A cluster of sprockets, commonly 5 to 11 of them, attached to a freehub on the rear wheel.

learn more… | top users | synonyms

2
votes
3answers
2k views

Chain skipping on MTB

I've had my Trek 3900 for about a year now, and I replaced the chain about 3 months ago, but otherwise it's running with the same parts it came with (not counting tubes and tires). I had to replace ...
3
votes
3answers
2k views

Does it matter which cassette I get for downtube friction shifters?

My grandpa gave me his old 1974 Raleigh International (all original Campy) as a graduation present. Since the stock wheels are for tubular tires, and I do want to ride it around town, I want to get ...
7
votes
2answers
7k views

if I replace chainset and chain should I replace back cassette as well?

I am replacing my chainset and chain, as its totaly worn and causing the chain to jump off when I pedal. The cassette is fairly worn too, but is not causing any problems. If I buy a new chain and ...
5
votes
6answers
8k views

7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go?

Sheldon Brown says "Add a 4.5 mm spacer before installing a 7-speed cassette on an 8-, 9-, or 10-speed hub", but doesn't seem to show spacer placement in any picture. My direct experience is that the ...
3
votes
1answer
458 views

Chainring and cassette compatible?

I've got a 20 year old Cannondale mountainbike (model # scratched off long ago). It's been used as a daily commuter for a few years and for a couple long trips. I've been told that the original ...
3
votes
1answer
512 views

Good 9-speed cog configuration for touring and which low-cost quality cassettes?

Alert: this cassette conf cannot be used in all touring locations because of poor support. I use it only in 1st world countries. The largest cog at the back is about 12-14cm. The length from ...
11
votes
1answer
951 views

Do I need to change my cassette if I can't see any wear?

I bought a new road bike with Campag Athena 11 speed in March last year. To the end of Jan it had covered 9000km. In all that time I hadn't changed the chain because I don't have the Campag tool, and ...
6
votes
4answers
5k 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
7answers
12k views

What range of sprockets is useful in a road bike cassette?

My road bike currently has a 27/39/53 crankset and a 13-26 cassette, both of which need to be replaced. I occasionally find myself in both extremes—while heading up the very steep hills of the Bay ...