Rant Bangin 8 Cranks (Black) (170mm)

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Rant Bangin 8 BMX Cranks Description:

The Rant Bangin 8 cranks feature 4130 post-weld heat-treated chromoly arms with wrapped pedal bosses for strength, a single pinch bolt design for easy installation and an 8 spline 19mm chromoly spindle. RHD/LHD compatible. Note: 19mm BB kit sold separately.


  • 4130 post-weld heat-treated chromoly arms
  • Wrapped pedal bosses for strength
  • Single pinch bolt design
  • 8 spline 19mm chromoly spindle
  • RHD/LHD compatible


  • Spindle: 19mm chromoly
  • Spindle Bolts: 8 x 1mm Flush mount (x2)
  • Spindle Splines: 8
  • Drive Side Compatibility: Left & Right
  • Sprocket Bolt: 10 x 1.5mm
  • Color: Black
  • Weight: 35.2 oz (w/o BB)
New cranks deserve a new bottom bracket, click here for a BB Kit that fits these cranks. 

This product was added to our catalog on December 23, 2019

Anthony Grisko
Friday, Jan 21 2022 (about 2 years ago)
Rant Bangin 8 Cranks (Black) (175mm)
Bought cranks and the spindle or 1 of the spindle bolts came stripped because the bolt would come out or loose everyday I rode my bike, I had to carry an Allen key with me so the cranks wouldn’t fall off and I can tighten them every time I rode. Needed bike to get to work and didn’t have the money to buy new ones or send them back so I had to deal with it. Got to the point where I super glued the bolt into the spindle.Horrible cranks that I’d never buy again