All Questions
12
questions
4
votes
2
answers
304
views
105 R7000 chain rubbing bigger sprocket when pedaling backwards
I am new to this so I wanted to know if this behavior is normal. When I pedal backwards and the chain is on the smallest sprocket I can see that the chain rubs for a second and then does a little jump....
3
votes
1
answer
1k
views
Which replacement sprocket and chain ring should I get for a Shimano Alfine 8?
I have a Charge Mixer bike with, I believe, a Shimano Alfine Inter-8 internal hub gear system. Recently the chain started to creak so I decided to change it. I bought a KMC X9 chain as Shimano appear ...
1
vote
0
answers
178
views
Can i use claris R2000 rd on 14-34T mega range sprocket?
I have sprocket 14-34T with mega range. I planned to change my old (maybe 1990's) shimano tourney rd to shimano claris R2000 medium cage. Some of my local bike shop said that i can replace with claris ...
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 ...
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)...
1
vote
1
answer
6k
views
My rear derailleur won't shift after up after 3rd cog
I just got a MTB bike thats been sitting in a garage for a couple of months.
I tried the bike and found out that the rear derailleur(Shimano) wont shift after the 3rd cog . It shifts up to the 3rd ...
8
votes
3
answers
3k
views
What does marking like "aq/ar" on the sprocket mean?
Shimano sprockets are marked with short strings like "aq/ar", "bg", "as/au/be" and others. For example, "bj bk" can be read on the image below:
It looks like they mean the hyperglide series to which ...
5
votes
1
answer
7k
views
Which jockey wheel on top?
I've just bought a new pulley set for my rear derailleur but do not know which one goes on the top (nearest derailleur) and which one goes on the bottom. The
wheels have arrows on them;vI suppose they ...
9
votes
5
answers
133k
views
50/34 vs 52/36 crankset for 11-32 cassette (shimano 105 5800FC)
Following up on this enlightening answer, I would like to know the differences between 50/34(compact), 52/36(mid-compact) and 53/39 (standard).
The cassette I am choosing is 11-32 to give me a wider ...
3
votes
1
answer
14k
views
Can I replace only the smallest cog on my rear cassette?
I currently have a 12-30t rear cassette which needs replacing. While I'm at it, I really want to switch to an 11 tooth to get the extra 9% in top speed. But the problem is, even the most expensive (...
2
votes
1
answer
4k
views
Gears jumping/slipping from the rear cogset on a new bike
Its been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano)..
Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and second ...
2
votes
1
answer
255
views
How is the quality of alloy sprocket 10 speed sprocket?
I saw at ebay, 10 speed cassette compatible with shimano, it's very light 103 grams, but the material is alloy with ceramic coated, it says, the cassette can be used up to 3000K, is it true? or may be ...