How To Stop Your Disc Brakes Rubbing! | Maintenance Monday

Rubbing brake discs can be one of the most annoying things when cycling! Not only does it sound awful, but it increases wear on components and (most importantly) it steals away those precious watts! Alex shows you how to stop this pesky issue.
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[gcntech]

What do you want to see Alex fix next on Monday Maintenance? Let us know in the comments!

[Coconut]

This was extremely helpful! I had a brand new bike put together by my LBS and had this annoying noise. This video helped me fix it myself and save a trip to the LBS.

[Mathieucros]

Business card tip used to fit the wheel and then removed works like magic

[kuoeangloh]

Thanks... I am new cyclist. Have a disc brake bike. Since meet few time this issue. Tired every time go to bike shop for my brake alignment. Today see the teaching video . It help me a lot. And I fix it this issue. It very happy. Thanks GCN

[felixbroug]

Tip: put a white piece of paper on the ground in line with the brakes in order to check the brake rubbing, works en perfectly with low light!

[narcosis]

Centering the calipers is not always that straight forward. Commonly forgotten is that the action of doing the bolts up moves the caliper off centre. A business card used on the offending side that the caliper moves works well here.

[dh]

Take a shot every time someone in the comments says “just ride rim brakes”

[dpowers]

Simple video, fixed my issue. Thank you Sir!

[evanAmazing]

I have a bike that had some mild rubbing. I did the "push back the pistons" technique and it worked great! Super easy to do. Thanks for the quick and useful video.

[LUCYDIAMONDBOXER]

Sticking with rim brakes.
Disc brakes are like being in a real high maintenance relationship who has a load of allergies 🙂 squeeling, warping, over heating, contaminated, bent, misaligned...

[sabamacx]

Difficulty with disc brakes always comes down to awful frame manufacturing and preparation: a big middle finger to manufacturers for cutting corners. Get your brake mounts faced properly and enjoy drama free disc brakes.

[philipcooper]

9 out of 10 times the issue is warped rotor, mainly after overheating it on long descents.

[randomgoogler]

Worked great on my ebike. Shop had slightly over tightened, so there was a tiny faint noise of rubbing coming from rear break. After this video I loosened the two rear alan bolts till loose then squeezed break hard, released, and tightened back up but not as much as too replace the same amount as last times "tighten" picking up bike my rear wheel now spun freely! So then I tightened just a little bit more to make sure it was securely tightened. I will go for a test break rise here soon.
Thanks!

[raff]

The only thing that worked for me was to take out the U shaped spring ( thin metal piece) that pushes the caliper apart and "reshape" it. I made it wider and that solved the problem instantly. It's been good all season after that fix.
I believe the manufactures should make a slightly more robust spring.

[mikehammersley]

Followed these steps and worked like a charm. Thanks GCN!

[markj.a]

Shame it's gonna squeal again when a gentle breeze contaminates it.
I'd actually like discs but they just seem like such a pain in the a** to maintain. Also more expensive.
I'll admit I live in the mountains and there are times where I would have probably been more confident on discs and I'd love not to have to keep swapping rims over between aluminium and carbon depending on the ride.

[richardmiddleton]

Wiggle the wheel back and forth with a little brake pressure with the bolts slightly loose and GRADUALLY tighten the bolts one then the other then the other etc. whilst still running the wheel back and forth slightly. You are welcome.

[Towelman]

This was actually super help full and simple to follow thank you so much gcn

[daztastic]

I’ve seen many videos where they demonstrate “pushing the callipers back in” but my thoughts are always that if the callipers have failed to go back in at some point -hence the need to push them back manually, what’s to stop this happening again, surely there’s an underlying problem which needs addressing. Won’t pushing them back in manually only fix this issue there and then, and probably for a very short period? It’s like saying if your car repeatedly blows the same bulb the answer is to replace that bulb and bingo! It’s working again. Lol.

[matthiashertz]

Exactly the problem I faced. Was fixed with the first tip, thanks.