1pc Bicycle Chain Wear Indicator Checker Mountain Road Bike MTB Chains Gauge Measurement Ruler Cycling Replacement Repair Tool

specification:

• Brand New  High quality.
• A worn chain shifts poorly and wears sprockets at an accelerated rate. 0.75% and 1%, the points at which chain experts suggest replacement.
• Easy to Use
• Made of stainless steel material
• Compatible with all chains
• Size: approx. 14cm x 4.8cm/ 5.51 x 1.89(LxW)

Package Included:

• 1pc x bicycle chain checker