Complete rear pulley clutch assembly, bell, torque driver and plate. Most commonly used for (but not limited to) Honda 250 173M, CF Moto CF250 V3/V5 as well as many other clones, rebrands and similar displacement machines in a variety of 200cc, 250cc and 300cc air and liquid cooled belt drive profiles.
 
Bell has a outside diameter of 146.6mm, inside diameter of 134mm, height of 53mm an the spline hole is 14.7mm.
Drive clutch has a total outside diameter of 16cm and a total height of 8.5cm (total height with bell is 9.5cm). Shaft hole on the clutch side is 22.7mm and 22.4 on the pulley side with a HK222918RS bearing inserted. Bearing has a inside diameter of 22.3mm.