Feature 8 pack 76mm 84A roller skating wheels replacement, which in line with the needs of one pair of roller shoes to let you enjoy skating activities better. (1)Use abrasion-resistant and high elastic rubber material to integrally molded, help maintain control while skating with increased grip. (2)Mute and soft enough to absorb some of the bumps to let Inline skaters enjoy a smoother and quieter ride. (3)Matched aluminum Bearings, improves precision, provides flexible rotation for wheels. And it can also withstand a certain weight to improve durability. (4)Perfectly suitable for daily practice, recreational skating, hockey skating and artistic skating. (5)Replacements for inline skate wheels, caster-boards even luggage case wheels. Material: Constructed from superior wear-resistant PU material, offers durable use experience without easily cracking. Size: 76mm 84A Package include: 8X roller skating wheels 8X white plastic spacer note: (1)If the inner buckle of the wheel core is loose, it is recommened you could add a little bit of paper between the white plastic lip and the bearing to better fix the wheel. (2)the white plastic spacer is suitable for 6mm axle, but if you pull it out, the wheel would be suitable for 8mm axle. Please check the specifications in the product image to ensure it match your skates, and the package doesn't include any axles or screws.?Note?-- the white plastic spacer is suitable for 6mm axle, but if you pull it out, the wheel would be suitable for 8mm axle. Please check the specifications in the product image to ensure it match your skates, and the package doesn't include any axles or screws. ?Ulter-Quite Design?-- High-tech elastic material makes movements easy and noiseless. Perfectly suitable for indoor daily practice, recreational skating, extremely handy and practical. ?Hardness?-- This skate wheels hardness is 84A, which is great replacement for inline skates, luggage case wheels and roller skate wheels. But it's mainly used indoors, not recommended to use on uneven ground and use for sliding/ braking skating. ?High Quality?-- It adopted abrasion-resistant, high-density urethane material and super high-rebound PU, wear-resistant and solid, offers durable use experience without easily cracking. ?Size ? -- 76mm wheel diameter, 24mm wheel thickness, 84A hardness; bearing inner diameter 8mm, white plastic spacer inner diameter 6mm.Date First Available: August 25, 2020. Best Sellers Rank: #116,385 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 88 ratings 4.4 out of 5 stars. : B08GLTGJFB. Size: ?76mm 84A. Part Number: ?ABEC. Manufacturer: ?XMSound. Brand Name: ?XMSound. Package Weight: ?0.84 Kilograms. Item Package Dimensions L x W x H: ?8.11 x 6.34 x 2.48 inches.