PROLINE SLIDE LOCK M3 PRE-MOUNT VEL. V2 WHITE WHEELS (2)The Slide Lock is a unique tyre design from Pro Line that is made specifically for smooth, low grip tracks. The Slide Lock features a pattern of small, tightly packed hexagon and triangle shaped pins so you can lay down as much rubber as possible. The tread on the new Slide Lock is laid out wider across the tyre carcass for a flatter profile overall compared to other Pro Line 1: 8 Race Tyres. Each hexagon pin has a deep sipe down the middle of the