Bearing Sleeves (25mm or 28mm) Sale! from $33.00 Size 25mm 28mm Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. These sleeves replace the factory parts that are prone to damage and wear. Garage9 exclusive bearing sleeves snaps into place and are made from a tough, industrial hi-grade polymer. CNC to precision tolerance. Tweet