Shimano BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 Ultegra R8150 Systems Compatible SD300 Wires Model=Akita Series Cable Locks Sora Left Crank Arm

Sora Left Crank Arm

Color Black/Silver Ring Position/Type Chain Retaining Single Ring Tooth Count 34 Round or Oval Round Drivetrain Speeds 12 Offset 3 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Aluminum Defined Color Black Defined Color Silver Direct Mount Type Direct Mount SRAM

Features Shimano HG-EV technology for gear combination and cadence management

shift-free fit

Shimano BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 Ultegra R8150 Systems Compatible SD300 Wires Model=Akita Series Cable Locks Sora Left Crank ArmShimano BT DN300 Built In DI2 Battery For Dura Ace 9250 and Ultegra R8150 Systems Compatible with SD300 Wires. Shimano Di2 Batteries. Must purchase battery charger and power cable to complete the system. All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from http: e tubeproject. shimano. com