1 1/4 Free Spinning Bearing UC206. This is UF's Entry level Bearing. A great bearing for the budget minded racer, fits Standard Cassettes.

1 1/4 Ultra Free Spinning Bearing Large. UF's Expert Level bearing for the extreme performance minded racer. Made for the large cassette.

1 1/4 Ultra Free Spinning Bearing UC206. This is UF's Expert level Bearing. A great bearing for the extreme performance minded racer, fits Standard Cassettes.

1/2 i.d. bearing (1.125" OD) Spindle Bearing

3/4" Wheel Hub Bearing

3/8 i.d. bearing (.875" OD) Spindle Bearing

5/8" Wheel Hub Bearing