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Box Four 2-Piece Cranks

Box Components


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
• Chainring sold separately

Speeds: 1
Bottom Bracket Included 68mm BSA external BB
Spindle: 24mm Chromoly
Material: 6061 T-6 Aluminum
Chainline: 44.5mm
BCD: 104mm 4-Bolt
Weight: 900g / 31.7 ounces. (160mm)


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