Traxxas Knurled Flywheel 40mm Aluminum TRX 2.5R

Traxxas Knurled Flywheel is a 40 mm, silver-anodized machined aluminum wheel that makes starter-box use easier and more consistent. The knurled pattern on the outer edge increases traction against starter box wheels so you get reliable cranking with Revo and Slayer rigs and with small or big block engines, including TRX 2.5R.

Key Features

• 40 mm diameter keeps rotating mass low for quicker engine spin-up and smoother starts.
• Lightweight machined aluminum construction balances performance and durability.
• Silver-anodized finish resists wear and keeps the flywheel looking clean after repeated use.
• Precision knurled edge increases grip against starter box wheels for more reliable engagement.
• Compatible with starter-box use on Revo and Slayer and fits both small and big block nitro engines, including TRX 2.5R.
• The Traxxas Knurled Flywheel bolts in as a straightforward upgrade to improve everyday starting.

Technical Specifications

• Diameter: 40 mm
• Material: Machined aluminum
• Finish: Silver anodized
• Design: Knurled edge for increased starter-box traction
• Compatibility: Revo, Slayer, and small or big block nitro engines, including TRX 2.5R

Why Choose This Flywheel

If you use a starter box, this flywheel makes starting simpler and reduces missed engagements by improving contact with starter wheels. The Traxxas Knurled Flywheel is an easy, reliable upgrade for nitro hobbyists who want cleaner, more consistent starts without changing engine tuning.