The Shard is designed for the front of 1/10th 4WD vehicles. . Based on the very successful Fusion the new 4WD Shard has been developed to give the ultimate steering with good balance on high bite surfaces. . With our classic stagger pattern now utilizing a modernised geometry the Shard will enable the 4WD to have steering exactly where you need it. . Recommended insert - U6653 - Foam Tyre Insert; Hard - Rear - CAT (pr) as used in Pre-Glued.