Ultra-thin wall chromoly tubular arms that offer superior stiffness for smaller racers. Each chromoly Mini Crankarm weighs less than a solid aluminum arm of equal length. Titanium Gun Drilled Hollow (GDH) axle with chromo GDH axle bolts. Titanium GDH axle bolt upgrade available. Ti Sprocket Bolt is INCLUDED.

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Product Specs

1. Type: 3 pc
2. Spindle Diameter: 19mm
3. Includes BB Bearings: No
4. Weight: 18.41 oz – 19.15 oz