Unanswered Questions
64 questions with no upvoted or accepted answers
6
votes
0
answers
109
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 ...
- 13.9k
3
votes
0
answers
67
views
Are there compatibility restrictions about remotes for dropper posts and suspension locks?
I consider adding an handle bar remote for a bike with a front-suspension fork. Given the bike has already a dropper post, I was thinking to add a dual "dropper/suspension" remote.
I noticed ...
- 21.5k
2
votes
0
answers
46
views
Why have my rim brakes started making a scraping noise?
I bought a bike about 7 months ago, and I've noticed over the last few weeks that it's started making an unpleasant scraping noise when I brake. Does anyone know what might be causing this and how to ...
- 121
2
votes
1
answer
74
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 ...
CommunityBot
- 1
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 ...
- 4,159
2
votes
1
answer
243
views
Upgrading Shimano Acera 8 speed Rear Derailleur to 8 speed Shimano XTR derailleur
Looking for some help here. I am upgrading Shimano Acera 8 speed rear derailleur to 8 speed Shimano XTR rear derailleur and it appears that because the old 8 speed XTR derailleur has a clip for the ...
CommunityBot
- 1
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 ...
- 185
2
votes
0
answers
118
views
Pirelli tires (mixing 700X23c and 70025c)
A bike shop (whom I trust) replaced my tires with new 700X25c Pirelli P Zero Zello 4S front and rear, the rear tire did not clear the fork/frame for some reason, they switched the rear 700X25c with ...
- 21
2
votes
0
answers
177
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 ...
- 121
2
votes
0
answers
514
views
Cane Creek "universal" hoods and Shimano 600 (BL-6400) lever compatibility
Does anyone happen to know know if these Cane Creek "universal" hoods are compatible with these vintage Shimano 600 (BL-6400) levers?
It's okay if they don't fit quite perfectly or if I have ...
- 128k
2
votes
0
answers
60
views
Clarification needed on hydraulic disc caliper and lever compatibility
I have a Scott Solace road bike that uses Shimano BR-RS805 hydraulic disc calipers. The hose spec is BH 59. I want to change from drop handlebars to Jones H handlebars. I will need new brake levers. ...
CommunityBot
- 1
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 ...
- 128k
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 ...
- 352
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 ...
- 115
2
votes
1
answer
1k
views
Compatibility of Shimano Ultegra and Sora components
My road bike has an Ultegra groupset, but some parts need replacement (chainrings, chain, and cassette). The chain is worn out, the cassette is sliding with a new chain, and the chainset is also worn ...
CommunityBot
- 1
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
90
views
Will a Shimano R7000 chainring fit my Ultegra 6800 crank?
Recently I almost had an accident while putting more power on the drivetrain and after replacing both casette and chain at home I noticed the chain did not settle on the chainring properly. Now I am ...
- 11
1
vote
0
answers
64
views
Wrong beltline with Gates S550 on Cannondale BadBoy
I need to rebuild the drivetrain on a secondhand BadBoy 1 with 8-speed Alfine and Gates belt I got last year. To move house I had to disassemble the crankset because the pedals had seized, and the ...
- 5,202
1
vote
0
answers
55
views
Caffélatex Tubeless Rim Strips w/ Stan's Tire Sealant
The manufacturer (Effetto Mariposa) is telling me that if I run their Caffelatex tubeless rim strips with the regular white Stan's tire sealant, that after 1-2 years the strips will be damaged by the ...
- 1,127
1
vote
0
answers
38
views
Compatibility Shimano rear derailleur RD-6300
I have this Shimano 600ax. Due to my stupidness I broke the body of the rear derailleur endings its life. There are other rear derailleurs (RD-6300) on ebay for example but these are very expensive ...
- 5,202
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 ...
- 11
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
1
vote
0
answers
467
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 ...
- 11
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, ...
- 185
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 ...
- 11
1
vote
0
answers
133
views
Campy cranks and pedals compatibility
I have a campy Super Record crank set from around the 1970’s stamped with 9/16x20F and campy pedals stamped with 9/16x20, but am met with lots of resistance when I try to install them.
The cranks came ...
- 131
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
564
views
Are SPD-SL cleats compatible with old LOOK red delta pedals?
I'm wanting to put LOOK Delta pedals off my old bike onto a bike that doesn't have clip-ins. This is going to be a spare/trainer bike. But my regular cleats for my regular 5000 miles (8000 km) a year ...
- 128k
1
vote
0
answers
82
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 ...
- 128k
1
vote
0
answers
111
views
Which crankset standard will fit in my bottom bracket?
I have a bike with a press fit bottom bracket. Unfortunately, my existing crankset has too long of a spindle, and will not fit.
Measurements of note:
bottom bracket shell width: 62 mm.
outside ...
- 7,846