11sp 11-13-15-17-19-21-24-28-32-37-42T

Goggle compatible

and 40oz Klean Kanteen stainless steel bottles

with side knobs for effective cornering traction

A full collection of cargo mounts lets you bring extra water

PARK TOOL CC-4.2 Chain Checker Tool Compatio_Enriched 11sp 11-13-15-17-19-21-24-28-32-37-42TA worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC 4. 2 Chain Checker is a drop in gauge that measures chain wear accurately. It contacts the chain in three places, eliminating guesswork. Compatible with 5 to 13 speed and single speed chains, it indicates wear at 0. 5%, 0. 75%, and 1. 0%, matching manufacturer replacement recommendations. Measures bicycle chain wear accurately, preventing expensive