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Haro Fusion 3-Piece Crankset - 1
Haro Fusion 3-Piece Crankset - 2

Haro Fusion 3-Piece Crankset

  • 175mm / Black
  • 175mm / Silver
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About This Product: Haro Fusion 3-Piece Crankset

The Haro Fusion 3- Piece Crankset feature the same shape as the legendary Haro cranks from the 1980s, but have been casted in today’s 7050 Aluminum to withstand today’s riding needs. The Chromoly threaded pedal boss link up the cranks to the heat treated Chromoly axle. Compatible for either Left or Right hand drive, the Fusion 3-piece crankset will match up with MID or USA bottom bracket shells with the included sealed BB set and adapter cups.


  • Heat treated 7050 alloy arm construction with twin pinch bolt spindle clamps
  • 22mm chromoly spindle with square arm interface
  • Compatiable with MID or USA BB shells (w/ included BB set and adapter cups)
  • Left or Right Hand drive compatible
  • Chromoly pedal boss
  • Weight: 2lbs 3.3ozs (arms and spindle)

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.