APEX SCS V3 CLAMP | GREENAPEX SCS V3 Clamp Green The SCS V3 is both stylish and strong, suitable for any setup. This clamp has evolved over the years now being in its third and final stage, now being recognized as one of the most reliable and well rounded SCS clamps. The SCS V3 features 4 M6 bolts, a range of anodized colours and a laser etched Apex logo. All of our SCS clamps are compatible with both Standard and Oversized bars, making it easy to switch between sizes.