9/16" bore with all 4 and 6-piston single caliper set-ups

Fits: 75-91 XL

and it has both a taillight & brake light function with ECE approved light smoke or red lens

With white LED background lighting on a black base with two calibration buttons on the bottom

with a simple stick-on double-sided automotive grade tape type installation

pirelli mt 75 framdack mc 17 temp1421 9/16" bore with all 4Pirelli MT75 Tires The Pirelli MT75 Tires let you have it all. A classic style wrapped around a high level of performance and long tread life to meet the demands of modern sport riding. Features: Modern, aggressive tread pattern for high level wet dry weather performance Excellent handling, superior grip and traction in corners and good mileage Tubeless (TL)