Quality boxed Single Speed chainset (including both LH & RH cranks) with 46T 1/8" replaceable 130BCD alloy chainring, SCM435 etched logo bolts and including crank arm bolts. Polished 170mm forged alloy crank arms with Sturmey Archer branding to suit square taper bottom brackets with diamond interface. Weighs c. 751 grams and is recommended for use with a 68 x 103mm bottom bracket.