Our site shows LIVE INVENTORY. If you can ADD TO CART, the item is IN STOCK.

Promax HF-2 2-Piece Crankset - 1
Promax HF-2 2-Piece Crankset - 2
Promax HF-2 2-Piece Crankset - 3
Promax HF-2 2-Piece Crankset - 4
Promax HF-2 2-Piece Crankset - 5
Promax HF-2 2-Piece Crankset - 6
Promax HF-2 2-Piece Crankset - 7
Promax HF-2 2-Piece Crankset - 8

Promax HF-2 2-Piece Crankset

Save 17%
$249.98 $299.95
  • 170mm / Black
  • 175mm / Blue
  • 180mm / Black
  • 180mm / Red
Secure Checkout

About This Product: Promax HF-2 2-Piece Crankset

Promax HF-2 Cranks. represents the best in Promax’s already illustrious line of cranks. Crafted from 6061-T6 aluminum, and featuring a 24mm chromoly spindle, the HF-2's are super stiff as they are lightweight and durable.

Requires 4-bolt chainring. Bottom bracket sold separately.

SPECIFICATIONS

  • SPINDLE FIT: Designed as 2-pc crank, spindle included and built on to drive arm
  • MATERIAL: 6061-T6 aluminum, Hollow forged arms with 24mm hollow chromoly 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.

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.