Available in a clean white color from the Spitfire and Grimple Stix collaborative collection, the classic-shaped Formula Four wheels arrive with a comfy 53mm diameter, a versatile 99a durometer and a co-branded graphic printed on the sidewalls. Perfe
Available in a clean white color from the Spitfire and Grimple Stix collaborative collection, the classic-shaped Formula Four wheels arrive with a comfy 53mm diameter, a versatile 99a durometer and a co-branded graphic printed on the sidewalls. Perfe
