Giant King 22mm Hydraulic Brake Master Cylinder with Bracket and Reservoir

The Giant King hydraulic upper pump is a cast-aluminum brake master cylinder with an integrated top reservoir, bar clamp, bracket and built-in brake-light switch — a complete front-brake upgrade for 22mm handlebars.

Key features

• Integrated reservoir — compact one-piece body, no remote hose to route or leak
• Built-in brake-light switch — activates the stop light with lever pull, plug-and-play wiring
• M10 mirror hole — keeps the stock mirror mount on the master cylinder
• 22mm universal clamp — fits ATV, dirt, pit and street bikes with 7/8in bars
• Cast aluminum body — rigid, pressure-stable housing for consistent lever feel

Ideal for

Workshop suppliers and importers covering the repair market: master cylinders are a standard crash-wear and overhaul item across street and off-road fleets. Universal fitment and the included switch make it a direct replacement that mechanics can quote without guessing compatibility.