Your an entire generation behind there mate lol.
Fitting flat mount caliper to post mount frame.
The adapters were designed to have enough clearance for shimano calipers.
Because it is a standard flat mount caliper rather than campagnolo s front caliper which is designed to fit to the fork without an adaptor.
This adapter allows you to use a flat mount caliper with a 140 mm.
Brake rotor on a frame or fork that was designed using the 140 mm.
Another option is to run a post mount hope rx4 caliper.
Shimano adapters sram adapters hope magura trp.
Solutions offers a few adapters that allow you to fit a flat mount caliper on a post or is frame.
At least not yet that i have seen.
Rear 160 mm calipers will only work on a 140 mm post mount frame with a 160 mm rotor if you use the 140pm 140fm adapter.
Post mount pm caliper i s.
There are limitations though.
Front calipers won t work with our adapters.
Most other calipers are smaller and should work without problems.
160 to 180 180 to 200 180 to 203 180 to 220.
Sram 10mm 20mm 40mm shimano f203p pm f180p p2 74mm frame.
Rear 140 mm calipers should work with all our adapters.
Flat mount to post mount adapter.
I ve certainly done this in the past with a pm fork to is caliper so the frame mount should be the same.
Think of flat mount as old hayes 22mm.
Now that s not to say it can t be done.
However with flat mount calipers if you re bike only accepts either post or is then it would seem you re pretty much shit out of luck.
As far as i know there is not an adapter at this point to use a flat mount caliper on a post mount frame they are not backwards compatible in that sense.
Nate w oct 23 17 at 19 23.
A vast range of adapters now exist to fit post mount calipers to various rotor sizes as well as to is frames forks conveniently post mount allowed easier setup for different size brake rotors as well as greatly simplifiedadjustability for laterally aligning the caliper on the rotor on post mount framesets the calipers fit natively with flanged m6 bolts forwhatever smallest size rotor is intended for the frame or fork.
First you have to have the.
Huge selection of every disc brake adapter you can imagine.