New for 2019, we sourced from a European racing wheel manufacturer polyurethane racing wheels with aluminum cores for the growing sport of rollerski racing. We also sell 110 mm race wheels. This is one built wheel with medium grade shielded steel bearings and 6 mm shoulder bearing spacer for 6 mm axle bolts. 

Size: 100x24mm

Weight: 182 grams

78A orange: for skiers up to 176-198 lbs. Regular asphalt, wet and dry conditions

80A green: for skiers weighing over 176 lbs. Normal to smooth dry asphalt