I've got 3 chains for sale, each optimized by Friction Facts (aka UltraFast now). You can read about the process at http://ultrafastoptimization.com.
These are Shimano CN-7901 chains and sell for $96 on their site. Two are lightly used and one is brand new.
#1: New in the box; tested at 4.09 watts. SOLD
#2: Lightly used in 2 or 3 time trials; sized for a 55/42 chainring combo w/ 11-25 cassette (108 links). 4.38 watts. Includes a Wippermann connex quick link. SOLD
#3: Used for one hill climb; 106 links. 4.20 watts. Includes a Wippermann connex quick link. Asking $65 including Priority shipping.
I've got photos I can send if it helps. Make me an offer if you are interested.
These are Shimano CN-7901 chains and sell for $96 on their site. Two are lightly used and one is brand new.
#1: New in the box; tested at 4.09 watts. SOLD
#2: Lightly used in 2 or 3 time trials; sized for a 55/42 chainring combo w/ 11-25 cassette (108 links). 4.38 watts. Includes a Wippermann connex quick link. SOLD
#3: Used for one hill climb; 106 links. 4.20 watts. Includes a Wippermann connex quick link. Asking $65 including Priority shipping.
I've got photos I can send if it helps. Make me an offer if you are interested.
Last edited by:
tetonrider: Aug 20, 14 20:11
