Shimano BT-DN320 Di2 Internal Battery derailleur road cyclists and gravel grinders

road cyclists and gravel grinders will all find its versatility highly useful

The light automatically detects brake events and intelligently changes output mode to Active Alert - a rapid 150-lumen flash “brake light” mode

these socks will encase your feet with a love like you've never known before

the U-lock can be conveniently and easily transported on your bike without any annoying rattling

Shimano BT-DN320 Di2 Internal Battery derailleur road cyclists and gravel grindersShimano BT DN320 Di2 Battery InternalFull 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 310 MaH provides for more riding on one charge.