Abbey Bike Tools LL Chain Wear Tool Description: The Abbey Tool LL Chain Wear Tool promises to measure wear accurately on the latest generation of multi-speed chains found 1x drivetrains, including flat-top style chains. Tolerances found within the latest generation of multi-speed chains can quickly effect shifting performance, superior machining has been used in the production of the LL Chain Wear tool to ensure that a measure of the chain is taken without influence from the tool itself. Features: A CNC machined chain wear tool that is compatible with most chains including SRAM flat top chains Measures from the center of the chain roller for an accurate output instead of the side of the chain Measure the lateral chain wear commonly associated with 1x drivetrains due to the extreme angles Specifications: Color: Green