Fidlock Twist Bottle 590 Set The new TWIST bottle 590 comes in a new design and with an improved connection technology that provides a strong hold on every ride. With an ergonomic design with the rounded edges The Fidlock Twist Bottle 590 Set offers a bigger frame compatibility and makes the twisting off and snapping to the TWIST base even more intuitive. It comes with an optional dirt cover, so the mouthpiece stays clean even when mounted on the downtube. You'll be relieved to know that it is still compatible with all TWIST bases and the connector which makes a bottle upgrade easy at all times. Features New ergonomic design for a more intuitive twisting off and snapping to the TWIST base New connection technology for a strong hold without the Gravity Kit New leak-proof, self-sealing bottle cap with a high water flow valve plus an optional dirt cover Improved squeeze due to a soft, BPA-free polyethylene590 ml / 19. 95 oz volume with rounded edges offers a bigger frame compatibility Available Colors: Transparent black, clear Dishwasher-safe Fits all TWIST bases Base weighs only 16 g / 0. 56 oz | Fidlock | Twist Bottle 590 Set Smoke