Shimano Deore FC-M6100-1 Left Crank Arm - 170mm Black Upper/Lower-13/19t model Micro Drive 800 and 40 Tubeless Technology Tubeless CheckoutSpec= Includes Bracket and Titanium Bolts Size:130 B-VR7051-B

Shimano Deore FC M6100 1 Left Crank Arm 170mm Black Upper Lower 13 19t model Micro Drive 800 and 40 Tubeless Technology Tubeless CheckoutSpec= Includes Bracket and Titanium Bolts Size:130 B VR7051 B model Micro Drive 800 and KTV Drive Pro lumens 800 front and 150 rear run time up to 35 hrs front and up to 20 hrs rear color satin black black weight 135g front and 50g rear Defined Color Black Rings 30 Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Black Chainline Hub Compatibility 190 197 Hubs Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain BB Included No Pedal Spindle 9 16" Crank Length (mm) 175