Two Pack Three Eighths Inch Steel Rear Hub Cups For Mountain Bike Axle Front And Rear Wheel Bearings Durable Black Replacement Parts For Three Eighths Inch Axles Smooth Fit Low Friction Front And Rear Hub Cushions

Two-Pack 3/8-Inch Steel Rear Hub Cups for Mountain Bikes
✔️ 2x steel rear hub cups, outer 30 mm, inner 27 mm, bore 13 mm

These steel rear hub cups fix and support the rear wheel hub, reducing friction and helping maintain stable, smooth rotation on mountain bikes. They are designed for 3/8 inch axles and finished in black for corrosion resistance and durability.

✅ 2-pack includes two hub cups for easy replacement
✅ Steel construction with black coating for durability
✅ Outer diameter 30 mm, inner diameter 27 mm, bore 13 mm, height 10.8 mm
✅ Simple installation and direct replacement for worn or damaged cups

💡 What is a rear hub cup used for in mountain bike maintenance? A handy item that helps position the hub and reduce wear, improving wheel stability. - Helps align hub bearings and preload - Fits 3/8 inch axles and standard mountain bike hubs - Durable steel with corrosion-resistant black coating