The Crupi Expert Cranks-Silver at J&R Bicycles use high-quality materials and advanced engineering to deliver a lightweight yet strong BMX race crank. Built from forged 6061-T6 aluminum alloy, the Expert Race Cranks feature steel pedal inserts for added strength and well as an integrated 104BCD 4-bolt spider for use with a 4-bolt gear. For even more weight savings and durability, this crank is made with a hollow chromoly steel spindle integrated into the drive-side arm. Included pedal washers are to be used at all times and the recommended rider weight limit for the Crupi Expert Race Cranks is 165 lb. SPECIFICATIONS Steel pedal inserts for strength Pedal washers (included) must be used at all times! Hollow 24mm 10-Spline chromoly spindle is permanently pressed into the drive-side arm Built in 104BCD 4-Bolt spider Note: Recommended 165lb Rider Weight Limit Bottom Bracket sold separately Available in silver or black in sizes 152mm - 170mm Weight = 23oz (160mm) Tighten Spindle Bolt to 2-2.5Nm Tighten Pinch Bolts to 12-14Nm
