2
votes
1answer
119 views

Help me to attach inner ring

I have cranks with 4 holes for outer and middle rings attachment. There are no holed for inner ring attachment. On my other bikes crankset middlering has 8 holes 4 for cranks and 4 for inner ring. I ...
1
vote
1answer
286 views

Lowering the gearing on a Shimano biopace double

My bike has a 52/38 Biopace pair on a 5 bolt 130 crank (Shimano 105). I want to reduce the pedal load because I'm getting older and live in hilly Wales, UK. I have bought a 42/28 Biopace pair. ...
5
votes
2answers
874 views

Can I run a dual crankset with a chain guide tensioner?

We recently got a new mountain bike for my son via craigslist, it is a couple year old Transition Bottle Rocket and came with a E-Thirteen SS+ chain guide/tensioner. He would like a lower gear for ...
21
votes
10answers
12k views

Triple vs Double chainring?

I'm bike shopping for my first road bike, and I've asked for a lot of advice from my father who was a serious cyclist once upon a time. After showing him one prospective bike, he dismissed it with a ...
3
votes
2answers
278 views

How can you tell how far apart your chainrings are?

I just replaced my cassette and my crank with one from the LBS that the guy said would work. I've had no problems with the cassette, but the crank is too wide so that my front derailleur does not ...