SRAM Disc Brake Adaptors?

Chrisdicko · May 2019

Hi Everyone,

I am just in the process of building a new bike, to get back in to riding after 15 years, and getting fat!

I've just received some SRAM Guide RS disc brakes, without the discs, as they came with the 2nd hand wheels I've bought.

But, I need some form of bracket, as they don't fit on to the forks or frame?

These are the brakes:
https://www.chainreactioncycles.com/sra ... prod120144

These are the forks:
https://www.chainreactioncycles.com/man ... prod158215

And the frame is a 2009 Specialised Stumpjumper

The discs are 208mm front, 180mm rear.

Please, can anyone point me in the right direction for the correct adaptors I need? Preferably from Chain Reaction as they will deliver tomorrow if I get the order in before 10pm.

Thanks a lot

fallenagain · May 2019

They're both post mount. It depends on the diameter of your disc.

If it's a 160, then you can just bolt them on.

For 180 or 203, you need an adapter. https://www.chainreactioncycles.com/shi ... -prod13747

Finally, some Avid brakes (and I don't know about these) are closer to the hub and need compliant mounts (CPS). But I don't think Guides do.

Chrisdicko · May 2019

Thanks for the reply.

I'll have a look. Was slightly worried I'd bought the completely wrong ones then.

Cheers

cobba · May 2019

Chrisdicko wrote:

And the frame is a 2009 Specialised Stumpjumper

The discs are 208mm front, 180mm rear.

That frame has IS mounts on the rear, you will need a post to IS adapter on the back.

https://www.chainreactioncycles.com/shimano-mount-adaptor-rear-post-to-is/rp-prod13749

SRAM Disc Brake Adaptors?

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