All Questions
79 questions
1
vote
2
answers
55
views
Cannot remove gears/cassette from axle (hub motor)
Cannot remove the cassette from the axle
I have an e-bike with an 8FUN hub motor,
I would now like to replace the cassette as the gears are quite worn.
But I can't get them off.
I have attached a ...
- 133
2
votes
2
answers
98
views
Turbo Trainer Cassette vs Bike Gears
I’ve just purchased a Pinnacle Smart Trainer. In addition a 2nd hand Carerra bike.
In my incompetence with anything practical, I’ve not read the instructions. The turbo requires a 8/9/10/11 speed ...
- 21
1
vote
1
answer
236
views
My bike has a 10 speed cassette. MTX hub motor takes 9 speed cassette can I remove last cog of my cassette without issues?
I need some advice. I have a Giant Anthem 2012 dual suspension bike. And want to put a 1500 watt 26" MTX cassette type rear hub motor onto it. I believe the MTX wheel can take up to a 9-speed ...
8
votes
1
answer
2k
views
Struggling to install Shimano CS-R8000 cassette
I'm replacing the cassette and chain on my Cannondale Synapse 2016 bike, and really struggling to understand where the spacers go on the cassette. No combination seems to work properly when changing ...
- 213
5
votes
2
answers
2k
views
Can I run 11-32t on my Bike and 11-28t on my smart trainer using the same bike?
I run an 11-32t on my rear wheel and completely forgot to check the specs of the 11-speed cassette I ordered for my smart trainer. Turns out the one I got for the trainer was 11-28t. Can I run the ...
- 53
4
votes
1
answer
191
views
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....
- 546
6
votes
4
answers
5k
views
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 ...
- 285
3
votes
1
answer
219
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 ...
- 31
5
votes
3
answers
1k
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 ...
- 153
3
votes
1
answer
800
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 ...
- 345
4
votes
3
answers
173
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.
- 41
3
votes
4
answers
4k
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 ...
2
votes
2
answers
1k
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 ...
- 141
-1
votes
1
answer
75
views
Gears slipping when back peddaling
So i was out on my bike racing this weekend and i had a pretty fun time but on one of my practice runs my chain fell off so i quickly got off and put it back on and worked perfectly fine from there. ...
1
vote
2
answers
144
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 ...
1
vote
1
answer
3k
views
105 11-34T Cassette Compatibility
I purchased a Merida Speeder 400 a year back. This came with Shimano 50-34 teeth and Shimano CSR7000 11-32 teeth 11-speed cassette which I replaced with Shimano 105 R7000 11 Speed 11-34 Teeth Cassette....
2
votes
2
answers
364
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
...
- 191
7
votes
4
answers
2k
views
Swapping wheels and cassettes with Shimano GRX 600/800
I am in the market for a gravel bike. I plan on getting a second set of wheels for road rides. This bike will most likely have Shimano GRX 600 or 800 2x and an 11-34 cassette. Assuming the rear ...
- 367
3
votes
2
answers
815
views
how can you index a 9 speed 11-46 tooth cassette if the gears arent equally apart
I am looking at purchasing a 9 speed 11-46 cassette but on inspection the bigger cogs are not equally apart from the smaller ones. How would you go on with indexing (I use a thumb shifter 9 speed) if ...
- 127
1
vote
3
answers
3k
views
11t-40t/42t cassette on 3x9 system
I need your help about gear ratio.
I am currently riding 3x9 drivetrain, Deore m592 rear (SGS-Shadow), Deore XT m770 front.
My gear ratio is:
11t-32t (rear) and
22t-34t-44t (front).
My local hills and ...
user53666
3
votes
1
answer
256
views
9-32T vs 9-42/6T 9 Speed Cogs
Been wondering what benefits and advantages do people get when changing cogs.
Does increasing or decreasing the gear tooth affect or increase your speed? TYIA For the answers. How would this affect my ...
- 345
7
votes
1
answer
529
views
I'd like to be able to climb hills better: is it an option to increase the diameters of the largest gears on rear cassette?
I'm a beginner cyclist and I'd like to be able to climb hills better.
Of course there are many approaches to this, including fitness and technique. I am trying those, but on top of that, I'm thinking ...
9
votes
3
answers
3k
views
Get a tougher gear on Shimano GRX, 11-34T, 2x11
I have a new 2021 Cube Nuroad Race gravel bike with Shimano GRX, 11-34T, 2x11.
I am used to riding a road bike, and find on the new one I don't need the easiest gears on the hills, but could use a ...
- 190
2
votes
2
answers
3k
views
Can l add more gears by replacting the cassette on my mountain bike?
I have a Giant Yukon with 8 speed. I want to know if l can change it to 10 or even 11 speed?
Is it possible to change the cassette on the rear wheel?
- 21
1
vote
1
answer
89
views
Rear cassette shifting
I replaced my free hub body due to pedal slippage. I also replaced rear cassette and chain for regular maintenance. Since then the problem started and I replaced shifter and cables as well as rear ...
6
votes
1
answer
3k
views
SRAM PG-1130 cassette manual? Meaning of numbers on spacers that go between sprockets?
Took apart the individual sprockets on my SRAM PG-1130 cassette and the spacers (the ones between the cogs) were so dirty I didn't even see the numbers on them but each spacer has an 11 on it (makes ...
- 339
9
votes
1
answer
3k
views
Cassette teeth design
I'm new to the bicycles scene and was trying to 3D draw a bicycle.
I'm currently trying to draw an 11 speed 11-30T cassette but I quickly noticed that the design of the teeth of the gears are quite ...
- 93
2
votes
1
answer
101
views
Do simpler casettes have less issues with missing shifts?
On my new Trek Marlin with a 8 gear cassette, sometimes I try to downshift into the middle of the range of gears and it doesn't take (upshifting works fine). I can hear the gear clicking for a few ...
- 608
5
votes
3
answers
9k
views
50/34 compact with 11-32 10-speed Shimano 105 - will 11-34 make climbing easier or change chainring
As mentioned above...I'm running a 50/34 10 speed with 11-32 cassette but would like to change to a configuration that would make climbing hill easier.
I live in a hilly area so every time I cycle, ...
- 51
5
votes
2
answers
3k
views
Lowest rideable gear ratio
What is the lowest rideable gear ratio (chainring/cassette) possible without feeling like having to balance/trackstand? I'm doing some virtual simulations right now and I'm just setting up IRL limits. ...
- 1,315
5
votes
3
answers
1k
views
How much of a difference would shifting from a (24/34/44, 14x28) to a (28/38/48, 11x34) configuration make when going downhill?
I currently have a Proton MTB with a 24/34/44 crankset and a 14-28 cassette. I have found the configuration to be lacking when going downhill: The front chain ring doesn't feel stiff enough on the ...
- 153
1
vote
6
answers
10k
views
Issue shifting from largest cog to second largest
Got a Canyon Spectral 3 weeks ago, have done around 2 hours riding on it and have noticed an issue with shifting from the largest cog to second largest. The drivetrain is SRAM NX 1x12.
There are two ...
- 11
4
votes
3
answers
5k
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 ...
user31142
4
votes
2
answers
517
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 ...
- 43
2
votes
0
answers
164
views
Ever heard of a snapped rear gear sprocket? [closed]
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 ...
- 21
8
votes
2
answers
2k
views
Help me understand my 8-speed uniglide compatibility issue
I have a Dura Ace 8-speed uniglide rear hub/freewheel marked 'Integrated 8 SIS' and an 8 speed uniglide 14-21T cassette.
Two issues - the first being that the smallest cog needs to be a special 32mm ...
- 677
4
votes
2
answers
317
views
Which rear cog should I remove if I want to add a 26 for climbing?
I have an old road bike with 53-39 rings and 13-23 cassette. Although it's generally flat in my area, I like to get to the top of these hills where they put the radio antennas (without dying). Max ...
- 51
1
vote
1
answer
65
views
Replacement Freehub cassette
I'm planning on changing my cassette to 11-32.
Im running a Shimano 12-28 8 speed at the moment.
I have no markings on my old cassette and I'm a little confused at all the letters and numbers they ...
- 389
4
votes
3
answers
3k
views
How does one upgrade a bicycle?
I am a total bike novice, I can ride them but have never done much as far as maintenance. Recently, I got my old bike out of storage, it is a 1991 Trek Multitrack 700, and I want to know if I can "...
- 101
4
votes
2
answers
2k
views
Need easier gearing. What would the effect of changing the chainring or cassette be?
My mountain bike is too difficult to pedal when the going gets steep. I need an easier gear ratio. Am I better off switching the chainring or the cassette?
I currently have:
A 30 tooth FSA ...
- 8,596
3
votes
6
answers
19k
views
Is it OK to have a single front chainring paired with 7 speed at the back?
I'm planning to have a single front chain ring to be paired with my 7 speed at the back. I'm still saving up for a 10 speed.
- 31
-1
votes
2
answers
163
views
Gear slipping in gear 24
I use my bike everyday to commute and recently I've noticed that when in gear 24 my bike seems to slip from time to time as though the chain has "lost the gear" and then finds it again.
I haven't ...
- 1
8
votes
3
answers
32k
views
Choosing a rear derailleur for 11-42t cassette on a SRAM 10-speed 1x system
I have an 11-42t 10 speed cassette and a 42t narrow wide chainring. I cannot work it out definitely whether a Sram long cage rear derailleur will work with it.
I think that this one should work but ...
5
votes
2
answers
2k
views
Can you run 52/39 chain rings with an 11/32 cassette?
Seems most bikes either come with 50/36 rings and an 11/32 or 52/39 rings with an 11/28 cassette. I live in hilly terrain and do need lower gears but often feel spun out with my 50/36 by 11/32, could ...
- 51
0
votes
1
answer
111
views
Can I use a Shimano XT 11-gear derailleur with a 10 ring cassette on a mountainbike?
I put a 40-11T 10-gear cassette on my mountainbike, but did not check whether it was compatible with my current xt shadow+ derailleur. Now the derailleur rubs against the cassette in higher gears. In ...
2
votes
2
answers
153
views
Improve my riding experience [closed]
I'm new to cycling and I've got a borrowed, older, road bike. I believe it's a 10 speed, with 700 series tires. From what I've been told it was a very expensive bike in the 90's. I'm training for my ...
- 21
3
votes
3
answers
1k
views
Can I put a lower geared cassette on my bike?
I bought a bike recently that has a 34 front 28 rear gear ratio. It is an Elfama E2500, which is a Korean brand I believe. It has a Shimano Claris (which is rated for up to 32 teeth) rear derailleur ...
- 133
3
votes
1
answer
2k
views
What is a good replacement for my MF-Z012 6 speed wind on cassette?
I'm trying to find a good replacement for my MF-Z012 6 speed wind on cassette. Thing is, I've upgraded my bike with '93 Dura-Ace rear and front derailleurs. Trouble is they are 7-speed compatible. ...
- 123
3
votes
2
answers
431
views
Regina Extra Freewheel or Cassette
I have a road bike (Carlton Flyer, 1977) with a regina extra rear cassette. I'm interested in downgearing it (i live on a massive hill) and am trying to identify whether it is a freewheel or cassette ...
- 31
5
votes
1
answer
1k
views
Can I mix and match cogs from 2 different SRAM cassettes and still expect it to work?
My road bike currently has a 12-25 cassette on it. I really want the cog with 11 teeth instead of the cog with 12 teeth, but I don't want to upgrade to a full 11-32. If I were to install a new 12-25 ...
- 75