Chromag Squarewave XL Revolution Bikes July 16, 2015 Chromag Grips Chromag Squarewave XL The Squarewave XL has the same shape as the Squarewave grip, but with a wider diameter. Designed for bigger hands, or just for people who like bigger grips. The XL features a one-side flange that can be oriented to either inside or outside of the bar. Overall length 146mm. Colours: Black with Black ends.