TRX9553X

Overview

The Traxxas Stub Axles, Hardened Steel (2) represent the ultimate driveline upgrade for your Sledge 1/8 scale RC monster truck. Whether you're a seasoned RC enthusiast running your vehicle at the track or a weekend basher pushing your truck to its limits on rough terrain, these hardened steel front stub axles are engineered to deliver maximum strength and durability where it matters most. If you've invested in a Traxxas Sledge and want to unlock its full potential, these stub axles are an essential upgrade that will transform your driving experience and keep your RC truck performing at its peak.

Built from premium hardened steel, these stub axles are specifically designed to work as a standard replacement for the upgraded 9655X front constant-velocity driveshafts, making them the perfect match for high-performance driving. What sets these stub axles apart is their versatility — whilst they are engineered as the ideal partner for Traxxas's premium steel CV driveshafts, they also remain fully compatible with Sledge's standard front CV driveshafts. This means whether you're running an upgraded driveline setup or using the factory equipment, these hardened steel axles will integrate seamlessly into your transmission system. Sold as a pair, you get both front stub axles needed for a complete driveline upgrade on your Sledge RC truck.

For UK RC enthusiasts looking to upgrade their brushless RC monster truck with quality transmission components, these Traxxas stub axles deliver the kind of reliability and strength that comes from decades of engineering excellence. If you're serious about getting the best performance from your ready-to-run RC truck or if you're building a competition-grade setup, this is a tune-up option that delivers real, measurable improvements to drivetrain durability and handling response.

Key Features

• Hardened Steel Construction — These stub axles are manufactured from premium hardened steel rather than standard materials, which means they resist wear, bending and deformation far better than softer alternatives. This hardened metallurgy is crucial when you're running high-torque brushless motors and demanding terrain, as it prevents the axles from flexing or breaking under load, keeping your driveline secure and responsive.
• Standard Replacement for 9655X Front CV Driveshafts — These stub axles are engineered as the perfect partner component for Traxxas's upgraded 9655X steel constant-velocity driveshafts. If you've upgraded to those premium CV shafts, these hardened steel stub axles deliver the matching quality and strength needed to create a truly upgraded driveline system that works in harmony.
• Compatible with Both Upgraded and Standard Driveshafts — Offering excellent flexibility, these stub axles work with the upgraded 9655X front CV driveshafts and also remain fully compatible with Sledge's factory standard front CV driveshafts. This means you can upgrade at your own pace without needing to replace multiple components at once, making this a sensible upgrade path for any Sledge owner.
• Sold as a Pair — You receive both front stub axles needed to complete a full driveline upgrade on your Sledge. This eliminates the need to purchase multiple items and ensures your left and right driveline components are matched and balanced.
• Transmission Tune-Up Category — These components fall squarely into the transmission tune-up category, meaning they directly impact how power is delivered from your brushless motor to the wheels. Upgrading the driveline with premium components like these hardened steel axles improves efficiency, reduces power loss and creates a more direct connection between motor and tyres.
• Purpose-Built for Sledge Platform — Traxxas designed these stub axles specifically for the Sledge 1/8 scale 4WD brushless electric monster truck. This platform-specific engineering ensures perfect fitment and optimal performance characteristics tuned to the Sledge's suspension, weight distribution and power delivery characteristics.

Technical Performance

The engineering philosophy behind these hardened steel stub axles centres on delivering superior durability without compromising the responsive handling characteristics of your Sledge RC truck. Hardened steel is a precision-engineered material that undergoes specialised heat treatment processes to increase its hardness and wear resistance whilst maintaining the structural integrity needed for demanding RC applications. When you run a brushless 1/8 scale RC monster truck at high speeds across rough terrain, the driveline components experience tremendous stress — accelerating and decelerating loads, twisting forces from cornering, and impacts from jumps and obstacles all place extreme demands on every component in the transmission chain. By upgrading to hardened steel stub axles, you dramatically reduce the risk of axle flex, permanent deformation or catastrophic breakage that could leave you stranded at the track or in the field. The performance benefit manifests as improved throttle response, more consistent handling characteristics throughout a run, and increased reliability that means less downtime and more driving enjoyment. These stub axles integrate directly with your constant-velocity driveshafts to create a driveline that can handle the output of modern brushless motors in the Sledge platform without degradation. Whether you're running 2S, 3S, or 4S LiPo battery configurations with your Sledge, these hardened steel axles deliver the same level of durability and performance, making them a universal upgrade that enhances any Sledge build. For racers who demand consistent performance lap after lap, or bashers who want maximum durability and minimal maintenance, these components represent a worthwhile investment in transmission reliability.

What's in the Box

• Hardened steel front stub axles × 2

Frequently Asked Questions

• Are these stub axles compatible with all versions of the Traxxas Sledge RC truck? — Yes, these hardened steel stub axles are designed to fit all Traxxas Sledge variants, including the Sledge Belted 1:8 4WD Brushless Electric Monster Truck in all colour options (green, red, blue, and orange). They are a standard transmission component for the Sledge platform and will integrate seamlessly with any Sledge model you own.
• Do I need to upgrade other driveline components at the same time? — Whilst these stub axles work with both Sledge's standard factory CV driveshafts and the upgraded 9655X steel constant-velocity driveshafts, they are engineered as the ideal partner for the premium 9655X CV driveshafts. You can upgrade just the stub axles if your factory driveshafts are still in good condition, or you can create a fully upgraded driveline by purchasing both components together for maximum durability and performance.
• What is the advantage of hardened steel over standard materials? — Hardened steel undergoes specialised heat treatment to increase its hardness, wear resistance and ability to withstand extreme stress. Compared to softer steel or aluminium alternatives, hardened steel axles resist bending, flex and deformation — meaning your driveline maintains its structural integrity even when running high-torque brushless motors on rough terrain or at full throttle. This translates to more consistent performance, better handling response and significantly reduced risk of drivetrain failure.
• Can I use these stub axles if I'm running a 2S, 3S or 4S LiPo battery? — Yes, these stub axles are designed to handle the torque and power output from brushless motors across all standard LiPo battery configurations used in the Sledge platform. Whether you're running conservative 2S power or pushing your truck hard on 4S, the hardened steel construction delivers reliable performance and durability.
• Are these a direct bolt-on fit with no modifications needed? — These stub axles are engineered as a direct replacement transmission component for the Sledge, meaning they should fit without modifications. However, we recommend consulting the Traxxas assembly guides for your specific Sledge model to ensure correct installation and torque specifications for optimal performance and longevity.
• What makes these better than the factory stub axles? — The factory Sledge stub axles are adequate for casual use, but these hardened steel versions deliver significantly improved durability and wear resistance. The hardening process increases material strength, reducing flex under high-torque conditions and dramatically extending component lifespan, especially if you're running your truck regularly at the track or on challenging terrain.
• How many stub axles do I receive? — You receive a pair of hardened steel stub axles, which provides both front axles needed for a complete front driveline upgrade on your Sledge. This ensures matched components and eliminates the need to purchase multiple separate items.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Traxxas Stub axles, hardened steel (2) (for steel constant-velocity driveshafts) (fits Sledge) TRX9553X today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.