High-Precision MR18307 2RS Bicycle Bearings
Premium deep groove ball bearings crafted from hardened chrome steel for unmatched durability and smooth rotation. Features 18x30x7mm dimensions with dual rubber seals (2RS) to block dust and moisture.
Ultra-Smooth Performance
Precision-ground raceways and polished balls reduce friction, ensuring silent operation under heavy loads. Ideal for bicycle wheel hubs, pedals, and high-speed cycling applications.
Built for Heavy-Duty Use
Heat-treated steel construction withstands extreme pressure and repetitive motion. Corrosion-resistant shields extend lifespan, perfect for mountain biking and urban commuting.
Global Wholesale Advantage
Direct factory pricing guarantees unbeatable value for bulk orders. Stocked in multiple warehouses for fast worldwide shipping. Upgrade your bike components affordably.