SRAM Force Wide Crank Arm Assembly - 175mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Iridescent Gray D2 MFPN=TK-RTB-0_6L-ADPT Shimano Di2 Frame Junction BoxFrame

Shimano Di2 Frame Junction BoxFrame Junction Box connects via SD50 E-tube wires to four different points: front derailleur rear derailleur cockpit junction box and battery mount

Carbon Tuned crank technology provides extreme stiffness and SRAMs lightest weight crankset

A pure race saddle and is flat from nose to tail to give you the ability to move around effortlessly while still putting down the power

Color Black Rings 36/22 Number of Chainrings Double Crank Length (mm) 175 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 BB Included No Pedal Spindle 9/16" Spindle Interface Type Square Taper JIS Chainring BCD Riveted Chainline/Hub Compatibility 141/148 Boost Hubs Designed for ebike Yes Defined Color Black

Quick-release clamp rotates 360 degress and features soft non-marring rubber jaws

SRAM Force Wide Crank Arm Assembly - 175mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Iridescent Gray D2 MFPN=TK-RTB-0_6L-ADPT Shimano Di2 Frame Junction BoxFrameSRAM Force Wide Crank Arm Assembly 175mm 12 Speed 8 Bolt Direct Mount DUB Spindle Interface Iridescent Gray D2. This SRAM Force Wide carbon crank arm assembly features stunning Force AXS graphics. The 8 bolt interface will fit any SRAM AXS spider or integrated chainring with or without power. The light stiff and durable DUB spindle interface also fits nearly any frame. 8 bolt interface compatible with power and non power AXS spidersand integrated