Tripeak ABEC5 Bearing #6904 (20x37x9mm)
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Super high-performance ABEC 5 with our legendary Ceramic Nitride Pro Series lightweight balls, nylon cage, dual removable and fully serviceable rubber seals, and the optimal amount of 100% synthetic American ACERGoo lubrication.
- Roll Smoothly - Internal G5 steel ball and synthetic grease, minimize friction and improve rotation efficiency.
- Without Backlash - Under the condition of non-load, the radial swing play is within the 9um range.
- Specialized recommends you replace these about once every 6 months with aggressive riding and once a year for passive riding.
|Inner Diameter||20 mm|
|Outer Diameter||37 mm|