Unanswered Questions
57 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 ...
1
vote
0
answers
32
views
Can't remove bleed screw SRAM shifter
I'm trying to bleed my SRAM Force D2 brakes, but I can't remove the bleed screw underneath the shifter cover:
When I try to remove the torx screw, the round part underneath (with the 111... numbers) ...
1
vote
1
answer
42
views
Replace lever for hydraulic brakes
I was moving my mountain bike in a moving van, and the the brake lever was damaged in transit.
The brake is a tektro hydraulic, and it is the Front brake.
The connector to fluid tube is gone but no ...
1
vote
0
answers
365
views
Cross (also called in-line or sub) brake levers compatible with SRAM Apex
Does somebody know of cross/in-line/sub brake levers compatible with SRAM Apex? Could the Shimano GRX sub brake levers perhaps work?
See https://bike.shimano.com/en-EU/product/component/grx-11-speed/...
1
vote
0
answers
91
views
Silver greasy coating on disk brakes
Today I came in to the bike mechanic to align my disk brake calipers and they came out with the disk brakes covered in a silver lubricant (they said that this was especially for disk brakes)
They ...
1
vote
0
answers
178
views
Fixie bike crank/pedals give in when back pedalling
Recently was given a fixie, but with braking issues.
Whenever I back pedal (as in lock up and stop pedalling completely), the crank/pedal seems to give in and not stop the rear wheel from moving ...
1
vote
0
answers
454
views
What Would Cause My Shimano Front Disc Brake to Leak after Replacement?
I noticed my Shimano BT M400 front brake caliper was missing the cap for the bleed nipple and the whole set up was covered in mineral oil.
After speaking briefly to a mechanic I bought a replacement ...
1
vote
0
answers
347
views
Can non-brake silicone lube be a good substitute for hydraulic seal lubricants in brakes?
Hope suggest using Hunter silicone lubricant (SC960) when assembling pistons, etc, on their (DOT 5.1) hydraulic brakes. It is supposed to be easily available but it took me a while to find some at a ...
1
vote
0
answers
469
views
Magura mt5- non stop micro bubbles coming out while bleeding
I have a problem bleeding my Magura MT5 brakes.
I used two 50-ml syringes and the EZ MTB bleed kit. I pushed fluid from the syringe attached to the caliper to the top (at the lever) and back again.
I ...
1
vote
0
answers
108
views
when bike kept inside, brake/ lever goes extremely stiff
so, I've been through a lot of fiddling with my brake levers, giving them a small clean out and bleed, but I've noticed now that when i keep my bike inside (on heated floor) the brake levers go stiff, ...
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 ...
1
vote
0
answers
80
views
Tektro rear brake does not stay closed
Two weeks ago I had an issue about my brakes QR not working and asked about on this site Road rim bike brakes don't open when using the release
I got some help - and I am very thankful for that - ...
1
vote
0
answers
83
views
Are Magura HS33e levers compatible with HS22 brakes?
I plan to convert a bike with Magura HS22 hydraulic brakes to electric. Thus I would like to replace the brake lever by one having the controller output to stop the motor while braking.
From my ...
1
vote
0
answers
1k
views
Hydraulic disc brake - lever slowly touches bar
I have a magura disc brake. When I pull the lever and keep applying constant pressure to it, it slowly retracts all the way to touch the bar. This process takes about 10 / 15 seconds. I have tried to ...
1
vote
0
answers
84
views
Differences and effects of brake lever offset
I've seen some flat bar brake levers where the the pivoting plane of the lever blade is offset and not in line with the center of the handlebar's cross section.
What's the purpose for such design? ...