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Item #:
181399421
Steel Differential Gear Set, 37T Main Gear & 13T Input Gear for Arrma 1/10 Big Rock, Granite, Vorteks, Senton 3S BLX, Kraton/Outcast 4S BLX, 1/8
Item #:
181399421
IMP 40
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Stronger and more reliable than stock parts, providing smooth, reliable power transfer even in harsh off-road conditions.
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What Stands Out
Durable Steel Construction
Crafted from high-quality steel, this differential gear set ensures long-lasting performance and withstands rigorous use, perfect for intense off-road racing and heavy-duty vehicles.
Precision Compatibility
Designed for specific Arrma models, this gear set guarantees a perfect fit, enhancing gear performance and reliability while effectively reducing slippage and wear.
High Torque Efficiency
With a 37T main and 13T input gear ratio, this set optimizes torque delivery, improving acceleration and overall speed, making it ideal for competitive RC enthusiasts.
Product Details
| Product Dimensions (L x W x H) | 1.97 x 1.97 x 1.38 inches (5 x 5 x 3.5 cm) |
| Item Weight | 3.52 ounces (99.79 grams) |
| Manufacturer recommended age | 15 years and up |
| Manufacturer | Rikavim |
Who Should Buy?
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RC Car Enthusiasts
Ideal for hobbyists seeking to upgrade their vehicles' durability and performance in off-road conditions.
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Competitive Racers
Perfect for racers who require precise gear specifications to enhance speed and handling in competitive settings.
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DIY Modifiers
Great for users looking to customize or reinforce their RC models with reliable steel components for longevity.
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Casual Users
Not suitable for casual users who don’t require high-performance parts for basic operations and play.
Product Description
Steel Differential Gear Set, 37T Main Gear & 13T Input Gear for Arrma 1/10 Big Rock, Granite, Vorteks, Senton 3S BLX, Kraton/Outcast 4S BLX, 1/8 Typhon/Infraction 3S, Replaces AR310872 (Silver)
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Customer Questions & Answers
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Question:
What models is this differential case compatible with?
Answer: It is compatible with various ARRMA models including BIG ROCK, GRANITE, KRATON, SENTON, VORTEKS, INFRACTION, and TYPHON series. -
Question:
Is this product easy to install?
Answer: Yes, the differential case is designed for simple installation with no modifications required. -
Question:
What materials are used in this differential case?
Answer: The case is crafted from tough molded composite, and the gears are made from hardened steel for enhanced strength and durability.
Rikavim Differentials Editorial Review
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23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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Features & Benefits
- Compatible with various ARRMA 1/10 & 1/8 scale models.
- Direct replacement for AR310872, AR310886, and ARAC3711.
- Crafted from tough molded composite for long-term durability.
- Made from hardened steel for superior strength and wear resistance.
- Simple installation with no modifications required.
- Ensures smooth and reliable power transfer in off-road conditions.
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