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Redline Microline 3-Piece Crank Arm Set

Redline
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About This Product: Redline Microline 3-Piece Crank Arm Set

The Redline Microline 3 Piece BMX Crank Arm Set is cold-forged from 6061 Aluminum and compatible with Square Tapered Bottom Brackets. Available in sizes ranging from 140mm to 170mm.

KEY FEATURES
  • Cold forged 6061 aluminum, 5-arm 110mm B.C.D. Black anodized.
  • BB set, bolts and chainring not included. Use Square Tapered Bottom Bracket.
  • Weights are between 14.3oz / 405g for 140mm, to 15.9oz / 451g for the 170mm.
  • 140,145,150,155,160,165,170mm


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.