High-Precision Replacement Bearings for Smooth, Long-Lasting Performance
Upgrade or repair your bike with confidence using the Wheels Manufacturing 6806 Sealed Cartridge Bearings, engineered for precision, durability, and high-performance cycling. Measuring 30 x 42 x 7mm, these premium steel cartridge bearings are perfect for replacing worn-out bottom bracket, hub, or suspension bearings across a wide range of high-end bikes.
Unlike most aftermarket options using Grade 300 steel (which can be up to 0.3mm out of round), Wheels Manufacturing uses superior grade precision bearings found in Shimano, Campagnolo, and other elite cycling components. The heat-treated steel races and double-sealed design ensure smoother rotation, corrosion resistance, and extended bearing life, even in demanding conditions.
- Precision-Machined Steel Bearings – 30x42x7mm for exact fit
- High-Grade Steel – Same quality used in top-tier Shimano & Campagnolo hubs
- Heat-Treated Steel Races – Increased strength and wear resistance
- Sealed for Longevity – Keeps out moisture, dirt, and grit
- Ideal for Hubs, Bottom Brackets & Suspension Pivots
- Sold as a Pair – Perfect for complete replacements
With a reputation for precision and performance, Wheels Manufacturing cartridge bearings are trusted by bike mechanics and enthusiasts worldwide. Their tight tolerances and long-lasting design ensure smoother operation and a more dependable ride.
Perfect for:
- Mountain bike and road bike bearing replacements
- Bottom bracket, hub, and suspension pivot upgrades
- Riders demanding long-term performance and reliability