ALFINE Chain Tensioner Mechanical Disc 9 piece L style hex

9 piece L style hex wrench set

2 - Silicone dust seals

it will only work to attach/mount a OneUp Components Dropper Remote body (V2 or V3)

A simple roll and clip provides waterproof storage that is quick to access and quick to close

ALFINE Chain Tensioner Mechanical Disc 9 piece L style hexDescription The Shimano Alfine Double Pulley Chain Tensioner CT S500 is designed for Shimano Alfine equipped bicycles that need reliable chain management with an internal gear hub setup. It uses a double pulley design to help maintain proper chain tension and is intended for builds where chain growth or drivetrain setup requires a tensioner. Shimano states that the CT S500 can accommodate a front chainring difference of 16 teeth and works with