E-10000R

E-10000R (called Robo 1 on the official American website) is a red robot built for speed, and according to the official Japanese Sonic Riders website, is equipped with the same kind of engine as Metal Sonic. In Story Mode, the E-10000R walks into a battle between Knuckles the Echidna and Storm the Albatross, and gets severly damaged. It later tried to capture the heroes with visible damage from the battle, meaning it is same robot.

E-10000R has the ability to split its head from its body to scare or strike opponents or simply attack them with its large fists. E-10000R's unique Extreme Gear is called E-GearR, and it can be unlocked as a playable character for playing 50 hours.