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

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0
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3answers
237 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 ...
8
votes
3answers
5k views

What is the meaning of 11-32 cassette and 12-25 cassette?

I'am going to buy 2015 shimano 105 groupset and i have 2 options in choosing the cassette the first is 11-32 and the second is 12-25 and i don't know what is the meaning of each and which one would be ...
1
vote
1answer
97 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 ...
1
vote
3answers
2k views

Replaced chain, bike makes grinding noise?

Recently, I started going to a community bike shop to learn how to maintain and service my own bike. Ever since I changed the old, worn-out chain to a new chain with a master link, I've been ...
1
vote
1answer
183 views

7 to 11 cassette upgrade or new bike

I've recently purchased a 1986 Schwinn Passage. Everything works great, but I'd like to upgrade to STI shifters and the Cassette. I've found a great deal on a groupset, Shimano 105 5800 11 Speed. My ...
0
votes
1answer
994 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 ...
0
votes
2answers
605 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 ...
2
votes
1answer
631 views

youth racing. 11 speed 16 up cassette

I have been looking around and I cannot find anywhere that sells a cassette with a 16t top gear that is shimano 11 speed compatible. Junior racing requires gear limits and I was hoping to find ...
4
votes
3answers
17k views

Can I fit a cassette with a larger range with my Shimano Tiagra 10-speed ( GS-4600) derailleur?

I'm currently running a 2x10 shimano tiagra 10-speed drivetrain with a 50/34 compact crankset, a 12-30 rear cassette, and a Shimano Tiagra GS-4600 derailleur (that's medium cage aka road long cage) on ...
1
vote
3answers
292 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 ...
8
votes
2answers
10k views

What is the purpose of the plastic disk between the cassette and the rear wheel?

There's a plastic disc between the cassette and rear wheel on my bicycle. It doesn't seem to have any effect on the actual drivetrain; but I've seen it on a number of bicycles. What is it for?
6
votes
1answer
7k views

Upgrading wheels on a vintage Peugeot Frame

OK so I have a Peugeot Galibier bike that consists of a Reynolds 301 steel frame. A while back the original derailer gave up the ghost while riding, bending the rear-wheel spokes in the process. I ...
0
votes
1answer
892 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 ...
2
votes
1answer
255 views

New Chain and Cassette - If I am not racing does it matter?

I need to replace my chain and cassette and I am not sure what "level" I need to pick? I have SRAM RED and have never replaced my cassette or chain (Two years) I had brought my bike in for a tune up ...
1
vote
3answers
249 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 ...
3
votes
1answer
200 views

Misadjusted B-screw: symptoms?

What are the typical symptoms of incorrectly adjusted B-screw in the rear derailleur? How does it manifest itself when shifting? Obviously, if the cage pulley interferes with the cog, the problem is ...
1
vote
1answer
255 views

Chain Noise I identified the problem, don't know how to solve it (chain/cassette?)

I bought a bike, second hand, yesterday. The bike looks quite new and it is ok, but I notice that with some gear I got a clicking noise. After inspecting the bike, I notice that the chain does not ...
5
votes
2answers
1k views

How to prevent freehub body damage?

I feel like this is poor design. I have two wheelsets that are less than a year old which have damaged freehub bodys due to cogs digging in to the splines on the freehub. It's so bad that I can't ...
3
votes
4answers
300 views

2,600km on an 8 speed bike?

I am about to go off on a 2,600km tour from Austia through Italy, finish in Malta. I originally planned to do this solo trip on my Giant Trance x2 full suspension but decided not to since it is too ...
3
votes
4answers
1k views

Bike gears not shifting how they should

So I've not cycled in a while but my step dad was using my bike and he has a habbit of breaking stuff. I have since decided to start cycling to work again and I replaced various parts due to rust etc ...
2
votes
2answers
206 views

Larger cassette options on a compact set up?

I've been thinking of getting a larger cassette for my bike to tackle hills better, and I'm just looking for some thoughts. I have a 2011 Honky Tonk ...
-1
votes
1answer
2k 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 ...
2
votes
1answer
317 views

Can I use a Suntour Cyclone GT Rear Derailleur for a 10 speed Campagnolo cassette?

I'm building up a road bike and have a wheelset with a rear hub that has a Campagnolo Chorus 10 speed cassette. The front derailleur will be a triple and I'm looking into the possibility of using a ...
7
votes
4answers
363 views

What's the point in a freewheel/cassette with incrementally sized rings?

Pictured is a freewheel with 15, 16, 17, 18, 19, and 20 tooth sprockets. What I don't understand is why such small increments are worthwhile. Surely the point of having gears is the variance that they ...
1
vote
3answers
397 views

How to get a lower gearing

My trusty old CF racer was stolen the other day, and I'm looking for a replacement. I saw this bike at PlanetX and was intrigued. It's a full carbon bike with (last years) Ultegra components for a ...
5
votes
1answer
1k views

How can I tell if my bike has a freewheel or a cassette?

I bought a Frankenbike off Craigslist. It's a Specialized Rockhopper of unknown year, converted to a commuter, with shocks up front and V-brakes. I love this weird little bike and want to put a ...
1
vote
3answers
614 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 ...
1
vote
1answer
739 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 ...
3
votes
2answers
2k views

Mounting a 7-Speed Cassette on an 8/9 speed hub

I asked an earlier question regarding putting modern road wheels on my old steel frame. After clarifying a few things the main issue to me is the number of gears on the freehub. (The freehub I'm ...
0
votes
1answer
216 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 ...
1
vote
1answer
203 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 ...
0
votes
1answer
812 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?
0
votes
1answer
581 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. ...
2
votes
2answers
118 views

Direction of chain whip

Is there an easy way of working out which way round to apply a chain whip to a cassette for its removal? I've taken plenty of them off in my time but always end up having a couple of tries at it ...
4
votes
5answers
1k views

Transmission (cassette/crankset) considerations for 1st road bike purchase

I currently have a touring bike, with fenders, rack, panniers, and so on. I currently run a triple crankset 28/38/48 and 9sp 11-34 cassette. I mostly commute and tour with this bike. And with a fair ...
4
votes
2answers
3k views

Is it practical to replace two sprockets on a cassette?

My bike has 53/39T chainrings and a cassette with 12,13,14,15,17,19,21,23,25 sprockets, but I like to ride up steep mountain roads. Is it possible (without great expense) to replace two sprockets to ...
1
vote
1answer
243 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 ...
1
vote
1answer
191 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 ...
0
votes
2answers
146 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 ...
1
vote
1answer
340 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 ...
5
votes
4answers
3k views

Can I increase my highest gear ratio?

I have a modern bike (ridgeback meteor '13) and It currently has a 21 speed shimano chainset. I find that going down hills (which I do a lot) and on flats I need a higher gear. Can I do anything to ...
1
vote
2answers
1k 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 ...
23
votes
11answers
67k views

Why would one ever buy a 12-25 cassette when an 11-25 is available?

I was looking at purchasing some Sram Rival components. Looking at the available cassettes, there is a big variety of sizes available: 11-23: 11-12-13-14-15-16-17-19-21-23 11-25: ...
3
votes
1answer
705 views

What is the widest range 9 speed cassette?

My commuter rig is an old trek mountain bike that I've converted to fixed gear with an ENO hub/crankset. I am thinking about going geared for the winter. I have a rear wheel that I built last year ...
1
vote
3answers
692 views

Chain really quite stretched, should I change cassette at the same time?

I measured my chain last night - 10 links were 25.8-25.9 cm. So I ordered a new one, tools and spare link pins (Shimano 8-speed HG). I'm thinking this amount of wear might explain why my least ...
1
vote
2answers
847 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 ...
5
votes
2answers
278 views

Help with cassette, worn or not?

I have done exactly 2879 km on my cassette, and currently I got myself a new chain which is a third for this cassette. With first chain I made 1985km, but I already noticed a significant degradation ...
1
vote
1answer
131 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. ...
2
votes
1answer
260 views

Cube bike cassette wobble

Recently I have bought a used 2012 Cube CLS LTD PRO hybrid bike in a good condition . The only thing was the rear cassette a little wobbling. I asked a mechanic about this and he told that almost ...
9
votes
7answers
14k 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 ...