Redline | BMX Retro Flight Cranks

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As used on the complete Supercross SX250 Bikes, the Redline Flight cranks are one of the most iconic parts that are still made in BMX today! 

  • Tubular chromoly heat treated 4130 cr-mo crank arms
  • Dual Pinch bolts on each arm.
  • Full Wrap Pedal Boss!
  • Redline cr-mo 19mm splined spindle
  • Accepts 9/16" pedals
  • Beautiful chrome plated finish
  • Weight - Right Hand- 11.47 Ounces ( 325 Grams ) Left Hand 10.79 Ounces ( 306 grams ) in 175mm Length
  • Available in 175mm only

Does not come with BB kit. Arms and Spindle only.
Comes with the RETRO Redline Flight Crank Decal applied , just as on the complete Supercross BMX SX250 Complete Bikes.

Add in the Retro Tiger Tooth and the Redline Euro 19mm Euro BB kit for the Complete Package.

Race calendar

Never miss a USABMX national

Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.

Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.