Large size holds 1.7 liters or 103 cubic inches.

• Velcro mounting system attaches under your saddle rails and to your seatpost to secure the bag in place.
• Durable PU Nylon construction with water resistant coating and waterproof zipper keep items dry.
• Internal quick access pocket for minitool, ID, etc.
• Reflective rear loop for attaching safety light to improve visibility.
• Large size has zippered expansion baffle.