The Spire Crank features a proven 2 1/2 piece system combined with a super-tough, box-section arm design that will remain stiff and dent resistant. A strong and reliable crank built to shred.

– RSD & LSD compatible
– Smooth and rounded ankle-friendly spindle boss
– Bore: 22
– Spindle Material: Steel
– Weight: 31.8oz
– Drive Side Compatibility: Right and Left Hand Drive
– Crank Arm Material: Steel
– Crankset Style: 2-Piece
– BB Included: No