All Questions
10 questions
4
votes
2
answers
632
views
Adjusting chain line by mounting the chain ring inside the crank spider
Background: Sugino RD2 single-speed cranks call for a 103mm bottom bracket which gives a chain line of 45mm, which is what I need, but there aren't suitable square-taper BBs in this size. ...
1
vote
1
answer
1k
views
Shimano R7000 front derailleur height adjustment
I’ve been getting a little bit of chain rub on the extreme opposites but that’s to be expected, however when looking at the front derailleur this morning after a quick clean, it appears it may be ...
1
vote
1
answer
2k
views
How to adjust chainline for 2x10 crank set
I replaced my 3x8 system with 2x10 system on my Trail bike.
My BB is of 73mm size and as a standard I left one spacer at drive side and none at non-drive side of the chain-ring as of now. But I could ...
1
vote
3
answers
593
views
Smaller chainring on the right side of a bigger one possible?
I recently converted my bicycle from a derailleur setup to an internally geared hub. During the conversion, I also replaced the previous crankset (with three chainrings) by a crankset having a single ...
2
votes
1
answer
2k
views
Is it safe to bolt my single-speed chainring to the other side of the crank?
Background: I converted a 21-speed bicycle to single-speed by removing the derailleurs and installing a single-speed freewheel and crankset.
The chainline is no longer straight, and I would like to ...
5
votes
1
answer
3k
views
What is required for a proper boost chainline on a 1x drivetrain - only a boost chainring or an entire crankset?
To obtain a proper chainline for a boost rear hub (~52 mm), is it enough to fit a boost (3 mm offset) chainring to a 1x crankset which is originally non-boost, or is an entire boost crankset required (...
1
vote
1
answer
511
views
Chain contact on rear triangle
Hi can anyone help with some advice. I have built up a 2007 specialized big hit 2 and fitted it with a 32t narrow wide chain ring as that is what I've been used to riding. It rides great it handles ...
5
votes
1
answer
3k
views
'1 1/8' vs '1/2 1/8' chain/chainring
Some 1/8 chains and chainrings are sold as "1/2 1/8" and some as "1 1/8". What is the first number describing?
My understanding is that practically all modern chains have a 1/2 inch pitch.
3
votes
1
answer
3k
views
Chainring offset - chainline - of Alfine vs. Ultegra/Dura Ace
I have a bike with Alfine 11 and belt drive. I think I could use a 175mm crank, certainly a 172.5, rather than the 170 Alfine comes in (height 6'1" frame size 60cm) and going a little lighter and ...
3
votes
2
answers
3k
views
What is causing noise/vibration high power input on right hand (drive side) crank?
I am getting a repetitive grinding sound/slight vibration while fully mashing on my Kona-humu single speed.
Description of Problem
This grinding is more similar to what you would hear from an un-...