Shortening disc brake lines
Shortening disc brake lines
Author
Discussion

Randy Winkman

Original Poster:

20,864 posts

212 months

Friday 15th May 2009
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Hi folks, I've got my first bike with disc brakes (hydraulic). The front brake line was always a bit long - but now that I've narrowed the bars (they were silly wide) it really is too long. I've always been reasonably happy doing bike mechanics, but know nothing of disc brakes. Is it easy for me to shorten the brake line?

Steve UK

290 posts

209 months

Saturday 16th May 2009
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Hi,

Yes it's easy, just get a spare olive which is the crushable brass ring. Some extra brake fluid as recommended by whatever brakes you have.

Your brakes may have come with a cutting block, 2 pieces of plastic with a hole in which you sandwich your brake line it to make a clean cut.

If not get a new scalpel blade and carefully cut without squashing the pipe.

Refit your screw collar, then your olive and refit to your caliper, tighten and bleed.

Steve.

p.s Dont cut it too short wink

Randy Winkman

Original Poster:

20,864 posts

212 months

Saturday 16th May 2009
quotequote all
Many thanks for this Steve.