Tektro Flat Mount Brake Adapter – Front 140/160 mm
The Tektro Flat Mount Brake Adapter – Front 140/160 mm (FM1.1 F160) connects a flat-mount disc brake caliper to a flat-mount fork and works with either a 140 mm or a 160 mm front rotor – one part for both sizes.
Why this adapter?
Two rotor sizes, one part. Fits both 140 mm and 160 mm front rotors, so moving up to a bigger rotor needs no extra adapter. 
Made for flat mount. Keeps the low, clean look of flat-mount brakes on road and gravel forks. 
Supplied with the MD-C550. The same adapter type comes with the Tektro MD-C550 front brake. 
Hardware included. TRP states that the front adapter comes with its mounting hardware.
The part you actually need
Fitting a flat-mount caliper to a flat-mount fork, switching the front brake between a 140 mm and a 160 mm rotor, or replacing a lost or damaged front adapter after a fork or wheel change – buy just the adapter, without a complete brake.
Where it sits
1 – flat mount on the fork, 2 – adapter, 3 – caliper, 4 – rotor.
The front adapter sits between the fork tabs and the caliper and sets the caliper height for the rotor size.
Who is it for?
- Riders who want a bigger front rotor. For steep descents or a loaded bike: the same adapter covers 140 mm and 160 mm.
- Builders of a flat-mount fork. If you only need the adapter, buy only the adapter.
- Anyone whose old adapter is missing or damaged. A direct replacement for flat-mount front brakes.
Compatibility
| Position | Front |
|---|---|
| Mount | Flat-mount fork to flat-mount caliper |
| Rotor size | 140 mm or 160 mm |
| Calipers | Flat-mount calipers, e.g. Tektro MD-C550 |
Frequently asked questions
Do I need a front adapter even with a 140 mm rotor?
On a flat-mount fork the caliper is normally fitted through a front adapter, which also sets the rotor size. This adapter covers both 140 and 160 mm.
Does it work with post-mount calipers?
No. It is made for flat-mount calipers on flat-mount forks.
Does it fit the rear?
No. For the rear, use the Tektro flat-mount rear adapter for 160 mm rotors.
About Tektro
Tektro is a Taiwanese brake specialist founded in 1986 in Changhua. It supplies brakes and brake parts to bicycle manufacturers and to riders through the aftermarket.
Its high-end brand TRP (Tektro Racing Products) was founded in 2006. Both Tektro and TRP list flat-mount adapters for their disc brakes.