98311 EX-Arm Lightning Alu Rear Arms，compatible with Drift ART 4th, 3rd, and 2nd generations.

The EX Aluminum Alloy Rear Arms Lightning Edition is made of aerospace-grade aluminum alloy and allows for infinitely adjustable rear track width, enabling your chassis to easily adapt to a wide range of widths, from ultra-narrow to ultra-wide. Each side of the rear arms can extend by 6mm, with a maximum total extension of 12mm, making it compatible with all 24-28 size car bodies.

Additionally, it features more practical shock absorber mounting holes, providing greater flexibility in setup. A newly added adjustable ride height limiter allows you to set the maximum drop angle of the rear swingarm.