does anybody knows what mm does the b16a thr.body has and the gsr??
i think i know type r is 62mm
whats b16a and b18c gsr?

 

b16 is 60mm ..correct me if im wrong

 

b18c1 60
b18c spec R 62
b18a 58
b18b 60
b16a SiR 58
b16a Sir2 / b16a2 60
b16a3 58
b20b/z 60
f20c 62
d15b7 56
d16a6 55
d16y7 56
d16y8 56
d16z6 56
ZC 55
d16a1 55
d16a8 55
h22a / h23a 60
f22 / f23 60

 

thank you!