3Racing 48P Spur Gear 72T Ver.2 - 3RAC-SG4872/V2 Racing Spec Spur  [3RAC-SG4872/V2]

3RACING 48 Pitch Spur Gear 72T Ver.2 - 3RAC-SG4872/V2
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4872/V2
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Competitive Spur Gear for Tuned Drivetrains

The 3Racing 48P Spur Gear 72T Ver.2 is produced with a profile suited to racers who demand consistent engagement and controllable torque transfer. Its 48 pitch geometry supports tight mesh setups and predictable backlash characteristics that help with lap time consistency. Use it when dialing in final drive ratios for track specific gearing strategies.

How does tooth count affect acceleration versus top speed?

Higher tooth counts on the spur lower engine RPM at a given pinion, trading acceleration for potential top speed gains. Use telemetry and track testing to select the best balance.

What mesh tolerance should I aim for on race cars?

Aim for a light contact feel with minimal play - typically paper-thin clearance. Excessive preload raises friction, while too much clearance increases impact loads on teeth.

Any tuning tips for endurance events?

Choose slightly more conservative gearing and monitor temperature and wear during long runs. Regular inspections and conservative mesh reduce the risk of mid-race failures.