SHIMANO TL-CN42 CHAIN WEAR INDICATOR trek kids Designed and dyno-tested in-house at

Designed and dyno-tested in-house at Barnoldswick

Clear and non-staining

Daytime Hyperflash 2

polished black anodized finish and optimized heat management for powerful

SHIMANO TL-CN42 CHAIN WEAR INDICATOR trek kids Designed and dyno-tested in-house atThe Shimano TL CN42 chain wear indicator delivers precision measurement with its unique 3 pin design, eliminating gaps between roller and pin for accurate readings. Crafted from heat treated stainless steel with laser cut precision, this tool quickly identifies chain wear before it damages sprockets and chainrings. Simply guide the rollers in alignment to check wear effortlessly. Essential maintenance for preserving shifting performance and extending