Pit Bull Tires - Dirty Richard 1.9" Single Stage Foam Inserts for Crawlers, Medium, 115x47.6x40, 2pcs Replacement Parts Car and Truck Electronics When using Ultimate Mirror Chrome

When using Ultimate Mirror Chrome on an "external" application

Black elastic for a clean fit with plenty of clearance for various electrical and battery configurations

A great controller for launching mini and standard (A-C) engine powered rockets

Flange diameter: 4

Speed was not considered to be essential

Pit Bull Tires - Dirty Richard 1.9" Single Stage Foam Inserts for Crawlers, Medium, 115x47.6x40, 2pcs Replacement Parts Car and Truck Electronics When using Ultimate Mirror ChromeFeatures: Quality Foam Durable Fits Pit Bull RC tires perfectly so now you have replacement options directly from Pit Bull R C. Stylish they look good for the brief moments you get to appreciate them before you install them. Specifications: Outer Diameter: 4. 5 Rim: 1. 9