Features a heat-treated 4130 chromoly outer plate and 4140 backbone for increased strength, durability and near perfect alignment. The pedal bosses and the backbone are all 1-pc which reduces welds in a high stress area. Chromoly 19mm 48 spline spindle with flush mount bolts. RHD/LHD compatible.Pinch Bolts: N/ASpindle: 19mm Solid ChromolySpindle Bolts: 3/8"x24tpi Flush Mount (x2)Spindle Splines: 48Sprocket Bolt: 10x1.5mm (x1)Weight: 31.8 oz (w/o BB)900g
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