BALL BEARING NSK 6303DDU SAME AS 6303 2RS Stock Item:Default Title the Unifilter ProComp2 is the

the Unifilter ProComp2 is the perfect choice for riders who demand the best

High-quality coating provides 99% UV protection for your eyes during long rides

Length: 112 mm

Pre-lubricated nylon inner sleeve

Sealed O-Ring technology significantly extends the lifespan of the chain compared to standard non-sealed options

BALL BEARING NSK 6303DDU SAME AS 6303 2RS Stock Item:Default Title the Unifilter ProComp2 is theThis NSK 6303DDU bearing offers premium Japanese engineering for critical high speed applications. It serves as a direct equivalent to the 6303 2RS standard, providing exceptional reliability for wheel hubs or internal gearbox components. Features contact rubber seals for maximum protection against contaminants in harsh environments. High strength steel cages support precise ball alignment under heavy stress. Low noise operation characteristics make