Description
Overview
The Tamiya TT-02 Type-SRX is a 1/10 scale 4WD electric touring car chassis kit that takes the proven TT-02 platform and elevates it with a comprehensive selection of factory-installed racing components. Designed as a high-performance evolution of the TT-02 Type-S, the Type-SRX delivers increased efficiency, adjustability, and track-ready handling straight out of the box, making it more cost-effective than purchasing each hop-up part separately.
With upgraded drivetrain components, TRF420-inspired suspension geometry, and race-spec hardware, the TT-02 Type-SRX is an excellent choice for drivers looking to step into competitive on-road racing while retaining the versatility and accessibility of the TT-02 platform. The kit is ideal for Tamiya Grand Prix and Challenge Cup events, with a pre-configured gear ratio of 6.55:1 optimized for club racing.
Key Features
- 1/10 scale 4WD electric touring car chassis kit
- Shaft-driven TT-02 Type-SRX bathtub chassis
- Factory-installed Tamiya Hop-Up Options
- TRF420-design suspension arms and uprights
- Independent double wishbone suspension
- Front direct coupling (spool) for crisp steering
- Rear oil-filled gear differential with aluminum joint cups
- Double cardan front driveshafts (37mm)
- Aluminum propeller shaft with new propeller joints
- Hard-coated aluminum 27T pinion gear
- 68T high-speed spur gear
- Hi-torque servo saver with aluminum horn
- Full ball bearing set included
- CVA oil-filled dampers with TRF oil seals
- Dedicated carrying case included
Factory Hop-Up Options Included
- Item 22054: 37mm Drive Shafts for Double Cardan Joint Shafts
- Item 22049: XV-02/TT-02 Oil Gear Differential Unit
- Item 22047: XV-02/TT-02 Front Direct Coupling Set (39T)
- Item 54981: 06 Module Hard Coated Aluminum Pinion Gear (27T)
- Item 54886: TRF419 Suspension Upgrade Set
- Item 54799: TT-02 Hi-Torque Servo Saver Set (w/Aluminum Horn)
- Item 54501: TT-02 Aluminum Propeller Shaft
- Item 54500: TT-02 High Speed Gear Set (68T)
- Item 53823: Clamp Type Aluminum Wheel Hub (5mm Thick)
- Item 53576: TRF Damper Oil Seal (4pcs.)
- Item 42357: Cross Joints for Low Friction Assembly Universal Shafts
- Item 42323: Short Ball Connector Nuts for TRF Dampers
- Item 42143: 4mm Aluminum Serrated Wheel Nut (Blue)
Performance Benefits
- Front direct coupling delivers stable handling and crisp steering response
- Rear oil gear differential allows viscosity tuning for different track conditions
- Double cardan driveshafts maintain efficiency through steering angles
- TRF420 suspension arms provide excellent feedback and adjustability
- Aluminum propeller shaft with plastic wear caps minimizes drivetrain loss
- Lightweight aluminum diff joint cups reduce rotating mass by 7.8g
- Hard-coated 39mm rear drive shafts enhance durability and lubricity
- Multiple damper mounting positions enable fine-tuning
Usage Notes
- Designed for on-road touring car racing on high-grip surfaces
- Chassis-only kit - body, tires, and wheels sold separately
- Compatible with 190mm touring car bodies
- Rear suspension adjustable via bush-type suspension mount (toe and skid angles)
- 6 upper and 3 lower damper attachment positions available
- Ideal stepping stone before moving to mid-level Tamiya chassis kits
- Motor, ESC, and radio system sold separately
Technical Specs
| Specification | Detail |
|---|---|
| Scale | 1/10 |
| Length | 361mm (14.2") |
| Width | 183mm (7.2") |
| Wheelbase | 258mm (10.2") |
| Drive System | 4WD (Shaft-Driven) |
| Chassis | TT-02 Type-SRX Bathtub |
| Chassis Material | ABS Plastic |
| Motor Position | Longitudinal Mid |
| Suspension | 4-Wheel Independent Double Wishbone |
| Dampers | CVA Oil-Filled |
| Front Differential | Direct Coupling (Spool) |
| Rear Differential | Oil-Filled Gear Type |
| Gear Ratio | 6.55:1 (27T/68T) |
| Bearings | Full Ball Bearings |
| Motor | Not Included |
| ESC | Not Included |
What's Included
- Tamiya TT-02 Type-SRX 4WD touring car chassis kit
- All factory hop-up components listed above
- CVA oil dampers with TRF oil seals
- Double cardan front driveshafts
- Aluminum propeller shaft and joints
- TRF420 suspension arms and uprights
- 5-spoke wheels with blue aluminum nuts
- Aluminum wheel hubs (5mm thick)
- Dedicated TT-02 Type-SRX carrying case
- Assembly hardware and instruction manual
Needed to Complete
- 2-channel radio system with receiver
- Steering servo
- Electronic speed controller (ESC)
- 540-size electric motor (brushless recommended)
- 7.2-7.4V battery pack
- Compatible battery charger
- 190mm touring car body
- Touring car tires and wheels
- Tamiya PS polycarbonate spray paint
- AA batteries for transmitter
Summary
The Tamiya TT-02 Type-SRX delivers race-ready performance straight out of the box by combining the proven TT-02 platform with an impressive selection of factory-installed hop-up options. With TRF420 suspension geometry, an efficient direct coupling/oil diff drivetrain configuration, and premium hardware throughout, this chassis kit offers exceptional value for drivers looking to compete at club level without the expense of purchasing individual upgrades. The included carrying case and comprehensive component selection make the Type-SRX the ideal stepping stone for racers ready to level up their on-road performance.