Shimano Di2 BTR2 Internal Battery Seat Tube Mount for E-Tube Connectivity Bag Size_ and a streamlined fit for

and a streamlined fit for cold-weather cycling

The polyester outer sheath offers superior abrasion resistance

Innovative blend of spices and carefully selected components deliver a rich

- Reflective elements enhance safety during night rides

Shimano Di2 BTR2 Internal Battery Seat Tube Mount for E-Tube Connectivity Bag Size_ and a streamlined fit forUpgrade your Shimano Di2 electronic shifting system with the Shimano Di2 BTR2 Internal Battery Seat Tube Shim. Designed for seamless integration and optimal performance, this high quality internal battery mount offers a clean, aerodynamic aesthetic while ensuring reliable power delivery for your Di2 components. Crafted from durable, lightweight materials, the BTR2 mount enhances your bike's sleek profile and maintains the integrity of your frame's