Profile No Boss Race Cranks Handlebars so only spline drive sprocket

so only spline drive sprocket must and can be used

material: CNC-machined 6061 aluminum hub-shell | 14mm Hollow Heat-Treated Chromoly axle | 1-pc chromoly driver

rear rim: 700c

thread: P1

Profile No Boss Race Cranks Handlebars so only spline drive sprocketstyle: RHD (right hand drive) LHD (left hand drive) compatible only compatible with spline drive sprockets material: 4130 chromoly arms chromo spindle chromo axle bolts and washers spindle: 19mm hollow 48 spline 5,625 inch (for Mid,American,Spanish,and internal Euro BBs) spindle bolts: 12mm x 1,25mm arm length: choose available arm length in the size menu above additional information: no sprocket boss, so only spline drive sprocket must and can be used