INSIGHT MX4 2 Piece BMX Racing Crankset with Alloy Spindle. All new for the young riders in BMX racing, an ultralight 2 piece Crank set, featuring a 4 Bolt Spider Arm with a 24mm Alloy Spindle Axle thats press fit into the crank arm. The Non drive side features a dual pinch bolt design to keep the cranks tight and running smooth, all the way to the podium! Designed for younger riders who need a strong crank set up and want to move up to a 2 piece, 24mm axle crank with a 4 bolt spider pattern but need the shorter crank arm length. With the lightweight Alloy Spindle, and a lower weight optional 4 bolt Chain ring, you can really drop the weight of your race bike! Crank Features Forged 6061-T6 Aluminum crank arms 24mm Alloy 7075-T6 spindle axle that is press fit into Drive side, Non Drive side has dual pinch bolts 104mm 4 Bolt Chain Ring Pattern 6 Size options - 140, 145, 152, 155, 160 and 165mm Bottom Bracket not included - For use with a 24mm Bottom Bracket including Press Fit or Euro Style threaded BB's Q Factor 160mm 3 Color Options Black w/ black laser etched graphics Black w/ silver laser etched graphics Black w/ grey laser etched graphics Crank Weights 140mm: 550g - 19.4oz 145mm: 152mm: 568g - 20.0 oz 155mm: 573g - 20.2 oz 160mm: 585g - 20.6 oz 165mm: 593g - 20.8 oz Crank Rider Weight limit: 145 lbs (65KGS)
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