It has two mounting slots in front

Maximum Wheel Size:  90mm

The slightly wider trucks are paired with 60mm 78a Chubby Hawgs

Engineered specifically for running

you’re always on the move

Luminous LED Inline Wheels 110mm/85a - Green Apple Glow - Sold by the Single Wheel Zoo York It has two mounting slotsThe Luminous LED Inline Skate Wheels These light up as you roll! Great for any time, day or night. NOTE: Comes with 8mm spacer needed to 'light up' the wheel. This wheel to be used with 8mm axles if wanting to "light up". If you have 6mm Axles you can use these on your skates with this spacer adapter. Price: is for a 1 wheel (convenient if you have 6 or 8 wheel skates) Type: All types of skating Hardness: 85A 8mm Spacers Provided 6mm Adapter here. LED