Joined: Nov 2006
Posts: 3,391
Likes: 1
From: duluth
Bikes: '07 Pista, '09 Fantom Cross Uno, '8? Miyata, '67 Stingray, '0? Zoo mod trials, Tallbike, Chopper, '73 Schwinn Collegiate, '67 Triumph Chopper, '69 CB350, '58 BSA Spitfire, '73 CB450
As for the biopace, I tried the tiny 29t? ring out with a 14t cog - fixed. Was a little odd, but kinda fun in a hill climbing and killing off inventory of worn 27" tires by skidding sort of way.