Key FactsPit bike 110cc / 120cc / 125cc complete clutch for kick start machines.This part is known to fit: Early Stomps 110cc / 125cc Early Orions 110cc / 125cc Early Explorers 110cc / 125cc Early Thumpstars 110cc / 120cc / 125cc Dream 110cc (kickstart) Most Chinese pit bike 110cc kickstart machinesThis item has been known to fitPit Bikes > Stomp > Superstomp 120cc Dimensions Outer diameter : 117mm mm (4.6" inches) Total Depth: 41.7mm mm (1.6" inches) Diameter of central hole, including cut-out sections: 16.9mm mm (0.7" inches) Diameter of fixing holes (threaded): 4mm mm (0.16" inches) Distance between fixing holes (centre of eye to centre of eye): 54.6mm mm (2.15" inches) Diagonal distance between fixing holes (centre of eye to centre of eye): 77.2mm mm (3" inches)