CushCore TRAIL provides an all-new option for riders looking for a performance/weight balance between our PRO and XC inserts. Additionally, CushCore TRAIL was engineered to provide more progressive sidewall support: the harder you push, the more support you'll feel. Enabling supple tire response on flat corners and a stable sidewall when railing berms. Like all CushCore tire inserts, TRAIL absorbs shock and vibration, improves cornering, and prevents flats/rim damage ... giving you Total Confidence to ride at your best. Tire Widths: 2.1"-2.6" Inner Rim Width: 22mm-35mm Includes: (2) CushCore tire inserts, (2) 44mm CushCore presta air valves, valve core tool, installation instructions, and rim stickers.