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

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1answer
104 views

SRAM Cassette on Campy Wheels

I wrecked my current wheel set in a crash and am considering purchasing a set of Campy Hyperons from a friend. AFAIK the wheels are stock and haven't been tweaked in any way. I would like to know if ...
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5answers
221 views

Giant Cypress Upgrade

I have very little knowledge when it comes to bicycles and how they work. With that being said, I have a Giant Cypress Hybrid. It is a great bike for the most part. I'm looking to get a little more ...
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3answers
325 views

Suitable rear mech for Megarange cassettes

I just bought an 11-34T 8 speed rear cassette and noticed that it is a Megarange cassette with a substantially large jump between the lowest and 2nd gears. Will this work with my existing Alivio ...
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1answer
826 views

9 speed cassette and 7 speed shifter

So I bought a new (used) wheel set for my mountain bike and it came with a 9-speed cassette. I currently have 3x7 rapid shifters, which presents an incompatibility. I'm wondering how to fix this ...
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2answers
2k views

Chain “vibrates” on higher gears

My freewheel that I have installed myself only 1.5 years ago has totally worn out by the moment and so I just had it replaced along with a chain at the workshop. I'm still concerned though about the ...
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2answers
130 views

SRAM compatible 11 speed 12-25 cassette?

I'm looking for an 11 speed 12-25 cassette compatible with a SRAM drivetrain, however I don't think SRAM makes one. They list specs for their 11 speed cassettes as follows: 11-25: ...
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1answer
150 views

Should I switch to a 13-23T or 12-25T cassette?

I am currently riding a Fuji Sportif 1.5 with original configuration. I am not using clipless pedals currently. The bike come with 50/34T chainrings and a 9-speed 11-32T cassette. I noticed that most ...
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3answers
275 views

Is the plastic piece between the seven gear sprocket and the spokes hard to replace, and how?

I was given a 21 gear mountain bike as payment for some work I did for a neighbor which had been in his backyard for about a year. Though it cleaned up very well there is one part I would love to ...
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1answer
224 views

When I press on pedal, intermittent loss of power

Recently, when I cycled my bike the pedals would jump when I pushed down on them. I brought it to a shop who replaced the cassette, the chain, the two crank arms and probably the crankset. I have also ...
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1answer
140 views

Odd Sound Coming from my new Cassette

I had a new Shimano 105 cassette and chain put on my bike by bike shop. When I exceed 25 mph without pedaling, I get loud screeching sound (and feel some gripping), when I pedal it clearly goes away. ...
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1answer
2k views

Mixing 9-speed Tiagra and 9-speed Deore XT

I currently have a road bike with the following setup for the gears: 9-speed Tiagra front and rear derailleurs, Sora shifters, all from 2009: 30/39/52 Crankset 11-25 Cassette. I need some more low ...
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4answers
8k 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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1answer
37 views

Motobecome Mirage (I think) made in France

I am trying to put this bike back into use. The cassette is not freewheeling. Does that mean that the cassette is locked up, or do some bikes not have a freewheeling cassette? If it is locked, will ...
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2answers
2k views

Can a 7 speed Derailleur work on a 8 speed cassette

Can a 7 speed Derailleur work on a 8 speed cassette I have a extra 8 speed shifters? and a wheel that has a 8 speed cassette.
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3answers
333 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 ...
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2answers
1k 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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3answers
756 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
307 views

7-speed cassette on an 11-speed freehub

Is it possible to use an SRAM cassette PG 730 7-speed cassette with a Mavic FTS-X freehub? According to the spec, no spacer is required for an 11-speed cassette and for 9/10 speed version a spacer is ...
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1answer
1k views

Is an Acera cassette compatible with an 8-speed Deore rear derailleur?

Is this Shimano Acera 8-speed cassette and chain compatible with a Shimano Deore 8-speed rear derailleur on my mountain bike?
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2answers
3k views

Cassette HG 51, which chain?

I need to replace my cassette (Shimano HG30 8speed 11-32) and chain (KMC Z7) that is currently on my bike (pinnacle Aura), however these parts are now discontiuned and I need to find the replacments. ...
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2answers
15k views

Difference between Shimano HG51 8-Speed Cassette and Shimano HG50 8-Speed Cassette

Can anyone tell me the difference between Shimano HG51 and HG50 8-Speed Cassettes? I can't find any information online about this so was hoping someone might be able to help me. I am looking to ...
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3answers
1k views

Replace 7 speed 14-34 cassette

I want to replace my cassette which is 7 speed 14-34 shimano. The problem is I can't find exactly the same one. All I saw its 13-34 or 14-32 cassettes. So the question is: It is possible to replace my ...
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1answer
111 views

If I use an 8 speed bar end shifter with the TT bar on my Allez, will I need to change any other parts of the drive chain?

My current bicycle is a 2013 Specialized Allez C2. It has an 8 speed rear cassette. I'd like to put in a TT handlebar. It's a given that I'll have to change the brake levers, as well as the shifters ...
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1answer
257 views

if you replace the front gear system do you need to replace both the rear casette and the rear derailuer or neither

I've been given an old bike from the road which has gears where you can't tell what gear the lever is in (there is no number) just a lever in one of three positions or seven for the back). I am ...
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1answer
413 views

Can I change the rear cassette on a folding bike?

I currently have a folding bike (think Dahon like) with 20" wheels and a front chainring of 52T and a rear cassette of 14-24T. Although 14 provides me with good speed I'd love to get faster speed for ...
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2answers
933 views

Upgrade my Rear Cassette from 12/25t to 11/28t

I have a Specialized Secteur 8-speed road bike with a Shimano HG850 12/25t rear cassette running on a KMX Z type narrow chain my crankset is a 52/42/30, I have done about 2,000 miles so it's probably ...
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2answers
2k views

Why does the rear hub (cassette) moves on the axle when I pedal?

I am new to this website. I am also new to the terms, and names related to bicycle components. I have a bicycle called a Burner SuperCycle. I went to the repair shop twice in the last year because ...
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1answer
195 views

Rear derailleur speed number interchangability

I have a bike with an 8-speed cassette and would like to switch to 9-speed cassette. Can I keep my rear derailleur? which is a Shimano Alivio one? I understand the indexing might mess up this, but I ...
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1answer
168 views

How is the quality of alloy sprocket 10 speed sprocket?

I saw at ebay, 10 speed cassette compatible with shimano, it's very light 103 grams, but the material is alloy with ceramic coated, it says, the cassette can be used up to 3000K, is it true? or may be ...
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2answers
117 views

Hypothetical 1x10 simplification to 1x3 or 1x5

This is a hypothetical question that will help viewers (including myself) better understand gears and their limitations. Suppose someone sees a bike they like at a local bikeshop and it just happens ...
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4answers
72 views

Shimano Ultegra 6800…what do I need?

I'm gearing up for my first bike tour. I have an old motobecane cross bike, I think it's a 2007. I need more granny gears. Right now I have a 9 speed 12-26. I'm looking into the Shimano Ultegra ...
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3answers
166 views

Is my cassette or chain worn out?

I bought this road bike as my first road bike in 2011. I have not changed the chain or any parts on it since then and I bike on it almost daily. It's been running great, but sometimes I have trouble ...
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1answer
1k views

How To Choose A Proper Sprocket Combination For A Road Bike Cassette?

I guess you have to have at least a couple of cassettes in your arsenal for different occasions. Can anyone please advise on how to choose a proper cassette depending on a trip. What can influence the ...
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3answers
10k 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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1answer
73 views

Changing the entire chain gear mechanism

I have a Lapierre shaper 100. I am looking to change my entire chain mechanism as some of these parts need to be changed. I have selected my components, and I am hoping you can tell me if these ...
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2answers
66 views

Sora 9 Speed on Campagnolo Cassette

I have a wheelset with a Campagnolo cassette body. I want to run Sora 9-speed brifters with my wheelset. Will this work? I believe that it will because according to the information posted on ...
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3answers
139 views

Rear cassette 'ticking' forward, making chain catch, what is the problem and how do I solve it?

I have a Giant Rapid 4, bought in 2009. When freewheeling (i.e. rolling forward but not pedalling) on my bicycle, the chain catches. I had a look and I think this is because the rear cassette ...
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2answers
105 views

I have a Schwinn Tempo which has a 6 speed freewheel

I'd like to replace my rear wheel because it isn't able to be fixed to be made true once again. The bike is an older Schwinn Tempo, the rear wheelset has a 6 speed freewheel. Or so that's what the guy ...
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1answer
285 views

Can i fit a 6 speed wheel onto a 5 speed bike?

I have a 5-speed bike with a buckled back wheel. I have found one on the internet cheap, but it is a 6-speed wheel. Will it fit my bike? Will there be any adaptations needed to the bike to use this ...
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2answers
1k views

Why does my chain slip off the chainring when cruising or back pedalling?

My bike is a little more then a year old (although I do put a lot of miles on it, about 12 miles a day), this problem seems to have started about a week ago. It's a 7 speed Avilon Next (a cheap brand ...
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2answers
28 views

Grinding sound from rear wheel

I am getting a grinding noise from the rear wheel which has got louder and is causing increasing resistance over the last few weeks (I live in the Netherlands so cycle every day). The cassette has ...
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1answer
161 views

MTB Cassettes- are they universal to wheels

Are cassettes all standard as fare as fit on the wheel? For example, can I can swap out a new Shimano for my old SRAM without looking at specifications for fit?
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1answer
104 views

Do I need to replace 10 speed chain if using a bigger cluster, also 10 speed?

Most similar questions are asking about using the same chain with a bigger cluster with more gears (10 speed chain vs 11 speed cluster). My concern is being able to simply buy a higher gear ratio ...
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1answer
1k 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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2answers
107 views

Cassette & Crank combo for commuting

Okay so I've been reading about gear ratios and what not all morning and I can't make any sense of it. Some of it is registering but it's still kind of over my head. I'm ordering a Tiagra group set ...
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1answer
200 views

Chain slipping in cassette when under load, could a different type of cassette work better?

This is my second modern bike and I got the same problem each time. The chain slips when under load (usually when I'm standing, but I can slip starting at a light and still sitting too). At first I ...
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1answer
165 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
3k 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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2answers
5k 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
254 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 ...