Description
Proven in testing to permanent increase chain efficiency by up to 0
Width: 142mm to 272mm
EXPERIENCE UNMATCHED COMFORT
The Chain Johnny was invented (patents pending) by David Bolch
Shimano Men's S-Phyre SH-RC903 Road Shoe Women's Clothing-Run-Tops-S/L Proven in testing to permanentLightweight and breathable micro fiber leather upper provides optimal fit and superior comfort throughout your ride. Premium finish heel cup with anti twist stabilization secures optimal foot positioning for intense acceleration. Sleek, low profile crossover lacing pattern elegantly secures forefoot. 360 surround wrapping upper creates a supremely engineered fit for all riders. Dual low profile BOA Li2 dials allow quick and precise micro adjustments.