Rambo Bike Accessory Storage Bag R150 rear bike rack required for installation Dimensions: 17" X 14" x 6" Features one large zipper pocket, two interior pockets and secure buckle closure Includes Velcro strap for easy attachment to the R150 rear bike rack Constructed of durable waterproof fabric with reflective trim detailing Use this single saddle accessory bag to add storage to your Rambo bike while keeping one side of the rack accessible for other gear