Designed for demanding triathletes, this rear hydration system allows you to put two bottles to the back of your saddle or a bottle and a tool bottle. Complete and robust, the kit is a very good solution for triathlons and long-distance trainings.It contains a universal rail mount bracket and 2 bottle cages, the Z2 and Z2i, as well as the screws supplied for installation. The side-opening bottle cages allow easy and quick access to the bottles. Made in France with a reinforced fibre-glass material, the cages grip the bottles very well. 2 CO2 holders are included on the Z2i.**The set includes:*** 1 x Universal saddle rail mount bracket* 1 x Z2 Bottle Cage* 1 x Z2i Bottle Cage with C02 holders* Installation Screws**Features:*** Universal rail mounting system: Fits all standard saddle rails* Side opening: Easy access to bottles* Robust and secure: Bottles will not shake or move even whlst riding * Accessory holders: 2 holders included for small inflators and a cartridge**Specifications** * Mounting: Universal Rail mounting system, fits all standard rail saddles* Material: Glass fibre reinforced composite* Cage Opening: Side entry* Screws: Included* Warranty: 2 years* Weight: 180g* Made in France