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We’ve come along since the canteen was in vogue, and today’s top hydration systems are fit with easily fillable bladders and use cinching and strap designs that help fight the rock and roll of filled hydration system.
Source: OFF-ROAD GAME CHANGERS-HYDRATION SYSTEMS | Dirt Bike Magazine

The Dirt Bike Academy offers adventure bike and dirt bike training classes for both complete beginners and experienced riders in Pennsylvania’s Pocono Mountains. We teach kids and adults in separate classes for dirt bike riders and adventure bike riders. Our beginner coaches and classes are fully certified by the Motorcycle Safety Foundation.