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Eclat Spire 2-Piece Crankset - 1
Eclat Spire 2-Piece Crankset - 2

Eclat Spire 2-Piece Crankset

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About This Product: Eclat Spire 2-Piece Crankset

The Eclat Spire 2pc Crankset keeps it simple where it matters. Using the tried and true two and half piece system crank system, Eclat used a box-section arm design casted in heat treated 4130 Chromoly to provide you incredible stiffness and dent resistance. And your ankles will thank you when they don't ding the smoothed and rounded spindle boss bolt.

After a year of letting Bruno Hoffman and the rest of the Eclat PRO team test beat the Spire 2pc cranks, Eclat has produced one of the best 2pc cranks out on the market today.


  • Tubular heat-treated 4130 Chromoly
  • Axle: 22mm chro-mo ultra hollow
  • Right or Left side drive
  • Smooth and rounded spindle boss
  • Weight: 901g (31.78oz) for the 170mm

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.