STA

Seawater-proof structure.

The wire holder is light, less rotation inertia.  

Screw-in rocker arm connection for less rotation margin.

Stainless steel bearings, smooth operation, anti-corrosion and durable.

Stainless steel spindle, anti-corrosion and durable.

Carbon fiber brake pads, brakes are more heat-resistant and more stable.

Aviation alu toothed disc, light and high strength.