USD $‎149.99

Box Four 2-Piece Crankset

FEATURES
  • • 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

  • SPECIFICATIONS
    160mm165mm170mm
    BB (Included)BSA 1.37BSA 1.37BSA 1.37
    Spindle24mm Chromoly24mm Chromoly24mm Chromoly
    Material6061 T-6 Aluminum6061 T-6 Aluminum6061 T-6 Aluminum
    ProcessCold-ForgedCold-ForgedCold-Forged
    Chainline44.5mm44.5mm44.5mm
    Weight900 grams / 31.7 ounces900 grams / 31.7 ounces900 grams / 31.7 ounces
    SKU: BX-CK174
    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.

  • • Box Two Chainring
  • • Box One Chromoly Chainring Bolts
  • • Box One 7075 Alloy Chainring Bolts
  • • Box Two 24mm Bottom Bracket
  • • Box Extremum RacePrep Bottom Bracket
  • Yes. Not installing the pedal washers will damage the crank pedal insert and void any warranty.

    The cranks are designed to specifically for 68mm wide BMX bottom bracket shells and require no spacers. Spacers may be required if your frame has a bottom bracket shell that is less than 68mm wide.

    No. A chainring can only be installed on the inside of the spider.

    No. A loose pedal will damage the crank and can cause injury. Always ensure that your pedals are tightened correctly.

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