Wheels Manufacturing SB-6901-2RS sealed bearings 12X24X6mm Bag of 2 Cassette Body Type-Shimano HG Super flexible stretchy silicone allows

Super flexible stretchy silicone allows a secure comfortable ride

Rust and corrosion inhibitors prevent seizure in bike parts

8 x 12mm Black Box of 100

The 10-Series uses economical bearings a split crown race and simpler machining in the cups than Cane Creek's higher end headsets but shares the same internal geometry so replacement parts can be upgraded

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Wheels Manufacturing SB-6901-2RS sealed bearings 12X24X6mm Bag of 2 Cassette Body Type-Shimano HG Super flexible stretchy silicone allowsThe Wheels Manufacturing sealed bearing units are very first quality replacement part, and fit most hubs currently in use. TECH SPECS Number 6901 Bearing Grade ABEC 3 Material Steel Bearing Dimensions 12X24X6mm