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Crupi Pro Race Crank Arm Set - 1
Crupi Pro Race Crank Arm Set - 2

Crupi Pro Race Crank Arm Set

Crupi
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About This Product: Crupi Pro Race Crank Arm Set

PRODUCT DETAILS

The Crupi Pro Race Crank Set features 6061-T6 aluminum arms which have a completely new shape, better strength/weight ratio and a whole new attitude. Based on the Rhythm Pro crank design, but improved.

  • New proprietary shape and design resulting in a stronger/stiffer crank
  • Stronger chain ring bolt eyelets
  • 24mm 10-Spline hollow chromoly spindle
  • Available in silver and black
  • 104BCD in sizes 165, 170, 175 and 180mm
  • Steel pedal inserts for strength
  • Bottom Bracket sold separately
  • Weight = 29.02oz (175mm)
    

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.