- The 2.0 Seat improves on the original Shotgun Seat with the addition of a quick release mount, 2 adjustable leg lengths, and more rubber protection. - Designed for children 2 - 5 years (up to 48lb / 22kg) - Quick release for super fast install, removal and swap between bikes - Adjustable width and angle to fit all mountain bikes (not including e-bikes) - Shotgun 2.0 Bars are 250mm in length, with Pro 19mm rubber grips designed for little hands - Bars come with inserts to fit 25.4mm, 31.8mm and 35mm handlebar diameters - Fits all bikes with standard 1-1/8 steerers (10mm clearance required)