All Questions
11 questions
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
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 ...
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
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
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
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
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
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
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