Aluminum BTA hydration mount compatible with Torpedo Versa (sold separately). Pre-drilled front mounting holes for Torpedo Versa or aero computer mounts. - Adjustment Width: 75-150mm - Construction (Plate): 6061-T6 Aluminum - Construction (Brackets): Nylon composite with Velcro straps coated with no-slip extension grip - Weight: 1.9oz (55g)