Shimano BT-DN320A Battery - On Component Type 1st Group Brand-Hammerhead }Park Tool TSB-4

}Park Tool TSB-4

Tooth Count 11

}Topeak Explorer Tubular Rear Disc Rack - MTX 2

stain resistant coating

}Hope Mono Mini Disc Brake Pads Organic Compound

Shimano BT-DN320A Battery - On Component Type 1st Group Brand-Hammerhead }Park Tool TSB-4Shimano 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