Questions tagged [cassette]

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

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What is the source of this sound from my rear wheel/hub?

For the past few rides I've noticed this constant squeeling noise from the rear wheel/hub. Not sure if it just needs a cleaning / grease or if this is a sign of something more serious? At first I ...
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Are equivalent chainring/cog combinations indistinguishable?

Let have these two combinations of chainring/cog. Both for 100 rpm, have almost same speed (and we can of course find cases where the speed matches exactly, but this is a quick example). 50x19-->20....
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7 votes
4 answers
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Guidance to replace cassettes sprockets "individually"

I've seen that sprockets were sold separately (or by "groups/spiders"). Given the small sprockets wear faster than the big ones, it could make sense to replace them at higher interval than ...
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5 votes
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Cassette with more gears on same wheel?

I would like to retrofit an 11-gear cassette onto my bike which currently has a 9-gear cassette. Both cassettes are Shimano, and both are relatively modern. I know I will need a new rear shifter, and ...
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-1 votes
1 answer
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Creaking noise - from the cassette?

I have a creaking noise when I pedal. Pretty sure it's coming from the cassette. I took my bike to the LBS and they said my chain was worn and that I also needed to replace my cassette. Cool, so I ...
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9 votes
2 answers
857 views

10-teeth/9-teeth Sprocket Efficiency Losses

Almost each time 10T (or 9T) sprockets on cassettes are mentioned, there are remarks about efficiency losses when such sprockets are used. But I haven't found quantified information about these claims....
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How can I find out the number of teeth on each cog for cassettes and chain rings?

I am trying to write an algorithm that will give me the number of unique gear ratios given information about chainring(s) and cog pair. To do this though, I believe that I need to know the number of ...
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2 votes
1 answer
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Do I need adjustment if changing to same speed cassette with a wider range of cogs?

I have a Shimano 105 CS-5600 12-27 10-speed cassette. I would like to replace it with a Shimano CS-5700 105 11-28 10-speed cassette for my Wahoo trainer. Will this work? What adjustments might I ...
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8 votes
1 answer
142 views

How can I find the number of bearings in a Shimano MF-Z012 Cluster?

I am repairing an older bike with a Shimano MF-Z012 cluster. with 1/8" ball bearings. Can anyone help with the number of ball bearings for both sides as the cluster has been dis-assemblied and no ...
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2 votes
2 answers
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Using a short cage derailleur: Buying maximum cassette teeth

Hi I know the maximum limit for short cage derailleur is 11-30. So I recently had just changed my chains on a bike shop and I was using a 11-28 cassette before and after I just change the chain. So ...
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5 votes
3 answers
446 views

Improving the Efficiency of a Derailleur: Enlarging the Cassette Sprockets to reduce Friction

For reasons that I have not yet understood, the smallest sprockets with only 11 teeth have prevailed in derailleur cassettes of road bikes, which leads to a very strong deflection of the individual ...
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Shimano CS-HG31 vs HG41 8-speed Cassette

I need to replace my cassette and found out that there are two types that I can get for an 8-speed. I usually replaced the Shimano CS-HG41 by itself. However there is also the Shimano CS-HG31 8-speed ...
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3 votes
2 answers
145 views

Replaced chain and cassette, now new chain slips in a specific gear

I ride a cargo bike (Yuba Spicy Curry) with electric assist that uses an extra-long chain, I believe two spliced together. Not an e-bike specific question, though. 8-speed cassette, one big single ...
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4 votes
5 answers
613 views

Making a 7 spd cassette or freewheel out of a 9 spd (need to save space to fit in dropouts!)

Restoring an old bike with smaller space between the dropouts and want to use it with a "modern" 9 speed XT derailleur. The shifting needs to be fluid so I'm trying to keep "9 speed&...
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5 votes
1 answer
160 views

What kind of Freehub body is this?

What kind of Freehub body is this? It looks like an old Uniglide but the threads go all the way down, and it's very short (as I hope you can tell with the ruler). It's on an unbranded hub attached to ...
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6 votes
1 answer
491 views

Shimano cassette number of teeth

Newbie question here. Currently on my old Tiagra 4500, I have a Shimano HG50 9-speed Cassette, with 11-25T. I need another cassette, as I got a smart trainer, but it is a bit hard to find such a ...
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2 votes
1 answer
116 views

Replaced drivetrain but gears still skipping

I have a Specialized Cirrus Sport hybrid and recently replaced the cassette, chain and chainrings (which were very worn). I replaced my Shimano 9 speed 11-32 cassette with a new Sunrun version (also ...
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2 votes
1 answer
88 views

Does sora cassettes wear faster than 105 cassettes

I don't know if those made of different metal. Do you know if they're made out of a different metal?
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8 votes
2 answers
1k views

Two ill-repair bikes into one?

I have started a new job, cycling roughly 17 miles (or 27 km) each day into work. Previously, it was a very short ride (less than 2 km) into university. I have two bikes that are currently falling ...
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4 votes
3 answers
463 views

Is it possible to swap between CS-R7000 and CS-R8000 cassettes on Trek Émonda SL 5 Disc 2022?

I have new Trek Émonda SL 5 Disc 2022 size 58 which comes with Shimano 105 Groupset and CS-R7000 11-30T cassette. https://www.trekbikes.com/us/en_US/bikes/road-bikes/performance-road-bikes/%C3%A9monda/...
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4 votes
1 answer
151 views

Cassette compatibility question

I am planning to replace the cassette on my bike. Currently it has a Sunrace CSMS1-TAV 10 speed 11-34T. Unfortunately, this exact model seems that is not available anymore but very similar ones are ...
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1 answer
141 views

Why are there multiple chain whip styles when cogs can take out-of-plane forces?

Chain whips on the market can be classified into ones: suitable for 1/8"-wide (fixed-gear) chains, such as Park Tool SR-18.2, suitable for 7, 8, 9, 10, 11?, 12? sprockets, suitable for 7-11 ...
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3 votes
1 answer
171 views

Can I use BSA bottom bracket's plastic spacer as a cassette spacer?

I need to install a 7-speed cassette on a Hyperglide freehub. This cassette is narrower than the freehub's spline height (meant to accommodate 9 and 10-speed cassettes). I also bought an additional ...
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4 votes
2 answers
422 views

Rear Cassette compatibilty

I have a Cannondale Topstone 3 with 9 speed Sora Rear 11-34 Front 46/30 I was wondering if I could fit a 11-36 cassette to help with hill climbing. I'm not at all technical with specs so any advice ...
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6 votes
3 answers
891 views

What to do with a busted freewheel on a vintage road bike?

I have a 1986 Panasonic DX-3000 that I use to commute to work and for casual rides. The freewheel did not survive the winter and the bearing inside it is clearly shot and after changing the chain as ...
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3 votes
2 answers
438 views

What Shimano microspline rear wheel hub would fit my 26in Mavic Cross ride wheels?

Title. I purchased a new Deore 1x12 groupset without realising I would need to change the rear hub to fit the new microspline Shimano introduced a couple of years ago. What would the Shimano rear ...
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2 votes
2 answers
88 views

installing 1x11 gearset on a 1986 Bianchi Strada

I have a 1986/7 Bianchi Strada it is a 2x5 gearset, a SuginoVP 110 crankset and shimano derailers. I want to convert it to be more like a gravel bike so change it to 1x11 or 1x9 gearset with 11-36 ...
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0 votes
1 answer
112 views

Loose Cassette - Any Ideas?

I have a loose cassette but the only the top is loose. I took the wheel off and tightened it but it has made no difference? The top 3 or 4 cogs move freely when I hold the cranks so they don't move. ...
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5 votes
1 answer
85 views

How to fix play in 70's freehub

I have a 70s racing bike equiped with Dura Ace. The cassette was quite wobbly so I dissembled and re-assembled it using new ball bearings & grease.There is still some play left, but to my feeling ...
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2 votes
2 answers
140 views

All gears perfect except the fastest gear that does not work at all, after replacing the 9 speed Shimano Deore XT cassette

I have replaced the Shimano Deore 9 speed cassette into another. Both are 9 speed and the teeth count matches (it is 11). The low gears with the new cassette work great at expected, but the 9th (the ...
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13 votes
8 answers
4k views

Can I convert a 1x9 speed bicycle to single speed by putting 9 identical cogs into cassette?

As the cogs in cassette seem separable, can it be converted into single speed by just putting the 9 identical cogs of the gear you like and retaining the rest of the gear mechanism as it was? Such a ...
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3 votes
1 answer
67 views

Spacing when removing 2nd cog (12t) from Shimano 10 speed cassette

I'm converting a 10 speed Shimano 105, 11-25 cassette from 11-12-13-14-15-17-19-21-23-25 to 11-13-15-16-17-18-19-21-23-25. This gives me kind of a "corn cob" in the middle, with bailouts on ...
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4 votes
1 answer
102 views

Can you pair a 105 10 Speed Cassette with a 10 Speed Tiagra Derailleur?

I was looking for a 10 Speed Tiagra Casette but was not able to find one. A good deal for a 105 10-Speed Casette caught my eye, so I wanted to ask if it would be possible to pair a 10-Speed Derailleur ...
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0 votes
2 answers
161 views

How do I convert a 24-speed bike to a seven speed?

I just recently posted another question about the same bike. This Trek that I am getting is a 24 speed and I want to convert it to a 7 speed so it's better rated for rough trails so I can go with my ...
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2 votes
2 answers
145 views

How to see if my cassette is worn?

I want to know if my cassette is worn. How can I tell as when I change gear it looks like the chain rides ontop of the sprockets rather than connect with them properly. I had to change the chain not ...
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4 votes
1 answer
243 views

9 speed cassette and shifter with an 11 speed derailleur, will it work?

So recently my uncle gave me a Deore M5100 11 speed RD, but my current setup uses an Alivio shifter with a LTWOO A5 elite RD and an 11-46T cassette. While yes the LTWOO RD is designed to handle a 46T ...
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2 votes
2 answers
82 views

Repairing the rear drivetrain of an old road bike (issues with 7 speed)

My 7-speed freewheel (13-21t) needs replacing as it is very worn, yet it won't come off the wheel (it's stuck, the bike shop could not get it off). Since the rear wheel is old, for tubular tyres, and ...
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5 votes
2 answers
451 views

Shimano Cassette Size Change

I recently purchased a wahoo kickr core and I picked up a Shimano Tiagra CS-HG500 11-32t cassette to put on it. Currently I am running an CS-HG500 11-34t cassette and GRX400 setup. Shimano's website ...
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4 votes
2 answers
123 views

One rear cog doesn't shift down

Recently, I have replaced a chain after noticing that the old one gained 0.75-1 percent of elongation. After that everything worked fine, i.e. shifting was consistent and smooth, drivetrain worked ...
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5 votes
3 answers
164 views

New freehub body causing chain slack and ghost pedaling

I have replaced my freehub body like-for-like. Now when I freewheel, the top part of the chain goes slack and the pedals spin when I take my feet off them. This usually occurs on old gunked-up ...
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7 votes
5 answers
2k views

How do I determine if my cassette is worn

I know how to check a chain but how do I check a cassette. Can you visually tell?
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5 votes
2 answers
371 views

What adjustments do I need to make for changing rear cassette?

I have a triban RC 120 road bike. It uses an 11-34 rear cassette (11/13/15/18/21/24/28/34). I purchased an extra 8-speed cassette for use with a direct drive smart trainer I plan on buying. The only ...
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2 votes
1 answer
116 views

Cassette lock ring compatibility

Currently I’m using a 36-11t H092 microshift cassette. If I were to purchase shimano hg400, will my fr5.2 tool be able to use it on this lockring?
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8 votes
2 answers
2k views

Will a 7-speed chain work on a 2x10 speed drivetrain?

Need a new chain for a bike I'm repairing, bike is a 2x10 speed road bike, and I have a spare KMC Z7 7-speed chain. According to KMC, Z7 size is 1/2" x 3/32" The old 10-speed chain is a KMC ...
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4 votes
4 answers
195 views

Shave 1.85mm off to get an 11s road cassette onto a 10s hub

Does anyone have experience removing material to get an 11s road cassette onto a 10s hub? As per the hub standards, the difference between the width of a 10s and 11s freehub body is 1.85mm. The back ...
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1 vote
1 answer
232 views

What issues will I have when combining a RD-4700-GS SHIMANO TIAGRA (Rear Derailleur,Medium Cage,10-spd) with a SHIMANO DEORE 10-Spd, 11-36T Cassette?

I have a RD-4700-GS SHIMANO TIAGRA (Rear Derailleur,Medium Cage,10-speed) and a CS-HG50-10 (SHIMANO DEORE, 10-Speed, 11-36T MTB Cassette Sprocket). However, the RD-4700-GS is compatible with a Low ...
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1 vote
1 answer
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Gear slipping on Cannondale Habit

I have a Habit ebike with 1,700 kms on it. I was having slippage on gears and my bike dealer fitted a new chain and new cable but now it is worse. When looking at the derailleur in the 2nd gear from ...
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4 votes
5 answers
2k views

Shimano Deore XT 9-speed rear derailleur with 9-speed 11-46T cassette?

I have an early 2000's bike with a 3x9 drivetrain. The front is a 22-34-44. The rear derailleur is a Shimano Deore XT RD-M750 and the cassette is a SRAM PowerGlide II 11-34T. I'd like to change to a ...
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4 votes
4 answers
433 views

How do I remove this particular rear cassette?

I'm having a hard time trying to remove this cassette; sheer force isn’t working well, nor leverage, here are some photos: The rear wheel is off an old road bike.
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1 vote
1 answer
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Can I use a Triban RC120 with a TacX direct drive smart trainer?

I have a Triban RC 120 road bike from Decathlon (link). It runs a Microshift 2x8 speed system. I plan on getting a direct drive smart trainer from TacX (TacX Flux). I wanted to know if I can use this ...
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