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

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3k views

What do I need to know about fitting new wheels on a bike?

My girlfriend has had the wheels stolen from her bike. I'd like to replace them, but we're working with a limited budget so I'm going to do the work myself and source the parts second hand. I've done ...
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4answers
6k views

Rust on chain and cassette

It looks like rust on my chain and cassette. Both were new 5 months (4000 km) ago. The chain is about 60% worn/stretched. I've been riding 5 days/week, 40 km/day, Toronto on mild winter roads, and ...
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3answers
334 views

FSA Compact 50/34 Need better climbing

I have a FSA compact crank 50/34 with a 9-speed 12-27 cassette. I need better climbing ability for steep grades, not concerned with flat top speed. What should I do? What is the largest size cassette ...
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1answer
522 views

What Changed with Shimano Hyperglide-C?

Shimano's HyperGlide-C (11-speed), are the hubs backwards compatible? Can I put an 8/9/10-speed cassette on a Hyperglide-C hub? Can I put a Hyperglide-C cassette on a Hyperglide hub?
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1answer
51 views

Upgrading From Shimano 8 Sp Alivio To Shimano 9 Sp Altus

I have an old giant warp D's 2 bike that's about 10 years old. I've maintained it and it still rides good and looks just as good. I wanted to upgrade from the old alivio 8 speed drivetrain to either a ...
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1answer
348 views

Changing cassette from 8 to 10 or 11 to meet the Shimano 105 5800 groupset

I upgraded following parts to Shimano 5800 (front and rear derailleurs, crankset, chain, STI shifters). The last thing left to replace is 8 speed Shimano CS-HG51 cassette. Unfortunately I cannot index ...
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3answers
137 views

Can't remove lockring

Have been trying to get the lockring removed from my cassette so I can replace it with a spacer kit and one sprocket (singlespeed conversion). I managed to get it loose, although the wrong way - so ...
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2answers
2k views

Can I change my 7-speed rear derailleur to an 8-speed?

I bought a 2013 Cannondale Quick 6 Hybrid for my daily commute almost exactly a year ago, and I'm looking to give it some upgrades. It currently has a 7-speed Shimano Altus derailleur, and I was ...
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1answer
167 views

Triple chainset to single chainset; BB compatability?

I'd like to upgrade the chainset on my GT Avalanche 1.0 2013 so I have no front mech or shifter and just one ring on the front; just 10 gears instead of 30. My current chainset is a Shimano M522 ...
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1answer
442 views

shimano 14-34t megarange casette not shifting to first gear

I bought a new deraluier and it wont shift to the first aka largest aka closest to the wheel / dropouts gear its about two inches too high. So it (the deraulier) knocks into the largest easiest cog. ...
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1answer
708 views

KMC Z8S IG or HG compatibility

I have bought a KMC Z8S chain , but it slides over the rear cassette . The model of the cassette is Shimano CS-HG30-81 , it is not worn yet , and the chain length is also perfectly calculated . The ...
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2answers
123 views

Sliding chain over the cassette [duplicate]

Today I have replaced my chain with a kmc z8s. The rear cassette is Shimano acera 8 speed , and is not worn yet , so everything is OK with the cassette. But the problem is that the chain doesn't fit ...
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2answers
3k views

I need help on how to make my bike faster [closed]

Hi Just wanted to ask how to make my bike faster. Do I change the front chainring to a larger one, if so do I have to get a whole new drive train or can I just get another shimano large ring. Can I ...
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2answers
262 views

How to recognise a 6-speed freewheel compatible hub?

I need to change the freewheel and the hub on my road bike and have been looking for a suitable replacement. I wish to keep my rim so I will rebuild the wheel. Also, I want to stay with a 6 speed ...
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2answers
95 views

Freewheels frequency in 2012?

I would like to know for some future works on my bike whether I have a freewheel or a cassette? I will look at the bike in itself, but just for a little heads-up: my bike is a 2012 FX 7.2 (Trek). In ...
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1answer
1k views

Specific 10 speed chain models that work well on 9 speed Shimano rear drivetrains

I maintain several 9-speed (rear cassette) road bikes (Giant OCR 1/2/3, Tiagra and 105 from 2000-ish era) and one 10-speed rear cassette 105 road bike, made in 2007. I'm trying to find out if I can ...