Shimano Bt-dn110 Di2 Internal Mount Battery

  The power house of Shimano Di2 is 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. Using a hard wired battery system which is both light weight and accurate compared to current wireless technology as a wireless system would require 4 batteries: one for the RD one for the FD and one for each shift lever   The use of a single small and discreet internal battery is light weight efficient and creates a robust and reliable system   One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation as this is the main power drain   500 times rechargeable life   Internal chip enables system wireless functionality of Bluetooth components   Battery is to be mounted with seatpost or frame/fork manufactures hardware normally inside the seatpost or seat tube/fork steerer   Reliable and secure water resistant E-tube terminals connection   Charging is done via stem junction or handlebar display   Battery weight is 50 grams  

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Product GTIN: 04550170762490