[VIP The 1 year ] Index:3
Multipurpose chain wear indicator -YC-503H
New design chain wear tool which includes the function of chain hook and measurement tool of spoke nipple size 3.2/3.3/3.4/3.5/3.6/4mm. A worn chain shifts poorly and wears sprockets at an accelerated rate. 0.75% and 1%, the points at which chain experts suggest replacement.
