BikeHand Bike Bicycle Chain Wear Checker, Quick Master Link Pliers & Chain Breaker Rivet Tool – Professional Chain Tool Kit for Road, Mountain, and Hybrid Bikes

CHAIN CHECKER: This precision laser-cut chain checker is designed to accurately measure when the chain reaches a .75% or 1.0% stretch and decide the necessity of chain replacement. Place the checkers onto a segment of the chain then see whether the chain checker lies completely flat on the chain. If so, replace the chain. Compatible with 7 to 12 Speed Chains including Shimano Sram Campagnolo KMC and other brands. CHAIN RIVET TOOL: A professional tool that can effortlessly install and remove the chain rivet without damaging the chain, features a spare driving pin. The precision-designed pin screws into the chain, with an adjustable clamp that suits chains of various widths, and a steel-constructed body with a contoured cushioned handle. Compatible with any bicycle chain, from a single speed up to 12 Speed and half-link single-speed chains. MASTER LINK PLIERS: This tool is made to easily remove and assemble the master link by inserting it into the master link and then squeezing it with t