Box Four 2-Piece Crankset - boxcomponents

Box Four 2-Piece Crankset

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The Box Four Crankset features a 2-piece design with an oversized bottom bracket interface. The 24mm spindle is pressed into the drive side crank arm for durability and easy installation. The non-drive side crank arm features a 2-bolt pinch system for added strength. Our unique 4-bolt 104 BCD spider features a flex-resistant ring for optimum performance.

Box Four Cranks feature steel pedal inserts which require pedal washers and external sealed bearing BSA bottom brackets, both provided in the box.

  • Oversized Bottom Bracket Interface
  • Durable Cold-Forged Construction
  • Dual Pinch Bolts for Even Clamping Force
  • 4-bolt 104 BCD Spider with Flex-Resistant Ring
  • 24mm Chromoly Spindle

160mm 165mm 170mm
BB (Included) BSA 1.37 BSA 1.37 BSA 1.37
Spindle 24mm Chromoly 24mm Chromoly 24mm Chromoly
Material 6061 T-6 Aluminum 6061 T-6 Aluminum 6061 T-6 Aluminum
Process Cold-Forged Cold-Forged Cold-Forged
Chainline 44.5mm 44.5mm 44.5mm
Weight 900 grams / 31.7 ounces 900 grams / 31.7 ounces 900 grams / 31.7 ounces