This product is out of stock, and not coming back.It may have been replaced by a newer version, see replacement/alternatives listed below.
A worn chain shifts poorly and wears sprockets at an accelerated rate.0.75% and 1%, the points at which chain experts suggest replacement.
Compatible with all chains.
Easy to use.
Description:
Product Category:Bike Chain Wear Indicator
Brand:ZTTO Measuring ruler for bicycle chain Material:carbon steel Surface treatment:Electrophoresis black
Packing list:
1* measuring ruler for bicycle chain
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.