Genuine Traxxas replacement part #3661

This is a genuine Losi rear dogbone and axle set

Streamlined

Super smooth without any cogging at both low and high speed operation­

380 size brushed

HPI 4690 - INNER FOAM 57x35mm (2.2 in./MEDIUM) N Locomotive Genuine Traxxas replacement part #3661HPI 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