[RBW] Re: 23-tooth 74bcd chainring

2018-07-04 Thread Nick Payne
A 23t chainring will run the chain at a 2mm smaller radius than a 24t chainring. I looked at the 24t chainring I have on a Sugino XD, and the chain already runs so close to the mounting posts on the crank that the chainring bolts to that a 23t chainring wouldn't work as the chain would

[RBW] Re: 23-tooth 74bcd chainring

2018-07-04 Thread jandrews
thanks all Re: 23T not being in use for a reason with 74 bcd, I get that, but also thinking that perhaps aluminum strength and precision cutting may have changed since the standards were set. After setting up my SH as a 1x (with a manual bailout granny)...I'm actually going back to a triple. I

[RBW] Re: 23-tooth 74bcd chainring

2018-07-03 Thread iamkeith
Interesting. I'll play devil's advocate: for $12 I'd try it, personally. Heck, I'd buy 2 for the shipping cost. I could see potential for problems, but not consequential ones. If it breaks, you're in your low gear and therefore going slow anyway. Use your middle ring to limp home. The

[RBW] Re: 23-tooth 74bcd chainring

2018-07-03 Thread Kieran J
Or a 94/58. KJ On Tuesday, July 3, 2018 at 2:11:34 PM UTC-7, Garth wrote: > > > I'd pass. If I really needed lower gearing I'd get a 104/64 mtb triple > which can go down to 22t, though I've seen some 20t. > > -- You received this message because you are subscribed to the Google Groups "RBW

[RBW] Re: 23-tooth 74bcd chainring

2018-07-03 Thread Garth
I'd pass. If I really needed lower gearing I'd get a 104/64 mtb triple which can go down to 22t, though I've seen some 20t. Or, just ride on with what you got, if you come to stop, so what ? Walk a bit 'till you continue . -- You received this message because you are subscribed to the