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7 questions with no upvoted or accepted answers
2 votes
1 answer
174 views

Front Mountain Bike Cable Disk Brake Is Too Snappy on First Pull

When I grab my front disk brake for the first time on a ride after my bike has sat for a while it will buck me forward. Once it bucks me it works great. I have tried cleaning it with disc brake ...
Luke's user avatar
  • 21
1 vote
0 answers
117 views

Disk brake issues

I’m new to disc brakes and noticed my braking power decreasing. Took the pads off and they look like this. Do these lines indicate anything? What is a used disc brake pad supposed to look like? What’s ...
nepa1970's user avatar
1 vote
0 answers
138 views

Hydraulic disc brakes operating by themselves

When cycling up steep inclines on my mtb sometimes the rear disc brake comes on without me being anywhere near the brake lever. I can tell it's doing it as it's gradual and pedalling becomes difficult....
Spoke2soon's user avatar
1 vote
0 answers
223 views

Can I combine two pm break mount adapter?

I think about upgrade my shimano rear brake disc from 180 to 203 mm. The mount system is a pm 160 direct, meaning I currently already have a pm 180mm adapter. Weirdly, I couldn't find an adapter for ...
Herr Derb's user avatar
  • 395
0 votes
1 answer
566 views

SRAM force axs brake judder/shake/vibrate

I have problem with my SRAM force axs brakes, I bought new disc brake rotors and as well brake pads, cleaned it all changed it, but yet when I brake it just totally judders or vibrates it just doesn’t ...
Natalie G.'s user avatar
0 votes
0 answers
568 views

How can I determine what postmount I need for my fork / rotor for front and back

I am planning to purchase Shimano Saint BL-M820 + BR-M820 hydraulic disc brake set for my Specialized Stumpjumper Comp and I have no idea what post-mount to buy since I changed my fork and I am pretty ...
Anonymous's user avatar
0 votes
0 answers
568 views

What force (in newtons) are disc brake mounts built to handle?

I'm testing a dropout design and wondering what the standard force is considered for disc brake mounts. Simulation of mine suggests a safety factor of 15 with 2000 newtons applied to the ISO brake tab/...
user avatar