MRP SXG Replacement Skid MRP designs their products knowing they are going to be ridden hard, and certain parts are going to wear out or get bashed against a rock. Luckily, they thought to make these parts easily replaceable so you can continue to enjoy the benefits of your MRP product. The MRP SXG Skid is a direct replacement for your SXG chain guide. Just bolt on the new skid and get back on the trail. Features Replaces worn out or broken skid on SXG chain guides. Quickly and easily bolts on Glides over rocks and obstacles protecting your chainring | Mrp | Sxg Replacement Skid Black