All Questions
39
questions
1
vote
1
answer
151
views
Chain / Chain wheel: D type vs sealed type
I have spent a good 30 minutes on this site but couldn't find anything pointing a clear idea.
I bought a 26 inch, Dual suspension bike. It has a chainwheel of "sealed type." I asked the ...
5
votes
4
answers
822
views
GRX 2x11 - what causes the chain to bounce significantly when shifting the cassette into a higher gear (smaller sprocket)?
I recently set up a new gravel bike with all new components, including a 2x11 GRX DI2 drivetrain. 31/48 and 11-36t. It has ridden under 600 miles and only seen rain once. It is accident free and has ...
2
votes
0
answers
183
views
Bicycle chain roller diameter size chart?
I'm digging for a while now, and can not find any helpful chart for chain roller diameters e.g. Shimano 8,9,10,11,12 speed. It differs of course depending on the manufacturer and the purpose. We know ...
7
votes
1
answer
713
views
Should the chain diverge that much?
I bought a new bike that has:
11-speed SRAM NX cassette.
Single chainwheel: 36 SRAM NX teeth
11 / 42 cog.
KMC X11 chain with quick-release.
Rear derailleur: SRAM NX 11-speed.
Anti-derailment ring.
...
4
votes
2
answers
304
views
105 R7000 chain rubbing bigger sprocket when pedaling backwards
I am new to this so I wanted to know if this behavior is normal. When I pedal backwards and the chain is on the smallest sprocket I can see that the chain rubs for a second and then does a little jump....
0
votes
1
answer
114
views
Gear combinations for 3×7 Raleigh CHESTER 21 2022, frame size 50 cm
Continuing Which gears combinations shouldn't be used? and How do I know what gear combinations should work without chain rasp on front derailleur?, which are rather generic questions and answers, ...
0
votes
1
answer
118
views
MTB chain always jump after putting a new chain. It only skips on 4th and 5th gear cogs only
I replaced my old chain with a new one. After changing the chain I notice that standing pedaling uphill and flat surface in 4th or 5th gear the cogs will engage/disengage. But when I put the old chain ...
3
votes
2
answers
2k
views
What is the maximum force that an average bicycle chain sprocket can withstand?
I want to use bicycle chain sprockets for a non-bicycle related project and I'm trying to figure out what is the maximum torque I can apply.
I did a quick calculation taking a real life example - I ...
3
votes
1
answer
514
views
Why are there multiple chain whip styles when cogs can take out-of-plane forces?
Chain whips on the market can be classified into ones:
suitable for 1/8"-wide (fixed-gear) chains, such as Park Tool SR-18.2,
suitable for 7, 8, 9, 10, 11?, 12? sprockets,
suitable for 7-11 ...
0
votes
2
answers
5k
views
Vibration feel on pedals
For a while, I am having a vibration feeling (and actually it vibrates) through my feet from chain. It is not because of front derailleur, I have just aligned them. There are no problems with rear ...
0
votes
2
answers
104
views
I am thinking about changing my drivetrain to a 1xN. Do I need a new chain?
I am think about changing to a 1xN drivetrain, and I was wondering if I needed to change the chain as well.
3
votes
1
answer
2k
views
Chain skipping on upper pulley of rear derailleur
Background: I have a full suspension mountain bike with SRAM GX Eagle components. I snapped my chain recently, and replaced it with a new one of the same model. Made sure to size it the same as the ...
0
votes
1
answer
114
views
What is wrong with my bike? Where is this sound coming from?
My mountain bike has 3 sprockets in the front and 7 in the back. Whenever I use the center sprocket in the front there is a clicking sound. I cannot identify exactly where it is from, I don't see the ...
2
votes
2
answers
879
views
What is causing the chain skip after chain replacement?
I have a road bike that was converted to single speed with a single sprocket on the read wheel and a single chainring.
I had a 3/32 chain which worked perfectly fine. However after many kms and ...
0
votes
2
answers
1k
views
How long does a freewheel cog last?
4 months I asked this question when I changed my chain:
What can be done wrong changing the chain in a single speed? and the solution was to change the freewheel cog.
I decided to "invest" in the not ...