BT-DN110 Di2 Battery Cable and Housing Tools and the HotDog Piston designed

and the HotDog Piston designed to keep your tires on top of rough terrain

Pedal Assist T-Type Chainring Clip On Guard Unisize 38T/36T/34T (EMTB) Including 6 Safety Clips

Multi-Tool Weight 217g Number of Tools 14

On more technical sections

we want you to only be thinking about the ride ahead

BT-DN110 Di2 Battery Cable and Housing Tools and the HotDog Piston designedDi2 internal battery, compatible with all e Tube Di2 groups (except R9250 R8150 series) Capacity: 500 mAH ( 2000km) Use with EW WU101 or SC MT800 interfaces junction to gain BlueTooth Smart wireless connectivity for on the fly adjustments with smartphones and tablets Requires SM BCR2 charger Attributes Misc Internal, with BlueTooth connectivity