Shimano BT-DN300 Di2 Battery 12 Speed PSI Redesigned gear teeth profile to

Redesigned gear teeth profile to fit a wider gear pitch

more comfortable and with increased puncture protection

SILCA Secret Chain Blend (Hot Wax) brings all of the super speed and silence of our Super Secret Chain Lube in a hot-melt wax-dipped chain

HWAXXX00S8123S - Rear QR 130mm Rim Brake (SRAM XDR)

BXP "Blue" Compound

Shimano BT-DN300 Di2 Battery 12 Speed PSI Redesigned gear teeth profile toThe Shimano BT DN300 Di2 Battery (12 Speed) features the same waterproof design Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12 speed road derailleurs and shifters when a fully wired option is selected. The same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames for a clean aesthetic. The third port is for riders who want the redundancy of Shimano's 12 speed Di2