Key features

• •7MM SKATES FIT: Set of 16 precision 627 bearings, 7x22x7mm size, 22mm outer and 7mm inner bore diameter, as replacement parts for retro vintage dance quad roller skates and other 7mm axles skates, engineered for smooth rides with high-performance skate-grade quality.
• •OUTDOOR USE: Design for park, seasonal skating, premium 420 stainless steel of inner/outer races, offering enhanced precision and corrosion proof of longevity than chrome steel, barely effect the hardness and strength.
• •READY TO SKATE: Pre-lubricated with high-load thick grease, slightly slow spin but easy control, less maintenance than oil lubed, deliver more stability in rough conditions and more protection against wear and tear, enough absorb shocks and vibrations, ensuring a comfortable skating experience.
• •DOUBLE SEALS: Unlike shieldless or single-shield, paring with dual no-contact seals that effectively keeping out dirt and debris without losing much speed, unique color also adds a stylish touch to complement your wheels.
• •CHECK FOR DURABLE: Checked twice before packaging, no one accept high vibration, squeaky noisy bearings ruin the entire set. We inspected carefully and ensure every bearing on noise-free, smooth, durable condition.