BK-5900 - 8.01x11/15x12.7/39.40mm Shock-Eye Needle Bearing Kit TH-873 caustic chemicals and UV makes

caustic chemicals and UV makes these pulleys highly durable

The black-oxide treatment provides an extra level of corrosion resistance and extended worry-free performance

For the complete bottom bracket assembly

We are so confident in the quality and performance of these bearings

BK-5900 - 8.01x11/15x12.7/39.40mm Shock-Eye Needle Bearing Kit TH-873 caustic chemicals and UV makesBK 5900 8. 01x11 15x12. 7 39. 40mm Shock Eye Needle Bearing Kit This is a less common size of Shock Eye Needle Kit for 8mm mounting bolt, 15mm ID shock eye and 39. 40mm mount width. Full dimensions: Inner Race ID 8. 01mm Inner Race OD 11mm Inner Race Width 39. 40mm Needle Bearing OD 15mm Needle Bearing Width 12. 7mm (1 2) Overall Width 39. 40mm