Tamiya 18631 JR Spin-Axe Mk.II MS Chassis Mini 4WD Compact Kit  [18631]

Tamiya 18631 - JR Spin-Axe Mk.II- MS Chassis
Price:
CAD$18.70
Brand:
Tamiya
Model:
18631
GTIN:
4950344186310
Condition:
Brand New
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Quick Look at the Spin-Axe Mk.II

The Tamiya Spin-Axe Mk.II is a standout in the Mini 4WD lineup, combining sporty styling with resilient construction. Drawing on rally cues, it balances visual appeal with practical performance for club racers and collectors alike.

Visuals and Bodywork

The Spin-Axe Mk.II features long, oblong headlights and flowing aerodynamic lines that give a sense of speed even at rest. Its body is moulded from durable ABS resin to resist chips and impacts during close racing.

MS Chassis Breakdown

Underneath the shell sits the three-piece MS Chassis, prized for its balance of rigidity and flexibility. The MS format accepts double shaft motors, helping deliver smooth power transfer and stable handling on short circuits.

Track Tuning and Upgrades

This kit is built for modification, with clear upgrade paths for competitive racing. Builders commonly fit higher RPM motors, low-profile tires, and upgraded gears such as the Mini 4WD Pro Super Speed Gear Set to refine speed and traction.

Putting It Together and Power

Assembly uses a snap-fit approach for straightforward building and servicing. The body can be mounted to other compatible Mini 4WD Pro chassis, and the kit requires two R6/AA/UM3 batteries, which are sold separately.

Specifications

  • Chassis Type: MS
  • Motor Compatibility: Double Shaft
  • Body Style: Rally-Inspired
  • Material: ABS Resin
  • Racing Customization Potential: High

The Tamiya Spin-Axe Mk.II delivers a compact, tuneable Mini 4WD experience that suits both new builders and more experienced racers looking for a solid base to upgrade.

This kit uses the MS Chassis, a three-piece layout that offers a good compromise between stiffness and adjustability for Mini 4WD racing.
Yes, the Spin-Axe Mk.II accepts higher speed motors and a range of tires. Many builders fit low-profile tires and match them with suitable gear ratios for better lap times.
The snap-fit assembly and clear component layout make it accessible to beginners, while the MS chassis leaves room to learn tuning and upgrades.
Popular upgrades include high-speed motors, low-profile tyres, and the Mini 4WD Pro Super Speed Gear Set to optimise gearing for speed and acceleration.

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