JConcepts Rock Bumps 1.9" All Terrain Comp Rock Crawler Tires (2) (4.25” OD) (Green) Gyro This combo features a powerful

This combo features a powerful built-in BEC

output shaft spline and an aluminum mini 25T servo horn to ensure maximum durability and flex-free operation under the harshest conditions

Sleek black with shadow ProTek Logo

Built tough with Extreme Heavy Duty components

JConcepts Rock Bumps 1.9" All Terrain Comp Rock Crawler Tires (2) (4.25” OD) (Green) Gyro This combo features a powerfulTires Overview: Conquer rocks and technical terrain with confidence using the Rock Bumps 1. 9" All Terrain Comp Rock Crawler Tires. Featuring an aggressive pin and bar tread design, narrow competition carcass, and high flex construction, these tires deliver powerful traction, excellent conformity, and dependable performance for 1. 9 Sporty Mini competition crawlers. About the Rock Bumps Comp Tires Aggressive Pin Style Tread The Rock Bumps 1. 9" All