RAT axle with a Robert Axle through axle on the rear. GREAT!! Just wish you made one for my front axle (110 mm x 12mm I believe.) Supplied through SJS in the UK

  4. I have recently bought a new Focus Raven mountainbike with RAT system, unfortunately changing a wheel with this system is really unfeasible. Fortunately you have developed a good alternative, keep up the good work !!

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