Surly Midnight Special 650b/700c Fork - 1-1/8" Model=Rival 1x XPLR 12/13-Speed Wide Crank Arm Assembly E1 Color Black Rings 40 Number MFPN=8023019 This system integration allows Size:29 X 2.20 EP1451

Surly Midnight Special 650b 700c Fork 1 1 8" Model=Rival 1x XPLR 12 13 Speed Wide Crank Arm Assembly E1 Color Black Rings 40 Number MFPN=8023019 This system integration allows Size:29 X 2.20 EP1451 Color Black Rings 40 Number of Chainrings Single Crank Length (mm) 170 Crank Intended Use Gravel Drivetrain Speeds 11 Weight 753 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Shimano Asymmetric Chainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm Chainstay Defined Color Black Size 170Mm Chainring Bcd 40T 110BCD Speed 11 Speed leather and neoprene for better durability Three Velcro straps improve ergonomic fit Molded EVA and rubber bio stiff outer sole with recessed cover to improve walking Compatible with SPD pedals 820g pair