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Bombshell Spinnergy Pro Cranks - 1
Bombshell Spinnergy Pro Cranks - 2
Bombshell Spinnergy Pro Cranks - 3
Bombshell Spinnergy Pro Cranks - 4
Bombshell Spinnergy Pro Cranks - 5
Bombshell Spinnergy Pro Cranks - 6

Bombshell Spinnergy Pro Cranks

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About This Product: Bombshell Spinnergy Pro Cranks

The Bombshell Spinnergy Pro Cranks are a 2-pc style race crank featuring U.S.A. made CNC machined 6061 aluminum.  The machined arms are designed for weight savings with multiple lines and cut-outs yet provide a stiff and durable tool for power to the drive train.  The Bombshell Spinnergy cranks feature a 4 bolt (104mm) machined spider and a 24mm hollow 7075 aluminum spindle that is permanently attached to the drive side arm (making it a 2-pc crank).

SPINDLE FIT: Designed as a 2-pc crank, spindle included and built on to drive arm. 24mm.
MATERIAL: CNC machined 6061-T6 aluminum arms, 7075 aluminum Hollow 24mm spindle
BOTTOM BRACKET: Sold separately, Outboard 24mm bottom bracket required
CHAINRING: Requires 4-bolt chainring (104mm bolt pattern)
PEDAL FIT: 9/16" (standard for 3pc cranks)
INCLUDES: Right and Left crank arms, spindle and crank arm bolts.

Bottom brackets sold separately. CLICK HERE to see the full listing of bottom brackets for this crank.
175mm: 30.2oz/856g
180mm: 30.8oz/873g

Crank Size Chart

Crank Size Chart
Inseam length Crank Length
Crank Size: Micro, Mini. Junior
Inseam length: 15 - 16 inch Crank length: 130 mm
Inseam length: 16 - 17.5 inch Crank length: 135 mm
Inseam length: 17.5 - 19 inch Crank length: 140 mm
Inseam length: 19 - 20 inch Crank length: 145 mm
Inseam length: 20 - 22 inch Crank length: 150 mm
Crank Size: Junior, Expert, Expert XL
Inseam length: 20 - 22 inch Crank length: 150 mm
Inseam length: 22 - 23 inch Crank length: 155 mm
Inseam length: 23 - 25 inch Crank length: 160 mm
Inseam length: 25 - 26 inch Crank length: 165 mm
Crank Size: Pro and Larger
Inseam length: 26 - 27 inch Crank length: 170 mm
Inseam length: 27 - 28 inch Crank length: 175 mm
Inseam length: 28 - 30 inch Crank length: 177.5 mm
Inseam length: 30 - 31 inch Crank length: 180 mm
Inseam length: 31 - 32 inch Crank length: 185 mm
Inseam length: 33+ inch Crank length: 190 mm

How To Measure Your Inseam

  1. Start with a pair of pants you already have that fit you well and lay them flat on the floor.
  2. Carefully measure the length from the crotch seam to the bottom of the leg.
  3. THIS NUMBER IS YOUR INSEAM. Use this number to help you choose your cranks.