In Stock
Delivery Included
1 Year Warranty
The Tamiya TAM42384 TRF421 chassis kit is a high-performance 1/10 scale touring car platform designed for serious RC racers. Finished in black and built around a double-deck carbon fibre frame, this belt-driven 4WD chassis delivers exceptional balance, adjustability and precision. Developed by Tamiya Racing Factory, the TRF421 introduces a centralised motor layout, equal-length drive belts, and a modular upper deck system to support advanced tuning and easier pit work.
Key features of the Tamiya TAM42384 TRF421 chassis kit
- Carbon fibre lower and upper decks for lightweight rigidity
- Ultra-short big bore dampers (USBB) for lower centre of gravity
- Central motor layout and equal-length drive belts for improved pitching stability
- Front direct coupling and rear oil-filled gear differential for refined drivetrain response
- Modular upper deck design with one- and two-piece options
- Aluminium bulkheads, motor mount, servo mount and steering bridge
- Double wishbone suspension with ball connector mounts
- Precision stabilisers in three thicknesses for fine-tuned handling
- Dedicated double cardan joint drive shafts and lightweight universal shafts
- Rubber sealed ball bearings and aluminium bearing holders
Why choose the Tamiya TAM42384 TRF421 chassis kit for competitive racing?
The Tamiya TAM42384 TRF421 chassis kit is engineered for racers who demand precision and adaptability. Its 2.25 cm carbon fibre lower deck and interchangeable 2.0 cm upper decks allow tailored flex characteristics. The central motor layout and equal-length belts contribute to balanced throttle response and reduced pitching, giving drivers a stable platform under acceleration and braking.
How does the TRF421 TAM42384 Tamiya with equal-length drive belts and central motor layout improve performance?
The TRF421 TAM42384 Tamiya with equal-length drive belts and central motor layout enhances chassis symmetry and weight distribution. This configuration reduces torque-induced pitch and improves cornering consistency. The spur gear is secured with a single nut for quick access, streamlining pit work and gear changes during race events.
What makes the TRF421 TAM42384 Tamiya with USBB dampers and aluminium bulkheads stand out?
The TRF421 TAM42384 Tamiya with USBB dampers and aluminium bulkheads offers a low-profile suspension system that lowers the centre of gravity and improves roll control. The aluminium damper stays and bulkheads provide rigidity and durability, while the USBB dampers can be fine-tuned with spacers to suit track conditions and driving style.
Is the TRF421 TAM42384 Tamiya chassis suitable for advanced tuning?
Absolutely. The TRF421 TAM42384 Tamiya chassis includes a modular upper deck system with both one-piece and two-piece carbon fibre options. This allows racers to alter screw positions and deck stiffness to influence roll behaviour. The inclusion of three stabiliser thicknesses and adjustable suspension geometry further supports detailed setup work.
Affordable precision for serious RC enthusiasts
Despite its elite-level design, the TRF421 TAM42384 Tamiya chassis remains an affordable option for racers seeking a competitive edge. From its aluminium motor mount to its double cardan drive shafts, every component is engineered for performance and reliability. The chassis is compatible with a wide range of battery packs and electronics, making it a versatile choice for serious hobbyists.
Buy Tamiya TAM42384 TRF421 chassis kit today
Whether you're upgrading from the TRF420 or building a new race-ready platform, the Tamiya TAM42384 TRF421 chassis kit delivers the adjustability, balance and build quality needed to compete at the highest level. Buy Tamiya TAM42384 TRF421 chassis kit today and take control of your racing future.
Brand, Model and Product Type
- Brand: Tamiya
- Model: TRF421 – TAM42384
- Product Type: Tamiya TAM42384 TRF421 chassis kit, Tamiya TAM42384 TRF421 1/10 touring car chassis, Tamiya TAM42384 TRF421 carbon fibre RC chassis, TRF421 TAM42384 Tamiya with equal-length drive belts and central motor layout, TRF421 TAM42384 Tamiya with USBB dampers and aluminium bulkheads
- Colour: Black
Dimensions and Weight
- Length: 39.7 cm – optimised for 1/10 scale touring car class
- Width: 18.7 cm – provides a stable footprint for high-speed cornering
- Wheelbase: 25.7 cm – balanced for responsive handling and agility
Chassis and Frame
- Double deck frame with 2.25 cm carbon fibre lower deck for improved roll stroke and traction
- 2.0 cm carbon fibre upper deck included in both one-piece and two-piece configurations for tuning flexibility
- 2.0 cm carbon fibre bumper support enhances rigidity at the front end
Drivetrain and Motor Layout
- Transverse motor layout positioned near centreline for optimised weight distribution
- Equal-length drive belts reduce torque-induced pitch and improve throttle stability
- Front direct coupling and rear oil-filled gear differential for precise power delivery
- Dedicated double cardan joint drive shafts and lightweight 4.5 cm universal shafts included
Suspension and Dampers
- 4-wheel independent double wishbone suspension with upper and lower A-arms
- Ball connector mounts on lower arms for fine-tuned geometry
- USBB (ultra-short big bore) dampers mounted via aluminium stays for low centre of gravity
- Spacer system allows damper tuning for different track conditions
Steering and Handling
- Three-piece steering tie-rod system for adjustable steering range
- Horizontal rear body mounts reduce body wobble during high-speed runs
- Includes four stabilisers in three thicknesses: 1.0 mm x1, 1.1 mm x2, 1.2 mm x1
Materials and Components
- Aluminium upper and lower bulkheads for structural integrity
- Aluminium motor mount, servo mount and steering bridge for precision alignment
- Aluminium bearing holders and rubber sealed ball bearings for smooth drivetrain operation
Assembly and Maintenance
- Spur gear secured with a single nut for quick removal and maintenance
- Battery holders designed for swift access and compatibility with various battery packs
- Chassis layout allows easier pit work and setup changes
Included Components
- TRF421 chassis kit with carbon fibre decks and aluminium components
- Stabilisers, dampers, drive shafts and steering system included
- Requires body, brushless motor, wheels, tyres, 2-channel R/C system with ESC, batteries and charger (sold separately)
Support and Documentation
- Includes detailed instruction manual and setup guidance from Tamiya Racing Factory
Finance Options
Click to see Novuna Finance Information
Novuna Personal Finance Available on this product
| DEPOSIT |
MONTHS |
APR |
MONTHLY PAYMENTS |
TOTAL AMOUNT PAYABLE |
| 24 Month Credit |
| £79.00 |
24 |
19.9% |
24 x £35.60 |
£933.40 |
| 36 Months Credit |
| £79.00 |
36 |
19.9% |
36 x £25.81 |
£1,008.16 |
| 48 Months Credit |
| £79.00 |
48 |
19.9% |
48 x £20.99 |
£1,086.52 |
| Buy Now Pay Later 48 months (6 months Deferred) |
| £79.00 |
48 |
24.9% |
48 x £24.76 |
£1,267.48 |
| Buy Now Pay Later 48 months (10 months Deferred) |
| £79.00 |
48 |
24.9% |
48 x £26.18 |
£1,335.64 |
| Buy Now Pay Later 48 months (12 months Deferred) |
| £79.00 |
48 |
24.9% |
48 x £27.67 |
£1,407.16 |
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
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- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
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- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
