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【PRECISION SPECIFICATIONS】This 48 pitch 86T spur gear set is engineered for 1/10 scale RC vehicles, featuring a high-precision 48P pitch and 86 teeth main gear, accompanied by 19T and 21T pinion gears, specifically designed as a direct replacement for part numbers 4686, 4676, and 4690 to ensure a perfect mechanical fit.
【OPTIMIZED TRANSMISSION FUNCTION】By offering multiple pinion gear options (19T/21T), this set allows you to fine-tune your RC car's gear ratio, changing the pinion count helps you achieve the ideal balance between rapid acceleration (torque) and maximum top speed based on different track conditions or terrains.
【HEAVY-DUTY HARDENED STEEL】Crafted from premium heavy-duty hardened steel, our gears offer superior wear resistance and a significantly longer lifespan compared to stock plastic parts, the robust construction ensures smooth rolling and low noise even under high-torque brushless motor stress.
【SIMPLE INSTALLATION GUIDE】Designed for a hassle-free direct replacement, for optimal performance, we recommend using the provided screws to securely lock the gears, please ensure proper gear mesh alignment before running to prevent premature wear and maximize power transfer efficiency.
【VERSATILE UPGRADE SCENARIOS】Ideal for RC enthusiasts looking to upgrade their 1/10 Slash 2WD, Rustler 2WD, or Stampede 2WD models, whether you are backyard bashing, racing on dirt tracks, or performing high-speed runs, this durable gear set provides the reliability needed for intense RC action.

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Specifications:

Material: Heavy-duty Hardened Steel

Pitch: 48P

Spur Gear: 86T

Pinion Gears: 19T, 21T

Compatibility: Compatible with Traxxas 1/10 Slash 2WD / Stampede 2WD / Rustler 2WD

Replacement Parts: 4686, 4676, 4690

Detailed Usage:

Remove the original gear cover and the old spur gear.

Slide the new 86T spur gear onto the transmission shaft and secure it.

Choose the 19T pinion for more torque/acceleration or the 21T for higher top speed.

Adjust the motor position to ensure a small gap (about the thickness of a piece of paper) exists between the teeth.

Tighten all screws and reinstall the gear cover.

Application:

Perfect for RC hobbyists seeking a durable metal upgrade over plastic gears. Suitable for off-road racing, jumping, and high-speed pavement driving. This set is a must-have for those running high-power LiPo batteries and brushless systems where strength is critical.

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مجموعة نقل الحركة الفولاذية 86T Spur Gear 48P متوافقة مع Traxxas Slash 2WD Rustler Stampede ترقيات مع 19T 21T Pinions Gears استبدال 4686

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