Bones Wheels: Double Wides V8 54mm 97A key chain Riders designed 'em

Riders designed 'em

Flex Rating: MediumMore

and the World Speed record under Erik Lundberg

Removable Goggle Strap Lock – For streamlined shell when goggles are worn under the helmet

Bones Wheels: Double Wides V8 54mm 97A key chain Riders designed 'emAbout X Formula About: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all terrains because it absorbs vibration and softens impacts much better than any other wheel in the market. Grip