DN320 Battery assort26 EXT combines Vittoria's peerless knowledge

EXT combines Vittoria's peerless knowledge of racing performance with the durability of a long-lasting nylon casing that uses a unique Silica and Graphene compound for improved rolling efficiency

the Bronson feels just as at home in the air as it does in the dirt

Perfect all-round characteristics for almost all tracks and conditions

but Cervélo Five Black is anything but heavy

DN320 Battery assort26 EXT combines Vittoria's peerless knowledgeFull wireless technology means an all new battery. The BT DN320 fits snuggly and protected within the new wireless XTR rear derailleur and powers the fast and smooth shifting XTR is known for. FEATURES: Protected Battery: Tucked safely inside an enclosed space, the battery wont budge even in rough terrain, while remaining completely removable for charging. Longevity: 305 mAh provides for more riding on one charge.