Unanswered Questions
63 questions with no upvoted or accepted answers
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Type of brakes that will work with beach cruiser with no brake hole in wheel
My daughter has a 24" beach cruiser and doesn't like pedalling backwards to stop. She really wants hand brakes. There is a hole in the frame above the tire (where a rear light might be installed) ...
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Stuck chain sprocket on bottom bracket
I have a 3pc sinz BMX crank set that I've taken off of an intense pro to install on a 1999 Redline RL380. After cleaning and greasing the bearings I went to install the bottom bracket axel with the ...
- 5,202
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79
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Initial resistance / detent feeling in hydraulic brake
My brake has a up-front amount of pressure it needs before it will then engage. It feels like I'm actuating a clicky button and not a continuously moving brake. What could be causing this?
- 101
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My shimano ultegra quick release is not working because the ball bearing inside got lost, can someone help me to identify the size of it?
Can someone help me because my ultegra caliper quick release system is not working because the ball bearing inside got lost (see picture below)
- 5,202
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54
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On my stationary bike the left crank is loose only at the top
When I peddle, only at the top (pedal at it highest point) does the crank seems loose. It feels like it skips a bit as I transition down. It does not wiggle from left to right but only front to back....
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568
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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 ...
- 75.8k
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I require advice on a recurring problem with my brakes
I've had a bike with hydraulic brakes for about six months now, and have a problem with the brake just losing power. I think it's fluid being lost.
This is a question I asked earlier
Something wrong ...
- 128k
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183
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Is it possible to use cantilever brake pads with caliper brakes?
Pretty much what the title says. I have an unused set of threaded post brake pads designed for V-/cantilever brake mechanisms (DIN EN 14766 if you're curious). Can I safely use these in a more modern ...
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76
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Brakes QHD-6 Tork - how to fit new pads
I have a Claud Butler MTB which is fitted with QHD-6 Tork hydraulic brakes.
Whilst these have worked really well for a number of years, recently the rear brakes stuck on whilst I was out.
I have now ...
- 75.8k
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568
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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/...
CommunityBot
- 1
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70
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Does anyone here have measurements of SRAM's direct-mount spline interface?
The makerspace I work in purchased a new metal milling unit and I want to test its software's tolerances and mill a narrow-wide chainring.
I'm guessing it just consists of a circle with square ...
- 1,305
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817
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Clarks Exo hydraulic brakes can't get fluid in
my son has a Carrera Kraken which is fitted with clarks exo hydraulic brakes.
he mistakenly cracked off the bleed nipple last week causing the front brake to be pretty much non operational.
I ordered ...
- 75.8k
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4k
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Replacement crankset for Shimano SG B 52/39?
I have a very basic Specialized Allez (XL frame) street bike (pictured in my avatar) with a cheap SG B52/39 chainring needing replacement (warped and wearing out after two years of daily use).
But ...
CommunityBot
- 1
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1
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8k
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Hydraulic disc brakes stuck on new bike
I pulled the lever on a brand new hydraulic disc brake and the brake won't release. What's up ? The wheel was never removed and a brand new bike.
- 75.8k