Vintage Metal Grindplate Rollerblade Blank Ceramic ABEC 7 bearings are

Ceramic ABEC 7 bearings are used by the serious skater

White Undercover Dustin Werbeski wheels

Powerslide Imperial white

A reinforced and supportive hard shell in combination with the reactive Spider 243mm aluminum frame offer great power transfer for more skating fun

Vintage Metal Grindplate Rollerblade Blank Ceramic ABEC 7 bearings areWarning, this product shows heavy use marks. It is not new as sown on the photo Grindplates are used to strenghten a frame and to widen the frame walls to make it better for grinding. They were mostly used in the early 90's and made the aggressive inline skate revolution happen. The distance between center of the wheels can be 10cm max.