Aluminum alloy upper mounts, surface of anodic treatment, Formation of extremely hard, heat-resistant, wwar-resistant, corrosion-resistant aluminum oxide layer.

Enhance feeling of controlling, upgrade more awesome handle.

Cold roll formed, anti-deformed with its excellent steel property and prolonged life span.

Correspond to more changing stroke stable properties can delay the recession, and remain similar viscosity even at extremely high temperatures.

Anti-attrition and spoilage after long-term usage. Reducing the problem of oil leaks.