Bones X-Formula is a brand new urethane formula from the scientists over at Bones Wheels.
It’s designed to offer the shock absorption of a softer wheel with the slide of a harder urethane. Coming in a 97a and a 99a hardness, Bones X-Formula still retains a fast roll speed because of it’s extremely high rebound! Being a high quality urethane, X-Formula is built to last as long as possible and resist flatspotting.
Key Features:
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Size: 53mm
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Shape: V1
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Urethane: X-Formula
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Hardness: 99a