- The Pro Seat is the ultimate child seat for MTB families. It's lightning fast to attach and remove, is fully adjustable, and has zero frame contact. - Designed for children 2 - 5 years (up to 60lb / 27kg) - Super fast to fit, remove and swap between bikes - Fully adjustable with zero frame contact - Adjustable to fit electric and regular mountain bikes - Shotgun Pro bars are quick release for lightning-fast fitting and removal - Shotgun Pro Bars have pro 19mm grips, are 355mm wide, and are compatible with 31.8 and 35mm bars - Fits all bikes with standard 1-1/8 steerers (10mm clearance required)