High-performance parts for high-performance machines, these axle blocks sliders are made of the best quality aluminum, coupled with our strong UHMW sliders for the best match of strength and sliding ability Made for the extreme riding put on today's motorcycles whether its country road, race tracks, or the daily commute...these Axle block sliders will exceed your expectations Anodized so you can match your bikes styling Designed to protect your bikes rear end Constructed from aerospace grade 6061 T-6 billet aluminum Ultimate strength and unmatched anodized color Laser etched with precision equipment