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fitting a 203mm to my front end and a 180mm to the rear.
i need help to source the correct mounts.
i think the front may be a post to post mount ??
no idea at all what the rear is. any help greatly apprciated.
Front is post mount
Rear is flat mount.
I’ve not seen a 180mm adapter for flat mount though.
Here’s one: EDIT designed for front brake, so probably won’t work
What size is the current rear disk? You'll need a different adaptor depending on whether it's a 140 or 160 rear FM. Note that you can't use that front FM adaptor above on the rear.
If you have a 160mm rotor there... this adaptor will allow you to fit 180mm...
rear disc in 160. want to change to 180
front is 160. want to go to 203.
Shimano SM-MA-F203PP for the front.
Shimano SM-MA-R160D/D for the rear.
