Fastrax 48Dp 25T Aluminium 7075 Pinion Gear FAST48-25

Overview

The Fastrax 48Dp 25T Aluminium 7075 Pinion Gear is a precision-engineered drivetrain component designed for competitive RC car enthusiasts and serious hobbyists across the UK. This high-quality pinion gear represents the perfect upgrade or replacement part for your RC car's drivetrain, offering exceptional durability and performance characteristics that will transform your vehicle's acceleration and overall driving experience. Whether you're running an on-road racer, off-road buggy, or truggy, a properly specified pinion gear is absolutely critical to extracting maximum performance from your RC car UK setup.

Manufactured from premium 7075 aluminium alloy, this 48-pitch pinion gear combines lightweight construction with outstanding strength and longevity. The 25-tooth configuration places this gear in the sweet spot for many competitive applications, providing an ideal balance between acceleration and top speed depending on your motor choice and current setup. For anyone serious about RC racing or weekend bashing, upgrading to quality Fastrax pinion gears ensures consistent performance, reduced wear on your transmission, and the confidence that comes from running trusted, authorised components.

Fastrax has built a reputation across the RC hobby for delivering exceptional value without compromising on engineering quality. This pinion gear is no exception—it's manufactured to exacting tolerances and has proven itself in countless RC cars across competitive racing and recreational use. If you're looking to refresh your drivetrain, optimise your gear ratio, or simply replace a worn pinion, the Fastrax 48Dp 25T Aluminium 7075 Pinion Gear is your reliable, affordable solution.

Key Features

• 48-Pitch Module Specification — The 48-pitch (48Dp) specification means this gear is engineered to mesh precisely with other 48-pitch drivetrain components, ensuring smooth engagement, minimal backlash, and reliable power transmission without slippage or binding that would waste energy and damage your transmission.
• 25-Tooth Configuration — With 25 teeth, this pinion gear strikes an excellent balance for most RC applications, offering responsive acceleration whilst maintaining reasonable top-speed potential, making it suitable for both racing and general recreational driving without excessive strain on your motor.
• 7075 Aluminium Alloy Construction — 7075 is premium aerospace-grade aluminium renowned for its exceptional strength-to-weight ratio, superior hardness compared to standard aluminium, and excellent fatigue resistance, meaning this gear will withstand the punishment of competitive racing and aggressive bashing far better than inferior alternatives.
• Lightweight Design — By choosing aluminium construction over heavier steel alternatives, Fastrax has minimised unsprung weight in your RC drivetrain, which directly improves acceleration, reduces inertia, and helps your vehicle handle more responsively during corners and direction changes.
• Precision Manufacturing — Each tooth is cut to exacting tolerances using CNC machinery, ensuring perfect mesh with your spur gear, eliminating noise, vibration, and premature wear whilst maximising power transmission efficiency throughout your RC car's drivetrain.
• Compatibility with Multiple Platforms — The 48-pitch standard is used across numerous RC car manufacturers and platforms, making this gear a versatile upgrade option for owners of Traxxas, Team Associated, Team Losi, Mugen, HPI, Axial Racing, and other quality RC vehicles.
• Easy Installation — Replacing your existing pinion gear is straightforward and requires only basic tools, making this an ideal upgrade for DIY enthusiasts who wish to optimise their RC car's performance without professional assistance.
• Excellent Value for Money — Priced at just £2.99 (excluding tax), this Fastrax pinion gear offers outstanding value, making it an affordable way to maintain your RC car or experiment with different gear ratios to fine-tune your vehicle's performance characteristics.

Technical Performance

The Fastrax 48Dp 25T Aluminium 7075 Pinion Gear represents serious engineering designed specifically for the demanding world of RC racing and high-performance driving. The 7075 aluminium alloy selection demonstrates Fastrax's commitment to quality—this material is favoured in aerospace applications for its remarkable strength and rigidity, properties that translate directly into superior durability within your RC car's drivetrain. Unlike softer aluminium grades or cast alternatives, 7075 exhibits excellent fatigue resistance, meaning the gear teeth won't gradually deform or strip under the repetitive stresses of racing or aggressive bashing. The 48-pitch specification ensures this gear integrates seamlessly with your existing 48-pitch drivetrain components, providing precise mesh geometry that maximises power transmission efficiency. With 25 teeth, this pinion gear delivers responsive acceleration suitable for most RC applications, whether you're competing in organised races, practising at your local track, or enjoying recreational driving. The precision CNC manufacturing process guarantees consistent tooth geometry across every example produced, eliminating the variance and quality issues sometimes found with lower-cost alternatives. When paired with the appropriate spur gear ratio for your specific motor and intended use, this pinion gear forms the foundation of a reliable, efficient drivetrain capable of delivering years of dependable performance. The lightweight aluminium construction also contributes positively to overall vehicle dynamics by reducing rotating mass in your transmission, which translates to quicker acceleration response and more agile handling characteristics on the track.

What's in the Box

• Fastrax 48Dp 25T Aluminium 7075 Pinion Gear

Frequently Asked Questions

• What is a pinion gear and why do I need to replace mine? — A pinion gear is the small gear that mounts directly to your motor shaft and drives the larger spur gear in your transmission. Over time, pinion gears wear due to the constant meshing with your spur gear, accumulating small amounts of damage that eventually result in noise, vibration, and power loss. Replacing a worn pinion gear is one of the most cost-effective maintenance items you can perform on your RC car, often dramatically improving drivetrain smoothness and performance. The Fastrax 48Dp 25T represents excellent value for this essential replacement.
• How do I know if my pinion gear is worn and needs replacing? — Warning signs include audible noise or grinding sounds from the transmission area, visible damage to the gear teeth (flattening, chipping, or stripping), increased backlash between pinion and spur gear, or a noticeable loss of acceleration response. If you're considering optimising your RC car's performance, the pinion gear is always worth inspecting during regular maintenance, and many enthusiasts replace it proactively during annual rebuilds.
• What is the 48-pitch specification and why does it matter? — Pitch refers to the number of teeth per unit of measurement and determines how a gear meshes with other gears in your drivetrain. A 48-pitch gear must be matched with other 48-pitch components (specifically your spur gear) for proper engagement. Using mismatched pitch specifications will result in poor mesh, excessive noise, and rapid wear, so it's essential to verify that your existing spur gear is also 48-pitch before purchasing this pinion gear.
• Is 25 teeth the right tooth count for my RC car? — The optimal tooth count depends on several factors: your motor choice, intended use (racing versus bashing), track layout, and your spur gear specification. Generally, lower tooth counts (like 25T) provide faster acceleration and lower top speed, whilst higher tooth counts deliver the opposite characteristics. For most applications, 25 teeth represents a sensible middle ground, but competitive racers often experiment with different ratios to match specific track conditions or motor characteristics.
• What is 7075 aluminium and why is it better than standard aluminium? — 7075 is a premium aluminium alloy containing zinc, magnesium, and copper, resulting in substantially higher strength and hardness compared to common aluminium grades. This aerospace-grade material resists deformation, maintains consistent tooth geometry under load, and exhibits excellent fatigue resistance—all critical properties for transmission components that experience repetitive stresses. Choosing 7075 over cheaper aluminium alternatives guarantees your pinion gear will outlast budget competitors and maintain smooth engagement longer.
• Can I use this pinion gear in my specific RC car model? — The 48-pitch specification ensures compatibility with any RC car that uses 48-pitch drivetrain components, covering numerous models from manufacturers including Traxxas, Team Associated, Team Losi, Mugen, HPI, and many others. However, you must verify that your vehicle uses 48-pitch gears—check your manual or measure your existing pinion gear. Installing an incorrectly specified gear will not mesh properly and will cause serious drivetrain damage.
• Is this suitable for beginners in the RC hobby? — Whilst pinion gears are replacement/maintenance parts rather than complete vehicles, they're absolutely suitable for beginners interested in learning about RC car maintenance and performance tuning. Replacing a pinion gear requires minimal tools and technical skill, making it an excellent first maintenance project that builds confidence and understanding of how RC drivetrains operate. The affordable price makes experimentation with different tooth counts accessible for budget-conscious hobbyists.
• How often should I replace my pinion gear? — Replacement frequency depends on usage intensity and maintenance practices. Casual recreational drivers might replace pinions annually or biennially, whilst competitive racers running multiple vehicles often replace pinions several times per season. Regular inspection during maintenance sessions helps you identify wear early and schedule replacement before catastrophic failure occurs. Keeping spare pinions like this Fastrax 48Dp 25T in your spares box ensures you're never stuck waiting for parts during a race meeting.

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 Fastrax 48Dp 25T Aluminium 7075 Pinion Gear FAST48-25 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.