Enhance the performance and control of your micro crawler tires with the UpGrade RC 1.0" Dual Stage Foam Inserts. Designed for 1.0" Class 2 crawler tires, these inserts deliver the perfect balance of flexibility and support — allowing your tires to conform to terrain while maintaining sidewall strength and stability.
✅ Dual Stage Design – Soft outer foam for terrain conformity, firm inner foam for structure and control
✅ Improved Sidewall Support – Prevents tire collapse under heavy loads
✅ Consistent Ground Contact – Maximizes traction and performance on uneven terrain
✅ Perfect Fit for 1.0" Micro Crawler Tires – Ideal for both trail and comp setups
✅ Durable Closed-Cell Inner Foam – Maintains shape longer and resists moisture absorption
Specifications:
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Outer Diameter: 57mm (2.24")
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Inner Diameter: 1.0" (25.4mm)
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Configuration: Dual Stage (Soft Outer / Firm Inner)
Includes:
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(2) UpGrade RC 1.0" Micro Crawler Dual Stage Foam Inserts
Compatibility:
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Axial SCX24
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Furitek Cayman
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Furitek FX118
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HPI Venture 18
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HobbyPlus CR-18
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Losi Micro Rock Crawler
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Redcat Ascent-18
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Traxxas TRX-4M
⚡ More control, more traction — UpGrade RC dual-stage foams give your crawler the edge where it counts.