SM-BTR2 Adapter Unit
Shimano Di2 External Battery Mounts
All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
$3.50
Original: $9.99
-65%SM-BTR2 Adapter Unit—
$9.99
$3.50Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Shimano Di2 External Battery Mounts
All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
