Roll diameter: 3 x 100 mm. Classic lacing system with textile loops. 3 locking cuffs with Velcro. K2 Trio S 100 product details Men's inline skates Roll diameter: 3 x 100 mm Roller hardness: 90 A Ball bearing: ILQ 7 Soft boot construction Padded, breathable inner shoe Classic lacing system with textile loops 3 locking cuffs with Velcro Trio S-Frame Aluminum Rail Mounted brake Material: synthetic.This item is in the category "Sporting Goods\Outdoor Sports\Inline & Roller Skating\Inline Skates\Women". The seller is "fun-sport-vision-shop" and is located in this country: DE. This item can be shipped worldwide.