SB20 - Flywheel Cog and Axle Bearing Service
Can You Service Sealed Bearings? Sealed bearings, like those in the SB20 flywheel, can be serviced to extend their lifespan. You can often reduce the rumbling sounds and vibrations that occur after several years of use. ✅ Bearings with plastic dust seals are serviceable . You can remove the seal, add grease and then replace the seal in a few minutes. The Axle and Cog Bearings have plastic dust seals. This post shows you how to service them. ⚠️ The Flywheel Bearings have metal dust seals that are not easily removed. I offer partial servicing and replacement options in SB20 - Advanced Flywheel Servicing . What about Clicking Sounds? "Clicking sounds" are a common issue with the SB20 flywheel. This happens when the outer ring of a bearing moves side-to-side . 🔬 Stages issued a service bulletin to address the issue: Flywheel Bearing PTFE Application . It tells you to spray lubricant into one bearing on each side of the flywheel. I m...
