Tubolight Diamana Tire Insert Pair XHD 27. 5"Increased Protection Mountain biking can be rough on your wheels. With a tire insert, you'll have extra protection from rocks and big hits while shredding the trails. The Tubolight Diamana XHD Tire Insert is a lightweight tire insert that is versatile and made from a medium compound to offer increased protection and tire support. It easily installs inside your tire and is perfect for enduro, downhill, and e-bike riding. Features Offers increased protection and tire support while maintaining low weight XHD Extra Heavy Duty Insert for enduro, DH, and e-bike use Weight: 220g (XHD) | Tubolight | Diamana Tire Insert Pair Xhd 27. 5" Xhd, 27. 5 X 2. 6-3. 0"