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Redline Microline 2-Piece OEM Cranks-170mm - 1
Redline Microline 2-Piece OEM Cranks-170mm - 2

Redline Microline 2-Piece OEM Cranks-170mm

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About This Product: Redline Microline 2-Piece OEM Cranks-170mm

These are take-offs from brand-new never-ridden 2012 Redline Flight Complete Bicycles.

  • Cold forged 6061 aluminum
  • 5-arm 110mm B.C.D.
  • Black anodized or Red Powder Coated
  • Oversized hollow pipe spindle
  • Sealed-bearing external-bearing BB set and Redline 39t Chainring are included
  • Light & strong. A complete set (arms, spindle and BB set) weighs between only 22.8 oz (638g) to 24.9 oz (696g)!

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.