- Loosening proof mechanism
- Cartridge bearing
- Top lock nut, adjusting cone, upper & lower cup are made by A6061T6 light alloy
- Bigger lower cartridge bearing for more durable with sealed mechanism
- Loosening proof mechanism
- Cartridge bearing
- Top lock nut, adjusting cone, upper & lower cup are made by A6061T6 light alloy
- Bigger lower cartridge bearing for more durable with sealed mechanism