Aerodynamic dual-bottle BTA hydration system that features a dynamic, multi-position computer mount to accommodate your changing needs. Raise the computer mount up to tuck in a refill bottle for race day, or lower it down for a standard bottle while maintaining the optimal view for training days. - Telescoping Garmin mount features on-the-go tilt adjust to avoid glare. - Zero-leak design with a sealed viewing window to easily monitor liquid levels, and a leak-free Dolphin Breather Valve that lets air in but doesn't let water out. - Capacity: 26oz (768 mL) - Material: Plate: 6061-T6 Aluminum - Cage: Nylon Composite Vee Cage - Computer Mount: Nylon Composite - Bottle: Lead free, BPA-Free and HDPE food safe certified bottle - Brackets: Nylon composite with Velcro straps coated with no-slip extension grip - Adjustment Width: 75-150mm - Weight: 9.3oz (265g)