- Upper Cup: Zero Stack 44 (ZS44) press-fit cup for 1-1/8" bearing.
- Upper Bearing: 1-1/8" - 41.8mm OD x 30.5mm ID x 6.5mm Thick (45x45 degree).
- Lower Cup: Zero Stack 55.9 (ZS56) press-fit cup for 1.5" bearing.
- Lower Bearing: 1.5" - 52mm OD x 40mm ID x 7mm Thick (45x45 degree)
- 48mm OD flush top cover.
- Split plastic compression ring.
- Split 1.5" alloy crown race.

