Spare HX2 Heelys wheel kit for a pair of HX2 shoes. The HX2 line consists of Heelys featuring 2 wheels per shoe.
Notice:
Small fits Heelys:11-5 (UK) / (29-36,5 EUR)
Medium fits Heelys: 6-7 (UK) (38-39 EUR)
To determine the appropriate size for your particular model, simply remove your wheel or plug from the shoe and check the markings.