Stages SB20 - Drive Belt Adjustments (2025)
STAGES SB20 DRIVE BELT ADJUSTMENT (2025 Update) I adjust my SB20 drive belt once a year to keep things running smoothly. I wish this process was easier. With practice, you can complete all adjustments in less than 30 minutes. UPDATED: December 2025 - New video and pictures. Simpler procedures. 📐 These instructions augment the Stages support documents: Belt Tension Adjustment (SB20) Flywheel Making Noises . TWO GOALS Adjusting the drive belt accomplishes a couple of things: Gets belt tension right. Optimal tension means quieter running and no slipping during hard efforts. Aligns the belt to ride as much as possible in the centre of the flywheel cogs. This reduces friction and positions the front axle perpendicular to the drive belt. 🎬 VIDEO Here's a new four minute video showing how to adjust tension and align the drive belt. The Details Part Names Here are part names related to drive belt adjustment. SIMPLIFIED BELT ADJUSTMENT 🔈 2025 Update - Here is the si...