Firma Crankset Complete Kit :
Firma Pro 3pc Crank
Firma's Pro 3pc crank is strong, durable and light weight.
It features a 19mm 48 spline axle.
- 170mm Arms RHD only
- 19mm 48 Spline Axle 140mm long
- 25T Firma Sprocket
- Simple classic mid bottom bracket, plain cones supplied with various shims to alter the tuber spacer length.