Durable Ring Gear for Reliable World Formula Starter Engagement

Gear up for dependable launches using the Ring Gear (SKU 557128), the unsung hero of World Formula starting systems. Pressed onto the flywheel, its 48 teeth engage pull ropes or electric drives with zero slip.

• Case-hardened for 50,000+ engagement cycles
• Precise pitch diameter for smooth meshing
• Balanced to flywheel specs for no wobble
• Heat-treated to withstand kickback forces

Worn rings skip or grind, delaying fires and frustrating crews. This replacement restores snap-action starts, critical in sprint formats where positioning sets the tone. Its robust build handles novice pulls without chipping, extending service windows.

Fitment is plug-and-play: Heat the gear, press on, and align keyway. Mechanics highlight its role in reducing flywheel drag, indirectly aiding RPM climb. For organized ops, it integrates into full starter kits seamlessly.

In endurance, it shines by maintaining tooth integrity lap after lap, preventing mid-race stalls. Customize with lightweight flywheels for quicker spins, amplifying its efficiency. Bottom line: Reliable starts mean more racing, less wrenching.