All Questions
29
questions
3
votes
3
answers
351
views
What are the replacement options for my Miche cassette?
I have a sprocket with chipped teeth. It's on a Miche Primato ten-speed cassette ("Fac Michelin PRIMATO 12/25", in the catalogue) with a Campagnolo Mirage groupset.
The hub is labelled ...
- 1,729
7
votes
1
answer
713
views
Should the chain diverge that much?
I bought a new bike that has:
11-speed SRAM NX cassette.
Single chainwheel: 36 SRAM NX teeth
11 / 42 cog.
KMC X11 chain with quick-release.
Rear derailleur: SRAM NX 11-speed.
Anti-derailment ring.
...
- 1,135
7
votes
4
answers
1k
views
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 ...
- 21.4k
9
votes
2
answers
3k
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....
- 21.4k
5
votes
3
answers
709
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 ...
- 153
3
votes
1
answer
514
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 ...
- 9,596
3
votes
1
answer
150
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 ...
- 51
1
vote
2
answers
140
views
Can no longer shift to lowest gear
I recently worked on my derailleur a bit to fix some issues in high gears, however, now I can no longer shift down to my lowest in the cassette when in either crankset.
I have tried the L screw at ...
2
votes
2
answers
335
views
Using a cassette and derailleur with different sprocket/cog specifications
I am trying to make a cheaper (500ish) bike work with a Tacx Flux (2018 version). According to their website, the Tacx Flux only supports 8-11 speed cassettes, but my bike has a 7 speed freewheel (14-...
- 23
13
votes
1
answer
4k
views
Was I just sold a used cassette?
I just bought this Shimano HG41 cassette and I noticed that not all of the teeth and dips between them look the same. You can easily see this in the image that I included if you compare the teeth on ...
- 321
1
vote
2
answers
1k
views
Customizing the smallest cog
I am running on a Shimano Tiagra 10 speed (CS-HG500-10) (12T-28T) and (50-34T front). I'd like to change the smallest cog (12T) to something smaller, i.e., 11 or even 10, to improve my sprints. Is ...
- 397
3
votes
1
answer
548
views
Replacing the largest sprocket in the cassette with a larger one?
Got this nice old bicycle as a gift from friends, and it has 7 sprockets in the cassette, plus a hub-gear mechanism with three gears (only two of these work though.)
To come to work I must ride about ...
- 31
6
votes
2
answers
3k
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)...
- 11k
1
vote
1
answer
60
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?
- 11
1
vote
1
answer
167
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 ...
- 111