HPI 4690 - INNER FOAM 57x35mm (2.2 in./MEDIUM)

HPI 4690 - INNER FOAM 57x35mm (2.2 in./MEDIUM)

Genuine HPI Racing 57x35mm inner foams in medium density for 2.2in tires. Inner foam supports the tire carcass, keeping the contact patch consistent so your grip stays predictable through corners and over bumps.

Refresh worn-out inserts when re-gluing tires to bring back consistent handling and tire shape.

• Genuine HPI Racing part #4690
• Inner foam, 57x35mm
• Medium density
• For 2.2in tires
• Keeps tire shape and grip consistent