The maximum diameter parameters of the circular disc are as follows:

Round disc 32T: Φ About 136mm
Round disc 34T: Φ About 144mm
Round disc 36T: Φ About 153mm
Round disc 38T: Φ About 160mm
Round disc 40T: Φ About 168mm
Round disc 42T: Φ About 176mm

104BCD disc weight:

Round disc 32T: About 41g
Round disc 34T: About 52g
Round disc 36T: About 55g
Round disc 38T: About 70g
Round disc 40T: About 75g
Round disc 42T: About 92g
Oval disc 32T: About 41g
Oval disc 34T: About 52g
Oval disc 36T: About 55g
Oval disc 38T: About 70g

96BCD disc weight:

Round disc 32T: About 40g
Round disc 34T: About 43g
Round disc 36T: About 50g
Round disc 38T: About 55g
Oval disc 32T: About 40g
Oval disc 34T: About 43g
Oval disc 36T: About 50g