Bones Swiss Size:7mm S1 batch tests every production

S1 batch tests every production to make sure the S1 Lifer Helmet meets and/or exceeds current helmet safety standards

It is the result of more than 3 years of research and development

Slide on style

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the Arius Platinum is lighter

Bones Swiss Size:7mm S1 batch tests every productionAlmost all skate plate trucks will require 8mm bearings. However, a few require 7mm bearings. These exceptions include some Roll Line plates, certain Bont Plates, and on rare occasion some old school frames. If you are unsure feel free to contact us and we can try to help you figure out the right bearing size for your axles. 8mm or 7mm size pack of 16