Box Four 2-Piece Crankset

$169.99 Sale Save
Size 160mm
Color Black

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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 that require pedal washers and external sealed bearing BSA bottom brackets, and both are provided in the box.

    For compatibility questions, please click here

    Weight Limit: 115kg (253 lbs) with limitations as per Category 2 of EN 16054:2012 Standard

      Oversized Bottom Bracket Interface
      Dual Pinch Bolts for Even Clamping Force
      Spider with Flex-Resistant Ring

      • Arms: 6061-T6 Aluminum
      • Spindle: Chromoly Steel
      • Arms: Cold-Forged & CNC
      • Spindle: CNC Turned
      Finish: Anodized w/Laser-Etched Graphics
      Chainline: 44.5mm
      Q Factor: 168mm
      Spindle: 24mm Included
      Bottom Bracket: BSA 1.37 Included
      Torque Specs: 12-14 Nm
      • Chainring: 4-bolt 104 BCD
      Size & Weight:
      • 160mm / 900 g / 31.7 oz
      • 165mm / 900 g / 31.7 oz
      • 170mm / 900 g / 31.7 oz

      Box Two Chainring
      Box One Chromoly Chainring Bolts
      Box One 7075 Alloy Chainring Bolts
      Box Two 24mm bottom bracket
      Box Extremum RacePrep bottom bracket