This is the new for 2018 Mugen Seiki MBX7R/MGT7 Trailing Axle Front Upright
Steering Knuckle (part #E2147) for the Mugen MBX7, MBX7T and MGT7 1/8
scale chassis. The trailing axle knuckle will track straighter on bumpy tracks and be more forgiving on corners.
Note: Must be used with the Mugen E2153 steering arm plates MUGE2153