Questions tagged [sprocket]
A sprocket or sprocket-wheel is a profiled wheel with teeth that meshes with a chain. Bicyclists normally call the front sprocket attached to the cranks the "chainwheel" and the rear sprockets either "sprocket" or "cassette."
18
questions
9
votes
1
answer
29k
views
What are the widths of Shimano 8, 9, and 10 speed cassettes?
I was hoping that someone could provide me with the precise Shimano road-bike 8, 9, and 10 speed sizes for the following:
Cassette Spacer Width
Cog/Tooth Width
Maximum Chain Width
22
votes
6
answers
7k
views
Are single chainring mountain bikes usual?
I just bought my son a typical+ mountain bike in a typical Frech sports shop (a BTWIN 530 at Décathlon) and realized that it has only a single sprocket at the front, and 9 sprockets at the back:
I ...
9
votes
3
answers
42k
views
Which lubricant/grease to use for ball bearings?
A little mishap happened today during cleaning my bicycle. I tried to take off the sprocket wheel for easier access, but instead I opened the lock nut of the hub (cassette type) and the balls came out....
3
votes
1
answer
14k
views
Can I replace only the smallest cog on my rear cassette?
I currently have a 12-30t rear cassette which needs replacing. While I'm at it, I really want to switch to an 11 tooth to get the extra 9% in top speed. But the problem is, even the most expensive (...
3
votes
1
answer
146
views
How can I not break my sprocket next time
My sprocket was doing loud noises and when I looked at it, it looks like this
https://i.sstatic.net/iciYj.jpg
I bought a new sprocket but I want to know, what can I do to avoid these types of ...
10
votes
5
answers
25k
views
How much distance can I put on drivetrain components?
I figure the jockey wheels on my derailer will last nearly forever, but what about the rest: cassette, chainrings, and chain? How many miles, kilometers, or furlongs do they normally last?
I know ...
9
votes
5
answers
133k
views
50/34 vs 52/36 crankset for 11-32 cassette (shimano 105 5800FC)
Following up on this enlightening answer, I would like to know the differences between 50/34(compact), 52/36(mid-compact) and 53/39 (standard).
The cassette I am choosing is 11-32 to give me a wider ...
5
votes
2
answers
503
views
Is the same effort required to maintain a set speed using different sized chainring / cog combinations with same ratio
If I have a bike with the same cranks setup with a 36t (chainring) / 12t (cog) ratio and the same bike setup with a 48t (chainring) / 16t (cog) ratio, would the effort required to maintain a set speed ...
4
votes
1
answer
3k
views
smallest cog of cassette rubbing on seatstay
I built up a NOS late 90s steel frame with a similar era Campagnolo Chorus 9 speed groupset. Has gone well, except the stays/dropouts don't seem to quite like a 9 speed cassette. The second smallest ...
4
votes
2
answers
271
views
Possible to identify sprocket without taking the bike apart?
I would like to change the chain and sprocket on my Centurion Basic 7 speed, as I have read that it is good practice to change the sprocket when changing the chain.
It will be the first time I try ...
4
votes
3
answers
23k
views
Why is my drivetrain so noisy after replacing the chain?
I ride an SE Lager fixed. On the 30th of May this year I did a bit of an overhaul, replacing the rear cog, chain, wheels, tyres and brake pads.
I measured the chain last weekend and discovered that ...
2
votes
1
answer
4k
views
Best Cassette Cog Material
I am replacing my smallest cassette cog for the 3rd time.
I have been using Harris Cyclery's Aluminum Cog
Crupi's Chromoly Cog is about 3 times as expensive. Is that still worth it?
Can anyone ...
2
votes
1
answer
4k
views
Gears jumping/slipping from the rear cogset on a new bike
Its been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano)..
Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and second ...
1
vote
2
answers
7k
views
Will 10 speed cranks work with an 8 speed freewheel?
I'm looking at building a road-bike, and I've just purchased some wheels with campagnolo hubs, with an 8 speed freewheel on the back.
Can I use Campagnolo Daytona / Veloce cranks on the front? I ...
1
vote
3
answers
870
views
I just replaced my cassette, do I need replace the 2 month old chain?
I replaced both my cassette and chain in July (2.5 months ago).
For some reason my chain started skipping when I was in the smallest cog in back. I took it to a shop, they could not find anything ...