Now that s not to say it can t be done.
Flat mount caliper to post mount frame adapter.
At least not yet that i have seen.
Your an entire generation behind there mate lol.
Huge selection of every disc brake adapter you can imagine.
Nate w oct 23 17 at 19 23.
I ve certainly done this in the past with a pm fork to is caliper so the frame mount should be the same.
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.
This adapter allows you to use a flat mount caliper with a 140 mm.
Is there a way to mount a flat mount caliper on a post mount frame and what adapter do i need please 140mm disc.
Sram 10mm 20mm 40mm shimano f203p pm f180p p2 74mm frame.
I know the opposite is possible post mount caliper on a flat mount frame.
Post mount pm caliper i s.
Flat mount to post mount adapter.
Most other calipers are smaller and should work without problems.
Second the is adapter only works with 180 mm rotors in the front and 160 mm in the back.
There are adapters to use post mount brakes on a flat mount frame but not the other way around.
It will only work with 140 mm.
Caliper conversion to hk xq51 diy front fork post mount 160mm front fork flat mount 160mm hk xq52 diy frame rear post mount 160mm frame rear flat mount 160mm hk xq53 diy front fork post mount 140mm front fork flat mount 140mm hk xq54 diy frame rear post mount 140mm frame rear flat mount 140mm.
Whether you re in paradoxical possession of post mount brake calipers and a flat mount frame or just need to correct flat to flat mount adapter to fit your chosen rotor size shimano has a flat mount disc brake adapter to get you up and running and stopping in a flash.
Brake rotor on a frame or fork that was designed using the 140 mm.
Shimano adapters sram adapters hope magura trp.
160 to 180 180 to 200 180 to 203 180 to 220.
For all rotor sizes.
Tested with shimano sram and campagnolo flat mount calipers.
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.
Think of flat mount as old hayes 22mm.
Front calipers won t work with our adapters.
Rear 140 mm calipers should work with all our adapters.
Solutions offers a few adapters that allow you to fit a flat mount caliper on a post or is frame.
Just about to buy a synapse frameset with post mountings for disc and most of the shimano road hydraulic calipers on sale appear to be flat mount.