Wolf Tooth Post to Flat Mount adapter puts new brakes on old frames, forks

Need to update your older bike with a newer groupset? Good luck finding a modern road or gravel group with post-mount brakes anymore, so if your frame or fork has the original drop bar disc brake standard, Wolf Tooth Components has you covered.

It also works for anyone trying to convert their mountain bike frame into a monster-cross or drop-bar touring bike by allowing current drop bar brake levers and caliper to be fitted.

wolf tooth post to flat mount disc brake adapter shown on enve fork

The new Post to Flat Mount adapter lets you run flat mount disc brake calipers on your post mount frame and fork. It’s $29.95 per wheel (includes all bolt hardware) and comes in black, and is recommended for SRAM and Shimano brakes (we’ve asked about Campy).

closeup of wolf tooth post to flat mount disc brake adapter

There are two caveats. First, you’ll need a minimum of 13mm clearance between the fork/frame and the brake caliper.

The second is that it adds 20mm to the rotor size, so if we’re running a 160mm rotor, you’ll now need to use a 180mm. The exception being if your frame was already using an adapter to upsize the rotor, then you should be able to stick with anything you’ve got…as long as it wasn’t 140mm.

WolfToothComponents.com

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Ernest Fitzgerald
Ernest Fitzgerald
4 months ago

Prefer to run 180 up front anyway, so this adapter is a go for me.

Mark H
Mark H
4 months ago

A.S. Solutions isn’t the only game in town anymore, but they have a +0 adapter, not just a +20.

TypeVertigo
3 months ago
Reply to  Mark H

Agreed. A.S. Solutions definitely had first mover advantage with these (I’ve seen them for sale in 2020 at the earliest), but they just don’t enjoy the same widespread availability or reach Wolf Tooth has.

P.J.Chalmers
P.J.Chalmers
29 days ago
Reply to  TypeVertigo

A.S.Solutions (Andre Sutton) has designed and produced these adapters for several years. Too bad he couldn’t afford to patent his original work to protect his creativity.

NWster
NWster
4 months ago

I like this a lot.

nooner
nooner
4 months ago

Genius! Two hands clapping.