BATTERY, BT-DN110A-7, BUILT-IN TYPEThe Shimano BT DN110A 7 Battery features a built in Li Ion battery with a capacity of 500mAH or 3. 7Wh. This battery requires Shimanos SM BCR2 charger. This battery is requires the use with EW WU101 or SC MT800 interfaces to gain BlueTooth Smart wireless connectivity for adjustments on the fly on smartphones or tablets. The Shimano BT DN110A 7 Battery fits all e Tube Di2 groups. Features Built in Li Ion battery Compatible charger SM BCR2

and the handy LED fuel gauge tells you when it's time to recharge with its micro-USB cable

The benefits of a smooth center like the City Slick

Lever paddles available in compression molded carbon fiber or forged and anodized alloy versions

- ANSI-Standard certified lumen output and runtime

4 x 104mm BCD (for 32T ring

Fits 55mm length holders

Popular well rounded tread suitable for pavement and light off road use

and our PowerLink™ "No weakest link" closing system

When the addition is Louis Garneau's Arm Coolers

Quick piston retraction for reliable performance

Also fits disc brake lockrings and lockring adapters with 12 internal splines

Rail: Pro T2