Upgrade Your Spin With These Super Smooth 10-Pack YoYo Ball Bearings Perfect For Duncan ProYo And Other Classic Spins, Built From Heavy Chrome Steel To Reach Wild Speeds Up To 71K Rpm While Double Metal Shields Keep Dust Out So You Can Stay Lit On Tricks

10 Bearings YoYo Ball Bearings for ProYo and Duncan YoYos, Made from high-strength chrome steel for durability and performance and can rotate up to 71000 rpm, each Comes with double metal shields (ZZ) to keep out dust and dirt, additionally, these bearings come pre-lubricated with grease for smooth operation.

• Double Shielded Ball Bearings
• Fits: ProYo & Duncan YoYos
• Deep groove ball bearings
• Shield Double Metal Shields for dust protection (ZZ)
• Lubrication: Pre-lubricated with grease
• Quantity: 10 Bearings
• Packing: 10 bearings in 1 plastic tube