PDW Rattlesnek Kej Water Bottle Cage Black Left Opening CheckoutSpec= 504Wh Gender Age Mens Color Stealth Material Gender Age Mens Color Stealth Material Synthetic Clamp Style Std Rails Defined Color Black Saddle Cut Out Yes Weight 235 Rail Material Titanium Adjustable elastic strap Seamless calf band and silicone gripper elastic lock pad in place Includes two stainless bolts for installation Side entry design works well for all frame sizes and because the Rattlesnek Kej™ is available with the opening on either left or right you access bottles from the same side when you have Rattlesneks on both the downtube and seat tube