KMC Mini Chain Tool MISC SHIMANO's SM-JC41 Junction B is

SHIMANO's SM-JC41 Junction B is the central connector for DI2 systems

steep slopes and high speeds are manageable and attainable only when armed with total safety and confidence in powerful

A CNC milled Aluminium plate forms a single unit with your Geiles Teil 4

Laser etched graphics

KMC Mini Chain Tool MISC SHIMANO's SM-JC41 Junction B isThe Mini Chain Tool securely locks the chain into place at just the right spot. Versatile design that works with chains up to 12 speeds. Designed for use with a hex key L wrench allowing you to find the best possible angle for leverage. Inner screw fits precisely within the cap, so pressure can be applied to pin evenly, safely, and efficiently. Made of aluminum alloy. Bullet shaped design to easily carry in your pocket. Storage pouch included. Great