Four Piece Bicycle Ball Bearing Retainer Kit With One Quarter Inch Bore And Seven Ball Bearings, Replacement Hub Bearings For Front And Rear Axles, Crank Bottom Bracket Repair Parts For Mountain, Road, Hybrid And Kids Bikes Ready To Roll

Four-Piece Bicycle Bearing Retainer Kit for Front and Rear Hubs
✔️ 4 pieces, 1/4 inch bore, 25mm OD, 12mm ID, 6mm balls

This four-piece bearing retainer kit provides ready-to-install wheel hub and crank bottom bracket bearings for mountain, road, hybrid, and kids bikes. It replaces worn retainers in front hubs, rear hubs, and bottom brackets, helping restore smooth rolling performance by reducing friction.

✅ Outer diameter: 25mm (0.98 in), Inner diameter: 12mm (0.47 in), Ball diameter: 6mm (0.24 in)
✅ Material: steel, color: silver
✅ Package contains: 4 pieces (4Pcs)
✅ Fits front hubs, rear hubs, and bottom brackets on mountain, road, hybrid, and kids bikes
✅ Easy installation: pre-assembled retainer cages for quick replacement

💡 What is a bicycle bearing retainer kit used for and why replace worn hubs and bottom brackets?

A bearing retainer kit helps you refresh worn bearings and maintain smooth operation. - Sealed ball bearing retainer aids smooth rotation in hubs and crank areas - Direct replacement for worn bearings in front/rear hubs and bottom brackets - Reduces friction, noise, and pedaling effort for daily rides