Stan's Drivetrain Cleaner Product Archive This seal is positioned between

This seal is positioned between the freehub and hub shell on all E-sync hubs

Constructed of 6061 aluminum with a reinforced spoke bed and eyeletted spoke holes for strength

With only 1

freehub shield

The combined result is a hub with a 47% higher max torque capacity than our original hub design

Stan's Drivetrain Cleaner Product Archive This seal is positioned betweenStans Drivetrain Cleaner delivers powerful, pro level cleaning that cuts through grease, grit, and grime to restore smooth, efficient drivetrain performance across road, MTB, gravel, e bike, and commuter bikes. Its plant derived chemistry targets buildup while remaining safe for carbon frames, rubber seals, and anodized finishes, so both professional mechanics and everyday riders can clean confidently without risking damage to components. Odorless,