Saris Cycling Cycleops Powertap Rear HUB Hybrid Ceramic Ball Bearing Inner Diameter - 1.785 inch (1.785") the NJ309 inner diameter is

the NJ309 inner diameter is 45mm

✅ Bearing Number / Housing Number: UC205-16 / P205

measuring tools

VB025CP0 is ABEC 1 quality

Saris Cycling Cycleops Powertap Rear HUB Hybrid Ceramic Ball Bearing Inner Diameter - 1.785 inch (1.785") the NJ309 inner diameter isHybrid Ceramic Bearings for Powertap Rear Hub Set of 4 Rubber Sealed, Ultra Light Ceramic Balls This 4 pack of hybrid ceramic deep groove bearings is built for Saris CycleOps Powertap rear hubs. Featuring corrosion resistant steel rings and ultra light ceramic balls, these bearings deliver smooth, low friction performance with long lasting reliability perfect for cyclists chasing precision and speed. Hybrid design: ceramic balls + chrome steel rings