PROTO Sentinel SCS Donder Paars Secondary color_White Manufacturer WISE Primary color Black Totale Hoogte:83cm Manufacturer WISE Primary color Black Secondary color Black Backsweep Yes Handlebar Shape Y Handlebar inner diameter 31 Manufacturer North Scooters Primary color Gold Secondary color Gold Inner diameter 31 8 mm Bolt size M8 Allen key size 6 Shim 0 Pressed threads 0 Compression thread No SCS Clamp Number of bolts 5 Compression bolt Yes Material Aluminium Height 90 Manufacturer PROTO Primary color Purple Secondary color Purple Inner diameter 31