Box Four 2-Piece Crankset
Box Four Cranks feature steel pedal inserts which require pedal washers and external sealed bearing BSA bottom brackets, both provided in the box.
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.