measuring for flat-mount disc bolt length

Discuss light weight issues concerning road bikes & parts.
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Catagory6
Posts: 399
Joined: Thu Feb 09, 2017 2:36 am

by Catagory6

https://www.trpcycling.com/wp-content/u ... rev-21.jpg

the diagram only shows the rear triangle. does the same go for the fork as well?

dvq
Posts: 157
Joined: Mon Sep 25, 2017 1:36 pm

by dvq

Catagory6 wrote:
Mon Jul 09, 2018 9:53 pm
https://www.trpcycling.com/wp-content/u ... rev-21.jpg

the diagram only shows the rear triangle. does the same go for the fork as well?
For flat mount fork, you simply need to measure the thickness of the caliper mounting base and add 6-10mm.

Flat mount rear bolts go through the chainstay and thread into the caliper body or caliper body 160mm adapter if you're using one of those.
Flat mount front bolts go through the eyelette of the caliper body or the 160mm adapter if you're using one of those, and into the threaded insert for the fork.

by Weenie


Catagory6
Posts: 399
Joined: Thu Feb 09, 2017 2:36 am

by Catagory6

dvq wrote:
Mon Jul 09, 2018 11:58 pm
Catagory6 wrote:
Mon Jul 09, 2018 9:53 pm
https://www.trpcycling.com/wp-content/u ... rev-21.jpg

the diagram only shows the rear triangle. does the same go for the fork as well?
For flat mount fork, you simply need to measure the thickness of the caliper mounting base and add 6-10mm.

Flat mount rear bolts go through the chainstay and thread into the caliper body or caliper body 160mm adapter if you're using one of those.
Flat mount front bolts go through the eyelette of the caliper body or the 160mm adapter if you're using one of those, and into the threaded insert for the fork.
that makes perfect sense. thanks

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