Traxxas UDR Front Shock Spring Progressive 0.833 Rate Blue GTR TRX8444A

Overview

The Traxxas Spring, shock, Front (Blue) (GTR) (progressive, 0.833 rate, White stripe) (2 pcs) TRX8444A is a premium front suspension upgrade component designed specifically for Traxxas UDR Unlimited Desert Racer models. These front shock springs are engineered to deliver precise handling characteristics and responsive suspension performance, making them an essential tune-up option for RC enthusiasts who demand the best from their short course truck. Whether you are upgrading your existing UDR or fine-tuning your RC car UK setup for competition or weekend bashing, these Traxxas suspension components offer the quality and engineering excellence you expect from the brand.

As an authorised Traxxas retailer, RC Model Shop stocks genuine OEM Traxxas parts that are manufactured to exacting standards. These front shock springs feature a progressive spring rate design, which means the spring stiffness increases as it compresses, providing initial compliance for bumps whilst offering support during hard cornering and aggressive driving. The blue colour helps you identify these premium springs at a glance, and the white stripe marking system aids in quick identification during maintenance and setup adjustments on your RC short course truck.

If you run a Traxxas UDR with either Rigid Industries or Fox Racing suspension, these springs are direct bolt-on replacements that require no modification to your chassis. The pack includes two springs, providing a complete front suspension refresh for balanced handling across both sides of your vehicle. For RC enthusiasts in the UK looking to upgrade their suspension tuning options, these Traxxas springs represent excellent value and genuine performance benefits.

Key Features

• Progressive Spring Rate Design — The progressive 0.833 rate means the springs compress initially with ease to absorb bumps and rough terrain, but progressively stiffen as they compress further, providing excellent support during hard cornering and acceleration, which translates to more predictable and responsive handling on the track or trail.
• Genuine Traxxas OEM Component — Manufactured by Traxxas to the same exacting standards used in all their suspension components, these springs ensure compatibility and reliability with your UDR Unlimited Desert Racer, with no fitment issues or guesswork required.
• Colour-Coded Blue Finish — The distinctive blue colour allows you to quickly identify these front springs visually, making it easier to maintain your suspension setup and swap springs when experimenting with different tune-up options on your RC car.
• White Stripe Identification Marking — The white stripe on each spring helps you identify the spring rate and spring pair number at a glance, which is useful when managing multiple spring sets or sharing setup information with other RC enthusiasts and competitors.
• Two Springs Per Pack — This pack includes both front left and right springs, providing a complete front suspension upgrade so you do not need to purchase multiple packs to refresh both sides of your UDR.
• Compatible with Multiple UDR Variants — These springs work with both the Rigid Industries and Fox Racing suspension versions of the Traxxas UDR Unlimited Desert Racer Pro-Scale 4WD RTR Short Course Truck, offering flexibility for owners of either variant.

Technical Performance

The Traxxas TRX8444A front shock springs are precision-engineered suspension components that play a critical role in the handling balance and compliance of your Traxxas UDR Unlimited Desert Racer. The progressive spring rate of 0.833 means these springs offer a measured approach to suspension tuning, starting soft for bump absorption but stiffening progressively as you demand more from your RC short course truck during hard driving. This type of progressive rate is favoured by many RC competitors because it provides the best of both worlds: initial comfort over rough terrain and solid support during cornering. The engineering behind Traxxas suspension components focuses on maintaining consistent ride height and chassis geometry through compression, which is essential for predictable handling on high-speed runs across desert terrain or technical short course tracks. The blue powder-coated finish is not just cosmetic; it provides protection against corrosion and helps these springs maintain their performance characteristics over extended use. Built from quality materials that meet Traxxas standards, these springs will deliver consistent performance through countless runs, whether you are running your UDR as a ready-to-run RC truck or as a carefully tuned competition vehicle.

What's in the Box

• Traxxas Spring, shock, front (blue) (GTR) – left spring with white stripe marking
• Traxxas Spring, shock, front (blue) (GTR) – right spring with white stripe marking

Frequently Asked Questions

• Are these springs compatible with my Traxxas UDR model? — Yes, these TRX8444A front shock springs are specifically designed for the Traxxas UDR Unlimited Desert Racer Pro-Scale 4WD RTR Short Course Truck. They are confirmed compatible with both the Rigid Industries variant (model TRX85086-4-RGD1) and the Fox Racing variant (model TRX85086-4-FOX1), so they will fit directly onto your UDR without any modification required.
• What does progressive spring rate mean and why does it matter? — A progressive spring rate means the spring stiffness increases as it compresses. The 0.833 rate on these Traxxas springs provides initial softness for absorbing bumps and small obstacles, but becomes progressively stiffer as you drive harder, which gives your RC short course truck excellent bump compliance whilst maintaining support during aggressive driving and cornering, resulting in better overall handling balance.
• How many springs do I get in this pack? — This pack includes two springs: one for the front left and one for the front right, providing a complete front suspension pair so you can refresh both sides of your UDR at once.
• What is the white stripe marking for? — The white stripe is a visual identifier that helps you quickly recognise the spring rate and match springs when you are setting up or maintaining your suspension. This is particularly useful if you are experimenting with different spring combinations or comparing setups with other RC competitors.
• Will these springs improve my UDR's handling? — Spring choice is a key tuning parameter in RC suspension setup. By selecting springs with the progressive 0.833 rate, you are making a deliberate choice about how your UDR responds to terrain and cornering forces. Whether these springs improve your particular handling will depend on your current setup and driving style, but they represent a genuine Traxxas OEM upgrade option that many UDR owners use to refine their suspension tune.
• Can I use these springs on other Traxxas models? — These springs are specifically designed for the GTR shock configuration found on the Traxxas UDR. Check your model's specifications before purchasing, as different Traxxas vehicles use different shock designs and spring compatibility is not guaranteed across different model ranges.

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 Spring, shock, Front (Blue) (GTR) (progressive, 0.833 rate, White stripe) (2 pcs) TRX8444A 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.