Hydra2 Classic Boost 6 Bolt Rear Hub

6 Pawl Freehub 145t Drive Ring eBike ready 870 P.O.E 0.41° Engagement 60% less coasting drag than its predecessor 65% thicker axle. Redesigned to dissipate stress more effectively. Larger 6903 bearings throughout, and a new labyrinth channel and full-contact radial lip seal to keep out elements that can cause premature bearing wear. A new design to ensure consistent bearing preload, regardless of variations in axle tightness. Larger, 5.5mm pawl pockets that dissipate force 26% better, preventing stretching and elongation of the pockets. Tougher drive ring metal and an extra tooth on each pawl, guaranteeing Hydra2 can easily handle the torque of the most powerful ebike motors.