Ridiculously Light Carbon Fiber Portal Transmission Gearbox For 1 To 10 Scale RC Crawlers, Low Center Of Gravity Design, Only 30g, 52.5mm By 33.5mm By 18.2mm, Laser Cut Durable Housing For Serious Rock Climbing
✔️ 30g weight, 52.5×33.5×18.2mm, carbon fiber housing, 3:1 ratio
The ultra-compact portal transmission is engineered for 1/10 scale rock crawlers, delivering stability by shaving weight and lowering the center of gravity. Hardened chromoly steel gears and Grade 5 titanium output shafts ensure durability in rugged crawling environments.
✅ Ultra-compact 30g weight and 52.5×33.5×18.2mm footprint
✅ Laser-cut carbon fiber housing with hardened chromoly steel gears
✅ Grade 5 titanium output shafts for rugged use
✅ 3:1 gear ratio with 36T 48P spur gear for torque-rich crawling
✅ Compatible with 11T-18T pinions (not included)
✅ Includes CNC aluminum sliding shim and M3 hardware for 1/10 chassis fit
✅ 25mm motor/27.5mm skid mounting patterns ensure universal 1/10 chassis compatibility
💡 What is a lightweight carbon fiber portal transmission gearbox used for in 1/10 scale RC crawlers?
In short, it shaves weight and lowers the center of gravity to improve handling on rough terrain.
- Reduces rotational mass for quicker throttle response
- Lowers center of gravity for better balance during climbs
- Durable, precise gear mesh for smooth operation under load
- Helps maintain stability on challenging rock courses