RDR vented performance clutch drum (clutch bell) for GY6 125cc/150cc scooters, ATVs, and Honda Navi 110 — 19-spline hub, 125mm inner diameter, multi-window vented outer chassis for heat dissipation, and a friction-enhanced inner wall that eliminates clutch slip, shudder, and thermal glazing. Precision balanced. Direct replacement or performance upgrade over stock. SKU: 169-497 | MPN: RL-1103.
Features
- 6-window vented chassis — channels clutch dust and heat away to prevent thermal glazing
- Friction-enhanced inner wall — improves pad bite and eliminates off-the-line shudder and slip
- Precision computer-balanced during manufacturing — eliminates high-RPM vibration
- Lightweight design — reduces rotating mass for faster throttle response vs. stock casting
- 19-spline hub — direct drop-in for GY6 125/150cc QMI152/QMJ152 and QMI157/QMJ157 platforms
Specifications
- Brand: RDR
- SKU: 169-497 | MPN: RL-1103
- Inner diameter (ID): 125mm
- Outer diameter (OD): 137mm
- Spline count: 19
- Spline ID peak-to-peak: 13.5mm
- Spline ID valley-to-valley: 15mm
- Material: High-tensile machined steel alloy
- Made in China
Model Fitment
| Application |
Compatible Models |
| GY6 125/150cc Scooters |
All models with QMI152/QMJ152 or QMI157/QMJ157 4-stroke engines (TaoTao, Wolf Brand, Ice Bear, Bintelli, Lance, Maddog, Jonway, and others) |
| Honda Navi 110 |
Direct upgrade over stock clutch bell |
| GY6 ATVs, Go-Karts, Buggies |
150cc GY6 off-road builds requiring 19-spline setup (Trailmaster, Carter Talon, Hammerhead) |
Installation note: Always inspect clutch pads before installing a new drum. Glazed, worn, or grease-contaminated pads should be sanded flat or replaced. Torque the clutch bell nut to factory spec. Mismatched pad condition can cause premature wear on the new drum's inner surface.
