Kids Ride Shotgun Pro Scott Syncros Headset Spacer Space Invaders Scott bikes with a Syncros 1. 5 headset system need this adaptor to fit the Shotgun Pro seat. It swaps in for one of your existing spacers so the seat can mount cleanly. Features Scott Syncros 1. 5 specific, required to fit the Shotgun Pro on Syncros stem systems Simple spacer swap, replaces one of your existing 5mm spacers Works with the included Pro spacer, which replaces two more of your 5mm spacers Minimum 15mm stem clearance, measured from the headset to the bottom of the stem | Kids Ride Shotgun | Pro Scott Syncross Headset Spacer Black