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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20
votes
4answers
103k views

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

I'm willing to buy a 2015 Shimano 105 groupset and i have got 2 options in choosing the cassette, the first is 11-32 and the other is 12-25. I have no idea what these numbers indicate and which one ...
4
votes
2answers
265 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 ...
1
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2answers
65 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 ...
3
votes
2answers
89 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 ...
25
votes
3answers
102k 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?
4
votes
3answers
93 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 ...
3
votes
3answers
4k views

Can I use a 7 speed shifter on an 8 speed cassette

I am currently upgrading my mountain bike and have bought a set of wheels that accepts 8,9,10 speed cassettes but my previous wheels used a 7 speed freewheel. If i install the new wheels with an 8 ...
2
votes
3answers
958 views

SRAM Eagle XX1 Cassette creaking under torque, only after warming up

This happens after riding the bike for about an hour. I've replaced free hub, greased/torqued the cassette interface several times, etc. These videos show what I'm up against. Update: after more ...
2
votes
3answers
7k views

Are all Shimano 10 speed cassettes compatible with each other?

I am trying to buy a cassette for my new incoming carbon wheels so that I just switch them with my current wheeyl whenever I need to race/crit without the need to retune the shifter and derailleur. I ...
1
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2answers
76 views

Replacement parts for old Giant CRS 4.0

I'm looking at replacing the cassette and chainrings on an old Giant CRS 4.0 bought way back in around 2009 (I think) and trying to find compatible (and still available) parts. Its parts are listed as ...
6
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5answers
1k 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?
4
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2answers
312 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 ...
0
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4answers
8k views

Can I change from short to long derailleur to increase cog size

I am have a tiagra 11-25 10 speed cassette with short cage. I am a poor climber and looking for extra gear; I would like to go 11-32 for this year until my climbing improves, will the short cage ...
1
vote
1answer
66 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?
7
votes
2answers
1k 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 ...
3
votes
4answers
128 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 ...
0
votes
1answer
86 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 ...
3
votes
3answers
29k 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 ...
0
votes
1answer
72 views

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 ...
7
votes
2answers
8k views

What's the difference between Shimano HG and SRAM XD free hubs?

I know that the Shimano free hub is pretty common. I think it's called HyperGlide (HG). But now I heard that SRAM has a free hub called XD. What is this? What is the difference? When do I need it? Can ...
2
votes
5answers
327 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 ...
3
votes
4answers
364 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.
0
votes
1answer
56 views

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 ...
3
votes
1answer
415 views

Swapping Ultegra cassette 11-34 for 11-28: spacers?

Swapped the original 11-34 HG800 cassette for the 11-28 R8000 on a Giant SR1 wheel. When taking off the 11-34 I noticed there was an initial spacer mounted on the freehub body. I took it all off then ...
18
votes
7answers
24k 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 ...
1
vote
1answer
71 views

Problems upshifting with 105 5700 derailleur w/ Roadlink

I found a similar question here but no practical answers, wondering if anyone has encountered anything like this. I have a 105 5700 long cage rear derailleur with Roadlink extender installed and an 11-...
1
vote
1answer
71 views

Are the HG-50 and the HG-81 Shimano cassettes interchangeable?

I run two different eMTBs - a hardtail KTM Macina Action (2014), and a full-sus Scott E-Genius 730 (2017). In rear cassette terms, the bikes were supplied with a Shimano HG-50 and a Shimano HG-81 ...
2
votes
1answer
94 views

If my max cog is 50t and I got a 52t cog

Hello I just bought a ltwoo groupset on ebay because I want to go cheap for my first ride since I'm not sure if I will be riding a lot. I went on the ltwoo website later on and found on that their max ...
0
votes
0answers
32 views

Expand range on xt FC-M5100-2 cranks

I am wanting to convert Giant toughroad SLR from 2x10 to Di2 2x11. It has a QR 135MM rear axle and am told it should accept a shimano 11sp cluster, say the CS-M8000 11 46t The xt cranks are 26 36 ...
1
vote
2answers
7k views

Is Ultegra 6800 GS compatible with an HG800 11 speed 11-34 cassette?

I'm running Ultegra 6800 with a 52-34 chainring up front (not a typo: I replaced the 36 with a 34), and a 6800 GS (medium cage) derailleur at the back, and a 12-29 rear cassette. It works well. ...
-2
votes
1answer
87 views

Why doesn't the cassette rotate when I backpedal?

I have an old bicycle where backpedaling causes the cassette to not rotate. Instead, the cassette stays still and the rear derailleur bends, providing new chain to go around the backpedaled chainring. ...
2
votes
0answers
61 views

New hub slipping when powering up?

I recently had my Giant Propel SLR serviced (including new chain, Cassette and a new Hub) as gears were beginning to slip. However after the service when I climb into top / hardest gear and put the ...
2
votes
1answer
339 views

What is the maximum cassette teeth for my mt210 3x9 crankset (44/32/22)

I'm currently assembling a bike. I bought a Shimano mt210 3x9 (44/32/22) crankset. I'm wondering what maximum teeth cassette should I buy that will be suitable and compatible with this crankset? Also ...
13
votes
3answers
618 views

Why are cassettes replaced more often than front chainrings and derailleur jockey wheels?

On a bike there are three kinds sprockets that the chain comes into contact with: the chainrings, cassette, and derailleur jockey wheels. It seems that the standard practice is to replace the cassette ...
1
vote
1answer
117 views

Upgrading gearing help, currently running a 1x9 with a 30t crankset and 11/36t cassette. Can I upgrade to a 11-42t cassette?

I have a 1x9 that I really dislike and want to upgrade. I was told to get a "Shimano Deore FC-M625 Double 2x10 Speed MTB Bike Crankset 38/24T" to upgrade my 1x. I additionally caught a ...
3
votes
3answers
155 views

Changing cassettes for hills

I currently have a 52-42 front chain ring and a 12-25 cassette on a short cage derailleur,would i be able to change to a 11-34 without any changes to my bike.
1
vote
1answer
46 views

How to properly tighten "internal" nut on the rear axis?

This is basically a follow-up of my previous question. I am talking about the nut between the frame and the cassette (see attached image). In other words not the "external nut" which fixes ...
1
vote
1answer
80 views

9 Speed Shimano cassette on 10+ speed hub

I've got a 2010 Specialized Tricross with a mostly original drivetrain and wheels. Notably for this question: Front derailleur: Shimano Tiagra Rear derailleur: Shimano Deore LX Chainset: Shimano ...
2
votes
1answer
157 views

Any history on Viscount bicycles?

I managed to pick this Viscount bicycle up from my local scrapyard along with a 1987 women’s BSA bicycle. Both of these bicycles work. The Viscount has a sticker on it saying triple champion 1981 so I ...
0
votes
1answer
53 views

Help determining how many cogs an unlabeled freehub wheel can take

Im replacing my freewheel rear wheel with a freehub one. The wheel that i've found doesn't say anything about how many cogs it can take. It just says that its '26 inches. I want to install a 9 speed ...
1
vote
1answer
127 views

Will a shimano acera rear derailleur work with a shimano altus cassete?

Got sick of breaking rear axles. Im going to convert to a freehub. Currently i have a shimano acera 9 speed rear derailleur. I found a shimano altus cassete which has a huge 36 tooth sprocket which is ...
2
votes
1answer
61 views

13-34 "custom" cassette on Claris. Will these parts play nicely?

I ride a 2019 Salsa Journeyman. I have Claris 2x8. front is a 46/30 FSA chainset, rear is an 11-34 Sunrace 8-speed cassette [11,13,15,18,21,24,28,34]. I want to pickup a Miche 13t first position cog ...
3
votes
1answer
494 views

Rear cassette Identification

Can anyone identify this type of hub? I need to replace the cassette, but I cant find anything that matches the cassette or hub. Its from a Schwinn Traverse 26". Thanks
7
votes
1answer
962 views

Derailleur can't shift to 51-T sprocket. Deore CS-M5100 + RD-M5100

ISSUE: When attempting to shift to the largest cassette sprocket, the side of the derailleur cage contacts the 51t sprocket, so the chain is not able to go up the gear. WHAT I DID: My drivetrain was ...
2
votes
2answers
91 views

Drive chain swap clarifications

Been thinking about upgrading my drive train, however, I'm not sure if I've fully understood the compatibility part and wanted to get some more clarifications. Currently have an Advent X (10spd) and ...
3
votes
2answers
209 views

Is my cassette made of steel?

I want to know when to change my chain: I purchased the following item: It has two sides: 0,75 % --> for aluminium Cassette 1 % --> for steel cassette (according to https://de.wikipedia.org/...
1
vote
1answer
104 views

When turning cranks backwards, cassette locks up

When I turn my pedals/ cranks the other way, my cassette keeps locking up causing my chain to slacken and I don’t know what’s wrong with it?
1
vote
1answer
60 views

Does bike geometry or wheel affect maximum cog size?

I got a used Cannondale Super X 105 during the winter and when I was getting it ready for the summer, I couldn't index the rear derailleur properly. It wouldn't shift to the largest cog and shifting ...
1
vote
2answers
68 views

Campagnolo Veloce compatibility - small rear derailleur with larger (29 or larger) cassette?

I recently bought myself a second-hand Condor Fratello. It is fitted with Campy Veloce (mix) groupset, currently with a 12-25 cassette. I'm coming from riding a 105 (11-32 cassette) for years, and ...
5
votes
2answers
2k views

Lockring spacer Shimano cassette

I recently purchased and am now installing a 9 speed Deore XT cassette sprocket (CS-M770) on a Specialized Stumpjumper FSR XC. It's replacing a CS-HG50-9, and is mounted on a Shimano rear hub (FH-M525)...

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