Shimano BT-DN320A Battery - On Component Type 1st Group Color-crk s-works carbon crank arm with power meter drive side / right 167.5mm 40g 90% Recycled Polyfill delivers

40g 90% Recycled Polyfill delivers premium

}Continental Grand Prix 4-Season Tire - 700 x 25 Clincher Folding Black Vectran Breaker DuraSkin

* Start with the empty space wherever you want

}Salsa Rear Stainless Flip-Off Skewer Silver

Shimano BT-DN320A Battery - On Component Type 1st Group Color-crk s-works carbon crank arm with power meter drive side / right 167.5mm 40g 90% Recycled Polyfill deliversShimano BT DN320A Battery On Component Type 1st Group. Full 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. Protected Battery is tucked safely inside an enclosed space so the battery wont budge even in rough terrain while remaining completely removable for charging 310 MaH provides for more riding on one charge