Mason Silva Pro Bearings!

Deep Groove Raceways
Balls roll deep in raceway channels
Reduces side impact damage & breakage

Straight Edge, Removable Frictionless Shields
Pop off resistant
Hold oil in, dirt and moisture out
Easy to clean

Micro Groove Raceway Surfaces
Linear micro-groove surfaces improve bearing lubrication, speed and spin

Max Impact Cage Design
Non-distortion custom cage keeps the balls precision spaced
Micro grooves aid in oil circulation

Balls Out Technology
Eliminates shield and cage contact on impact for a go fast, stay fast bearing

High Speed Oil
Custom engineered light oil lubricant is water, oxidation and corrosion resistant for extended wear protection

Factory Fresh Quality - nitrogen filled shrink wrap, reduces metal & oil oxidation until ready to be ridden