durometer: 81A height: 0.54" (1,4 cm) diameter cone top: 0.76" (1,95 cm) diameter cone bottom: 0.97" (2,48 cm) type: cone fit for almost every truck  made of high-quality urethane (CH2NO2R) shorter break in time contents: 4 cone bushings, 2 top washers

he Bones 91A Hardcore-Medium Bushings incl. Washer are made of high-quality urethane (CH2NO2R). They are perfect to improve your board feeling. These four bushings fit two trucks. 

Skatepark Formula™ (SPF) is very high quality urethane specifically formulated to resist flatspotting on slick or smooth surfaces while maintaining a higher rebound for a quicker response and a faster roll. Skatepark Formula™ has a high resistance to abrasion while...

Bones® REDS® are manufactured in China to our Bones Skate Rated™ specifications in a manufacturing facility dedicated to producing the highest quality skate bearings in China. They are inspected twice before being shipped to skaters and offer the greatest combination...