NEW Shimano BT-DN110A-8 Built-In Di2 Battery - For Road Bike Racing - Made In Japan

If you're running Shimano Di2 on your road bike and the battery's getting old, here's the official replacement.

It's the BT-DN110A-8, built-in type that hides away neatly in your frame or seatpost.

Made in Japan, so you know the quality's there.

This is for road racing bikes, keeps your shifting crisp and electronic.

Brand new, sealed in original packaging.

Don't mess with knockoffs when it comes to your shifting—get the real Shimano part and keep those gears clicking perfectly.