Envy has proven themselves to make strong and afforadable products. This SCS clamp is no diferent. If your a fan of the Envy 4 Bolt Clamps design but want to run SCS, Look no further. Now you can with the Envy 4 Bolt SCS Clamps. This clamp will fit both Oversized and Standard sized bars. To be used with SCS only. The clamp flairs out at the bottom so it sits flush against your pro scooter. This clamp is strong, durable, and one of the nicest SCS clamps on the market.