Shimano D-Fly wireless Bluetooth sender for Di2 gears​.

Wireless transmitter for Shimano Di2 gear systems.

Can be used for displaying current gear, updating software via tablet and much more.

Works with

Shimano Dura-Ace Di2 9070

Shimano Ultegra Di2 6870

Requires an extra Di2 wire.

Important: Must be used in conjunction with Shimanos new battery ​BT-DN110.