Unanswered Questions
63 questions with no upvoted or accepted answers
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Is this Decathlon Cobra bike (frame) unique?
So last summer I got a job in a workshop, during which I had the opportunity to build my own road bike from a Decathlon frame. The model is apparently a Cobra Special (as shown on the pictures). For ...
- 438
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Please Identify this frame FAKE BMC?
hi! I bought this bike as a BMC ALR one ~2016 model year. later I've realised that it's not BMC. The frame does not have BMC features. and have some that BMC never had on its bikes like this:
Also, ...
- 5,202
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Can I use 8s Claris R2000 Rear Derailleur on a 10 Speed Cogs (11-28t) and 10s drop-bar brifters/sti?
A 8s claris roadbike derailleur on 10s cogs and Sensah Phi 10s drop-bar shifter.
- 33.9k
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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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Help identifying this old bike please
I've got an offer from a friend to get a bike of his that has been sitting in his attic for a few years now. He says the bike is roughly 25 years old, most probably bought in the Czech republic.
Any ...
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What does "unisex" mean in the context of mechanical disc brakes?
I see the term "unisex" used with mechanical disc brakes. What does the term mean in that context?
- 1,146
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Carbon fork crack?
I have aluminum bike with carbon fork, this is in the front of the carbon fork, it is in both sides of it?
It's a carbon crack or paint crack?
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Help in Identifying bicycle frame maker
I've had this bicycle since 1996. I got it as payment from a client i used to have. I love the frame but i have never known which company manufactured it. I believe it's chromoly it is very well built ...
- 12.9k
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Buying new wheels for Evo Sport E5 cyclocross to fit slimmer tires
I've read some similar posts on this topic but would like to check that I understood correctly. A replacement of my stock Tracer 700x33c tires on my Specialized Evo E5 Sport cyclocross is overdue and ...
- 101
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Can you identify this Marin bike?
My black Marin bike was stolen this weekend and I need to identify the year, model, and estimated price for my insurance claim.
I have a picture of it below. I bought it around the year 1999 but don't ...
- 14.3k
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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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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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Rear disk brake fluid leak
I tried to adjust the pads on my rear brakes but it caused some mineral oil to leak. Not sure why. I only used couple screws to allow brake pads to adjust. What could cause the leakage? What should be ...
- 75.8k
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How much stiffness points on Shimano shoe is before it is noticeable?
I'm debating over getting the older R171 or the newer but cheaper RP501.
R171 is listed as 10 stiffness index while the RP501 is 8, but it has boa dial and is the newer design and everything.
Can ...
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Can someone help me identify the bike frame?
I have had this frame for a while now and I would like to restore it to its original look.
The person who sold it to me said that its a Sintezi, but that sounds wrong to me, all I know about it that ...
