Full Speed Ahead Full Speed Ahead SL-K SB20 Carbon Seatpost - 27.2 x 400mm BLK/Gray 11.4018.028.010 120mm wide round center section

120mm wide round center section for mounting accessories

Surly Stainless Steel Track Lockring

Tooth Count 36 Ring Position/Type Single Drivetrain Speeds Single Speed 3/32" Chainring BCD 94 Color Silver Defined Color Silver Material Stainless Steel

Aero design extends to the shape of the indexed four-position quick release

Full Speed Ahead Full Speed Ahead SL-K SB20 Carbon Seatpost - 27.2 x 400mm BLK/Gray 11.4018.028.010 120mm wide round center sectionFull Speed Ahead (Full Speed Ahead ) SL K SB20 Carbon Seatpost 27. 2 x 400mm Black Gray. Features a UD carbon shaft with a bonded alloy head that's lighter and stiffer than ever. UD Carbon shaft with bonded SBS 2 bolt alloy head 6061 T6 alloy and carbon fiber 3K weave tubular construction UD Carbon finish Crhromoly steel hardware TECH SPECS Defined Color Black Weight 235 Offset (mm) 20 Diameter 27. 2 Color Black Material Carbon Clamp Style Standard