Shimano BT-DN300 Di2 Battery 12 Speed PSI HWAXXX00S8123S - Rear QR 130mm

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

climbing alpine passes or chasing personal bests

Compactness: The volume of the Scorpion™ SmarTUBE is up to 50% less than an equivalent butyl tube making it the ultimate spare tube: it saves space and doesn't add weight on the trails

BXP "Blue" Compound

creating no harm to the sensitive latex innertubes

Shimano BT-DN300 Di2 Battery 12 Speed PSI HWAXXX00S8123S - Rear QR 130mmThe 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