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Unanswered Questions

54 questions with no upvoted or accepted answers
6 votes
0 answers
105 views

What is forward drag on a coaster brake

I have a single-gear coaster brake bicycle that needed fixing. I would have to pedal real hard to get it to go and backpedal a block in advance for bike to stop. Very spongy brakes. Well I took brake ...
2 votes
1 answer
72 views

Sram/Avid brake hose compatiblity

I have Sram Rival AXS which I want to transfer from one bike to another. Unfortunately the new bike is bigger (M -> XL) so new brake hose is required. SRAM recommends SRAM Brake Hose Kit - Double ...
2 votes
0 answers
95 views

Cable housing end cap for BR-M375

I replaced the no name brake calipers on an entry-level ebike for Shimano BR-M375. The cable housing for the rear caliper was a bit too long, so I cut off a few centimeters. Then, I put a new 5 mm end ...
2 votes
0 answers
284 views

after multiple brake bleed, lever's max stiffness is still close to bar

so after a few bleeds i've done on these Shimano saints, because of new levers replacement, i've found that the rear brake lever, although on max stiffness, goes way further to the bar then the other ...
2 votes
0 answers
248 views

Service DMR V8 pedals - V2 and V2.1

I have been using DMR V8 pedals on my bikes for just a couple of months. They started to spin slowly and make noise really quick so I'm trying to service them. I'm not sure that I got it right with ...
2 votes
0 answers
175 views

SRAM Hydraulic brake stuck (with a changed bite point) after landing/impact

I experienced a weird problem on my SRAM level t 2 piston brakes. I like hopping my bike around, e.g. bunny hopping onto curbs. Sometimes, if the impact is hard, the brake lever would have reduced ...
2 votes
0 answers
232 views

Which ball bearings to put in Union K10491 pedals?

I am trying to put a neglected bicycle back on the road. It has a pedals marked with W. GermanyK10491. Google search revealed that they are Union K10491 pedals. I have found good pictures on ebay. My ...
2 votes
0 answers
161 views

What kind of frame and brakes are these?

I just bought a bike and I can't figure out what kind of frame and brakes it has. I found that the derailleurs were made by DNB Japan somewhere around 1960 and that the handlebar is french (Guidonn ...
2 votes
0 answers
3k views

Shimano Nexus 3 coaster brake screeching sound

When I brake hard/er with my Shimano Nexus 3 coaster brake it makes a loud screeching sound. Like really loud, everybody on the street would hear it and turn around. Since I know it's all internal all ...
2 votes
0 answers
706 views

Internal Roller Brake Problem

I have Shimano Inter M Roller Brakes on my bike. I felt the rear brakes were a bit light after riding 800 or so KM (total mileage on my bike so far) so I thought maybe theres a bit of cable stretch ...
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
77 views

Pedal Stroke Analysis on a BikeErg

Hello I'm in the market for an indoor bike and am considering the BikeErg. I'd like to know if there is a way I can do pedal stroke analysis like that offered by the Wattbike (https://support.wattbike....
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
177 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
460 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 ...

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