All Questions
48 questions
5
votes
4
answers
1k
views
Chain drops when shifting up a gear at the front?
I've just gotten a new bike and run into a problem. When shifting from a smaller cog to a bigger one in the front gears, the chain consistently drops.
The problem happens regardless of whether I'm on ...
- 51
4
votes
1
answer
231
views
What is the best way to increase gear inches on an old bike?
I only recently got into bicycling and without knowing anything, I bought a bike from a local used bike distributor.
Here's what I've learned about the bike.
The frame, seat, and handles are original ...
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
7
votes
5
answers
1k
views
Is it possible to change chainrings to bigger on Shimano FC-MT500-B2 (2x10, 36T-26T)?
I'd like to change a chainring for Shimano FC-MT500-B2 crank on my Grand Canyon 5 bike, because current setting (36T-26T) is not enough for me. On my previous bike I had 44T and it was fine, and I'd ...
- 121
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
2
votes
2
answers
737
views
Chain dropping between chainrings when shifting down
I have a power2max NGeco 110mm spider with SRAM 50/34 chainrings mounted on it. I'm using an 11sp chain and an R8050 Di2 front derailleur.
When changing from the big ring down to the small ring, the ...
- 4,043
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 ...
0
votes
1
answer
525
views
Is it possible to add another chainring to Cannondale Trail SL 3?
I recently bought a Cannondale Trail SL 3 2021, and quickly realized that I need heavier gears for riding comfortably down hill and on flat ground.
Is it possible to add a second, larger chain ring ...
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
4
votes
2
answers
2k
views
Chain hitting front derailleur cage with H limit screw fully loosened
I followed the Park Tools guide to set up my gears. The rear derailleur was a success but I can't manage to adjust the front derailleur so that the chain stops grinding on the guard. There's no more ...
- 143
0
votes
1
answer
135
views
Triple Chainset
Trying to replace my 52/42/32 front 21 speed chainset with same. The outer chain ring 104bcd 52t would also be OK. Unable to find. This is for an English trike.
- 3
1
vote
3
answers
12k
views
Chain slipping on smallest cogs (bigger chainring, new chain)
I recently switched my SRAM 1x12 Eagle SX drivetrain from a 30 to 34 direct mount Chainring. I also bought a new chain to accompany with it. Chain length was measured as the sram service manual ...
- 173
7
votes
3
answers
3k
views
How can I lower the gear ratio on my son's bike?
I got a SH Commencal 24" MTB for my son. He loves it - except on climbing steep slopes where he runs out of steam.
It comes with a 7-speed 14-28T freewheel (Shimano MF TZ21) + Acera derailleur, ...
3
votes
3
answers
2k
views
Correct way to shift?
So I went to a bike shop to check out the options that I could buy and came across this board that has the gear using system explained for beginners (I guess?).
Is it not literally suggesting cross-...
- 386
0
votes
3
answers
591
views
Custom/modified Drivetrain 2x/3x Considerations and Planning
Planning a drivetrain setup for a new bike:
Currently running old Shimano 3x9 44/32/22t on 11-34t, which gives me 19-115 gear-inches (about 620%).
I used 29x2.0, 170mm crank to calculate my current ...
- 19
1
vote
2
answers
729
views
Can I swap my front 2x chainring on my MTB to a ~46T chainring?
The type of cycling I do means I'm never really presented with mega-steep climbs.
I used an online calculator and worked out I never really use gear ratios below about 39, which on my MTB at the ...
- 13
1
vote
2
answers
1k
views
MTB 1x vs 2x cross chaining [duplicate]
I've got a good deal and bought a new bike with full Shimano XT groupset and 2x Drivetrain which I am not fully satisfied with, it has 34/24 and 11-42 setup.
I would prefer 1x more but not going to ...
- 111
1
vote
3
answers
805
views
Alternative cranksets for a cross-country mountain bike larger than 48t
I have to replace my chain and gears on my 28'' cross-country mountain bike and I like to use the opportunity to make some modifications. I've tried to read up on this and I already learned a lot from ...
- 111
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
0
votes
1
answer
3k
views
Converting Sram Force 1 to Sram Force 22
I am buying a Sram Force 1 groupset with a new bike and I cannot test it before buying. In the case I really dislike the gearing steps issues, how difficult/costly would it be to convert to Sram Force ...
- 1
3
votes
1
answer
2k
views
How to change small chainring
I have a bike with a 46/36T crankset (FSA Gossamer Cross BB30) and I'd like to change the small chainring to an even smaller one.
Googling around suggests that the smallest chainring I can get for ...
- 679
4
votes
5
answers
7k
views
Difference between two drivetrains with the same gear ratio?
Given two identical, fixed-gear bicycles, one with a 36/12 gear combination and another with 48/16, will there be any noticeable difference when pedaling these two bicycles? I understand there may be ...
- 203
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
1
vote
0
answers
2k
views
Is Shimano 36/24 double crankset possible?
I'd want to exchange my triple crankset with double. After playing with gear calculator and testing some double setups, I came to the conclusion I need 36/24 gearing. I have 10 speed drive, so I'm ...
- 21
5
votes
3
answers
3k
views
Does effort require to pedal depend on the gear ratio or the gear inches?
I have a 20x1.75" 6-speed folding bike with 52x14-28t drivetrain. Even with the gearing at 52x14, ~3.71 ratio, I can still pedal uphill.
I also have a 700x25C fixed gear with 49x17t gearing or ~2.88 ...
- 837
0
votes
1
answer
70
views
SOMEONE HELP PLEASE:( [closed]
I'm getting a new bike and i'm wondering if a Shimano TX50 front derailleur is good enough and will do the job or should I get another bike which has an acera, FD-M390 front derailleur. Thanks in ...
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
0
answers
53
views
(Dis-)Advantage of 2 chainrings / 3 chainrings [duplicate]
I think about buying a new mountainbike when sale is starting.
Now my Problem is that my favorite mountainbike has only 2 chainrings with 36/26 teeth. I am used to ride with 3 chainrings and don't ...
- 829
5
votes
2
answers
1k
views
How do I change the granny gear on a cheap Walmart mountain bike?
I have a cheap ($100) 26" Walmart mountain bike (Hyper Summit) that has a triple chainring (24,34,42). It appears there is no easy way to remove the granny gear since it has what looks like some type ...
- 818
3
votes
2
answers
5k
views
Chain coming off with internal hub gear bike - why?
I have a Raleigh Caprice bike, about 7 years old, with sturmey archer 3 speed hub gears. There have been some problems with the hub gears in the past 9 months, which have been fixed by a mechanic.
...
- 31
2
votes
2
answers
2k
views
triple chainring with with single speed freewheel
I have a Hero Sprint Axis (with 18T freewheel).I ride mostly on flat roads, but want more top speed and a lower gear for starting from standstill. Is it possible to just install a triple chainring ...
- 123
1
vote
2
answers
2k
views
Can I install a double chainset on a bike that was originally designed for a triple chainset?
I have a BTwin Triban 3 which has a triple chainset that needs replacing. I am thinking of replacing it with a double chainset this time. Is this possible, or do I need new shifters and a different ...
- 111
2
votes
2
answers
151
views
What gears should I go for?
I have a Trek road bike (although you might call it a hybrid since it has straight handlebars. I do about 3,000 miles per year on it for general health reasons (up to 30 miles at a time and averaging ...
- 21
2
votes
1
answer
349
views
Choosing chainring configuration
I'm interested in how I would choose a chainring configuration, supposing I was either replacing mine or building a new bike for a similar usage.
I have a 50/39/30 triple chainring (& 10-speed ...
- 151
2
votes
1
answer
2k
views
SLX chainring compatibility
I'm considering swapping the inner ring on my SLX double chainset (M665) from 22T to 28T. I noticed that the newer M675 has a 40/28 option, so I figured that the 28T chainring from this set-up would ...
- 4,043
10
votes
3
answers
8k
views
Can double chainrings be used with a clutch-type rear derailleur?
I've been reading up on Sram's CX1 1x11 cyclocross-specific group. It hinges on two technologies to minimize the potential for dropped-chains/chainslap. The CX1 clutch rear-derailleur keeps the chain ...
- 709
3
votes
4
answers
899
views
How to get a lower gearing
My trusty old CF racer was stolen the other day, and I'm looking for a replacement. I saw this bike at PlanetX and was intrigued. It's a full carbon bike with (last years) Ultegra components for a ...
- 639
0
votes
1
answer
2k
views
Can I change chainring size on a dirt jump bike?
I don't know the name of it but there is a part on single speed bikes. The gear? I think right where the crank is connected. Well on bmx bikes and especially dirt jumping bikes it is really small and ...
2
votes
0
answers
424
views
Low gearing setup for road bike with Shimano dual control [closed]
Question: What is my best bet for a crankset, given the following requirements for a road bike I am setting up:
68mm "English" thread bottom bracket
Shimano STI "brifters", 2x10 (I already have ...
- 300
7
votes
4
answers
17k
views
Can I increase my highest gear ratio?
I have a modern bike (ridgeback meteor '13) and It currently has a 21 speed shimano chainset.
I find that going down hills (which I do a lot) and on flats I need a higher gear.
Can I do anything to ...
- 1,831
2
votes
1
answer
163
views
how to fix gear ring that over-jumps
I am pretty new here, and I am not acknowledged with the bicycle terminology in English, so this topic might be a duplicate. Sorry in advance.
So, when I put more pressure while pedaling, the chain ...
- 121
5
votes
1
answer
4k
views
Number of gears for a racer
I am looking to upgrade my racer, I currently have a Bottecchia racer from the mid-80s and it has 14 gears. While looking around for newer racers I noticed that a number of them had 20 gears while ...
- 53
2
votes
3
answers
2k
views
Does new chainring require change of other parts?
I'm thinking about changing my 2nd chanring to a smaller one (2 chanring setup). I hear most people recommend to change the chain when changing the cassette.
Hence my question: should I expect to ...
- 135
8
votes
6
answers
14k
views
Why are there almost no bikes with a single chainring?
Bikes with two or three chainrings are the norm, and then there are singlespeeds, but except for kids' bikes, you see almost no stock bikes with a single chainring in front but a cassette and ...
- 257
3
votes
1
answer
329
views
Problems with gears after re-attaching front chainring
I had to remove the pedal crank arm together with the front chain set when fixing a bottom bracket problem, but now that I've re-attached it, gear changes in my front derailleur are completely off.
...
- 245
11
votes
3
answers
13k
views
What is the impact of changing to a smaller chainring?
My road bike has a Campagnolo Veloce gearset. It's running 53 and 39 tooth chainrings. I have a 13-25 10sp cassette.
I find that a lot of the time when I'm cruising, I'm on the big chainring and in ...
- 9,166
11
votes
4
answers
29k
views
How to fix front gear taking 2 shifts just to move onto next cog
I was out on a ride yesterday and several times when I was changing up and down between big chain ring and little chain ring (I only have the 2 rings up front) it required 2 gear changes. The gears ...
- 2,209