SHIMANO D12 INTERNAL BATTERY...
SHIMANO D12 INTERNAL BATTERY, The Shimano Di2 Internal Battery uses a long-life 7.4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you. Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. One charge can give between and kilometre range depending on conditions and front mech operation (as this is the main power drain) and it has and 500 times rechargeable life. Battery is to be mounted with seatpost or frame manufactures hardware normally inside the seatpost or seat tube brand new. £, Birmingham,.