Team Associated 7.8x3.5x2.0mm Aluminum Hub Spacer Washers – Blue (10) – Part 31389
Maximum Spacing. Race-Ready Adjustability.
The Team Associated 7.8x3.5x2.0mm Blue Aluminum Hub Spacer Washers (31389) are ideal for making larger wheelbase and hub spacing adjustments on RC8B3 and RC8T3 series vehicles—or any platform that uses 3.5mm hinge pins. Durable and lightweight, these aluminum washers are a reliable tuning option for racers who want full control over rear-end geometry.
✅ Size: 7.8mm OD x 3.5mm ID x 2.0mm thick
✅ Anodized blue 7075 aluminum – high strength, low weight
✅ Designed for wheelbase and hub spacing adjustments
✅ Compatible with 3.5mm hinge pin platforms
✅ Pairs perfectly with 0.5mm and 1.0mm spacers (sold separately)
📦 Includes:
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(10) 7.8x3.5x2.0mm Blue Aluminum Hub Spacer Washers
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Part #: 31389
💡 Pro Tip: Use thicker spacers like this to extend wheelbase for more high-speed stability or track-specific tuning.
