Box Five Square Taper Crankset
All JIS square taper standard cranks are compatible with all BSA European style square taper bottom brackets.
No. These cranks are designed to not use pedal washers. Installing pedal washers can damage the crank as the pedal will not be threaded in sufficiently.
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.