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

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1answer
148 views

Will a newer Shimano series cassette be easily interchangeable?

I'm trying to create two wheelsets that I can quickly swap out on the same bike for different conditions. My existing set has a Shimano 105 5800 series 11 speed cassette. They discontinued that so ...
0
votes
2answers
34 views

Acera rear derailleur / freewheel compatibility

I'm looking at buying an e-bike conversion kit with a rear geared hub motor that requires a freewheel. On my current bicycle, I've an 8 sprocket cassette (Shimano HG CS-HG41-8an) and my rear ...
1
vote
3answers
320 views

Shimano 105 upgrade

I inherited an interesting Curloo Tri bike, I believe built in the late 90’s. It has a Shimano 105 group set but the cassette is only a close ratio 9 speed. Can I upgrade to a 10 or 11 speed cassette ...
0
votes
1answer
29 views

Freewheel vs cassette geared hub motors serviceability

With ebike conversion kits there appears to be 2 types of rear hub motors: the ones that accept a cassette and a freewheel (see the image below from this aliexpress item) Is the freewheel option more ...
1
vote
1answer
30 views

Park Tool FR-5.2 fits Shimano CS-HG50 8 speed road cassette?

Am I correct in saying that the Park Tool FR-5.2 cassette lockring tool is the correct tool to use on a Shimano CS-HG50 8 speed road cassette?
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2answers
34 views

Ultegra 2X cranks with M8000 group and 11-42t cassette?

Will an Ultegra 50/34 front crankset work with a Shimano XT M8000 Shadow+ 11 Speed Rear derailleur and 11-42t cassette?
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1answer
45 views

Changing a cassette and adjustments after

I just changed my cassette from a 32 to a 34. All is good but on the big sprocket in the front it will not change properly on the big sprocket on the rear. On the small sprocket on the front it will ...
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votes
1answer
48 views

Shimano 9 speed road hub compatible with XT 11 speed cassette

I am looking to upgrade my drivetrain, essentially moving from road (Ultegra and 105) to XT mountain. I'd like to avoid replacing my rear wheel if possible though. I've read conflicting things about ...
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vote
3answers
73 views

Dura Ace 7700 (with American Classic RD205 rear hub) Broke Shifter. Upgrade Options

I’m currently putting quite a lot of miles on an older Canyon F10 carbon bike equipped with Dura Ace 7700 shifters, derailleurs and brakes. My wheels are American Classics with a newer RD205 hub, ...
9
votes
2answers
166 views

Rear derailleur cage hits largest cog on cassette

I got a new rear derailleur for my wife's bike after a stick turned the original one into a twisted mess of metal. The derailleur is a Shimano Acera, the cage is slightly longer than the original. ...
4
votes
6answers
3k views

New roadbike. Poor cassette quality control?

I've just bought a new ROSE PRO SL 105 roadbike and took it for a spin. At first, i noticed a little clicking sound in the rear cassette. I thought that it only might need some time for the chain to ...
0
votes
1answer
50 views

Shifter/brake-lever compatibility with front and rear derailleurs

I am currently converting my bike from flat bars to drop bars for a long touring cycle. I used to have Shimano SL310 shifters (8x3), but have now bought Shimano Sora ST-3300 (8x3) to mount on the drop ...
2
votes
3answers
166 views

How long can I safely use a chain for?

My chain is well over the 0.75% extension at which I would normally replace it. However, the cassette and chainrings are also old enough that a new chain would slip on them, so they would also need ...
0
votes
1answer
38 views

Difference between drivetrains

I have a 3x10 speed MTB. Will it be a upgrade or a downgrade to move towards a 1x10 and will I be able to easily ride above 60km per hour as I can with the 3rd gear in front?
0
votes
1answer
54 views

Widely available cassette cogs: recommendations?

I'm trying to determine what are the most widely used/available cassettes and corresponding cogs. I don't care much whether they are high-end components or low, though I expect the low-end ones to be ...
2
votes
3answers
80 views

How to compare an IGH (Shimano Alfine 11) with a 10 speed cassette and 3x chainwheel?

I'm try to compare the gear ratio of a IGH (Shimano Alfine 11) with a 10 speed cassette + 3 chainring setup. I read Sheldon Brown's gain ratio definition. I went to Sheldon Brown's gear ...
0
votes
3answers
100 views

Can I fit a bigger cassette just by changing the hub and not getting a new wheel?

I have an old 29er that came with a 7 speed shimano tourney groupset, can I replace that with a 9-10 speed new set, just by getting new hubs? or the wheel cant handle that setup? the frame needs to be ...
3
votes
1answer
73 views

Please help me identify this cassette

I recently found this cassette that appears to have only 5 speeds. No locking or anything. Is it incomplete? Can it still be used with a normal freehub (with spacers of course)? Thank you!
1
vote
3answers
199 views

Is 7-speed for 10-speed cassette replacement possible?

I have a city/touring bike with Shimano MF-TZ21 freewheel hub which is 340mm wide (I measured). I would like to change it to a 10-speed cassette 11-25 or 11-28 but I am not sure if it can fit between ...
1
vote
1answer
104 views

Shimano Ultegra CS-6800 11/32 replacement?

I currently have Ultegra CS-6800, 11/32 w/Di2 on my bike. I've been wanting to get a second set of wheels and see that CS-6800 series is now replaced with the CS-R8000 series. If I move to the R8000 ...
3
votes
2answers
194 views

Best Way to Upgrade My Bike

About three months ago I bought a second hand bike for £70; to be honest it is reasonably good. Current setup for gears is a 2 x 18 (38-48 front, 13-28 rear). As far as I can tell it's not a branded ...
3
votes
1answer
58 views

Is my rear cog wobble the fault of the axle, the hub, the bearings, or the wheel trueing?

Adjusting the rear derailleur on a Bicycle Shaped Object in a stand, I observed skipping gears when shifting from 6 to 5 (it skips to 4), 5 to 4 (it skips to 3), etc, but would snap in place correctly ...
1
vote
0answers
66 views

Ever heard of a snapped rear gear sprocket?

Has anyone come across a rear gear sprocket snapping before? A clean break straight across the diameter. Happened at bottom of hill but not excessive force by any means. Not new but not terribly old ...
2
votes
2answers
99 views

Would the shimano freewheel removal tool be roughly compatible with a Sram/shimano cassette?

I have a bike with a sram Cassette and a bike with (i think) a shimano freewheel. According to https://bicycles.stackexchange.com/a/43506/38471 and other sources, in text atleast the two tools to ...
0
votes
1answer
27 views

Adjustment necessary for stationary trainer

I am looking at purchasing a stationary trainer that will be shared with my wife and would prefer to do a wheel off trainer. Both of our bikes have a 11-28T cassette. So, theoretically, if the ...
1
vote
1answer
810 views

Ultegra 6800 shifter with R8000 rear derailleur?

I'd like to replace a Shimano 105 5800 11-28 cassette on one of my bikes (CAADX 2016) with a CS-HG800-11 11-34 to get a wider range of gears. My rear derailleur is Ultegra RD-6800-SS, which can't ...
3
votes
1answer
55 views

Remove freehub on this bike

I am struggling to remove a freehub from my bike. Please help me to disassemble the hub as it is stuck. When I stop pedaling the cassette keeps turning, to the point where it pulls the chain and ...
1
vote
1answer
213 views

Chain shifting when back pedaling

On my bike I found that when I backpedal, if the chain isnt perfectly straight, it is prone to shift to a more central gear. E.g would be if on the small chainring and the largest cog, backpedaling ...
3
votes
2answers
600 views

How much range can I get with two separate cassettes without changing chain length?

Just bought a new bike and got another wheelset in the deal. One is 700c and one is 650b. Right now they both have 11-34 cassettes. The rear derailleur is Shimano Claris long cage. I found an 11-23 ...
0
votes
1answer
51 views

How to find a fitting drivetrain

I'm currently building up a new bike from a vintage Scott Windriver MTB frame. My plan is to install a Shimano Zee 10-Speed drivetrain because I don't really need more gears in my area, I want it to ...
3
votes
2answers
218 views

installing 11-40T Sunrace cassette with Sram Rival 22

I'm trying to build up a hillclimb bike (Mt. Washington) - current set-up is OK, but I could use the help AND don't care about temporarily losing the use of my big chain ring. Current set-up (all ...
0
votes
2answers
168 views

Bike shifts well for low gears OR high gears - but not both

I have been having issues with my 9-speed rear derailleur and was hoping somebody could help shine some light on it. Thanks in advance! I can adjust my rear cable tension such that either the few top ...
3
votes
1answer
84 views

Electric road bike - Compatibility questions

I am building an ebike on a road frame. I am using a Bafang G310 rear hub motor & 8 Speed Shimano cassette. I plan to use a long MTB rear 8 spd derailleur (either Acera or Alivio). For my crankset ...
3
votes
4answers
705 views

2- or 3-speed fixie [duplicate]

I am young...and dumb... so I want to ride fixed gear as all the other cool guys do. But without the trouble of having too high of a gear when starting away from a traffic light. So is it possible to ...
3
votes
2answers
956 views

How do I identify what cassette type I have?

My chain was jumping and I looked at my cassette, let's just say it needs a lot of dental work. So I need a new cassette and a new chain but can't find specs for the cassette type for my bike. So ...
2
votes
1answer
83 views

What kind of freewheel/cassette is this? [duplicate]

I bought some old bike from netherlands, I wanted to restore it. Rear wheel is broken and I wanted to exchange it but there is this strange freewheel which I cannot identify, do you have any idea what ...
3
votes
1answer
25 views

Freewheel to cassette Conversion 2016 Windsor Wellington 2.0

I am a fit but heavy rider. I am looking to change out my stock wheel set on my Windsor Wellington 2.0 (Bikes Direct.com) to a Veulta HD 36 700c spoke wheelset. I'm just wondering and hoping my ...
1
vote
3answers
181 views

I have changed the chain after my gauge showed that it's .75 worn. New chain jumps anyway. Why? How to deal with it?

I am riding MTBs for over 8 years and either the rules and tools to measure the chain wear do not work or I don't understand how to use them.. I have bought Canyon Exceed with 1x11 SRAM drivetrain. I ...
2
votes
1answer
180 views

Replacing a cassette with a freewheel

I am building an EBike. The motor manufacturer said I must replace the existing cassette with a freewheel. Why do I need to do this?
0
votes
1answer
44 views

Upgrading an old Trek

I have an old Trek from the early 80's, the serial number says its either a 610, 613, or 614. A lot of the parts are getting old and I'd like to replace a lot of them. One part that I an not sure on ...
2
votes
3answers
913 views

Fitting a 9 speed 11-50T on MTB for 1x9 conversion

I'm trying to understand if its possible to fit a 9 speed 11-50T cassette (found one on Ali) on my MTB. The plan is to go 1X9. The problem is that I can't seem to understand the if a specific ...
1
vote
1answer
687 views

Ultegra CS 6800 Cassette

I have Dura Ace set up with an Ultegra CS6800 12-28 cassette. I want to alter to 12-32 but the CS6800 isn't available anymore. Is the R8000 a suitable replacement and what else would I need to ...
2
votes
2answers
971 views

Shimano: what's the difference between medium cage and long cage?

I'm looking at XTR Di2, and it seems the rear derailleur comes in 2 variations: medium cage and long cage. What are the two sizes for? Do they match different types of cassettes? What kind would I ...
1
vote
2answers
248 views

Using wrong speed/size cassette on trainer

I have a 10-speed bike and my wife an 11-speed. I have burnt enough old tyres on my indoor trainer so decided to try a trainer specific tyre on an old wheel. The old wheel currently has an 8-speed ...
0
votes
1answer
121 views

Shimano RD-5800 and 7 speed cassette

Is Shimano RD-5800 rear derailleur compatible with a 7 speed cassette?
29
votes
8answers
10k views

Do I really have to replace the cassette when I replace the chain, or is this a scam?

My chain broke so I brought the bike in and the guy told me "Well you don't have the old chain, so we have to replace the cassette also. They go together. If you don't replace the cassette then the ...
3
votes
1answer
128 views

Will the same lock ring fit 11T or 12T ring, SRAM cassette?

I am currently running Sram PG1070 12-28, but would like to upgrade to 11-28. I can get 11T cog for pretty cheap, but I saw I might also have to get a different lock ring then. Is that true, or could ...
0
votes
2answers
506 views

Shimano Mountain Bike Cassette Comparison

Can anyone explain to me the difference between the cassettes of different MTB Shimano groupsets in terms of value for money and durability? In particular I am interested in the entry level ...
2
votes
1answer
2k views

Changing 7-speed Shimano cassette to 10-speed [duplicate]

I have a bike with a 7 speed cassette. My question is can I swap it to a cassette with more speeds (like 10). I will change the derailleur to a compatible one.
0
votes
1answer
899 views

Can I install 11 speed cassette on 10 speed hub by skipping last cog?

I have got Shimano Ultegra 6800 11 speed on carbon tubular wheels. For indoor trainer use I am going to buy regular wheels and use a special trainer tyre for it. I found a cheap rear wheel for it, ...