Length (without thread/fastening): 24mm

Meets ANSI Z80

they're easily secured with the included set-screws

CNC machined billet aluminum

Sold as a kit

shinko 005 advance framdack 21 Tire Size:120/70V21 Length (without thread/fastening): 24mmShinko 005 Advance Tires The Shinko 005 Advantage Tires are designed with a large block type tread pattern that makes them excellent all around radial tires, offering superior braking, cornering, and acceleration characteristics. The specially designed grooves help to dissipate water efficiently on wet surfaces. Features: Aramid belts enhance high speed performance W speed rated (168 mph) Intermediate rubber compound DOT approved