TVS Jupiter STD and ZX variant only have cosmetic differences. Mechanically, the bikes remain the same. The TVS Jupiter ZX is powered by the same 109.7cc single cylinder engine which produces 7.88 bhp @ 7500 rpm and 8Nm @ 5500 rpm. Contrary to expectations, the bike does not get front disc brakes. So the only difference among both the motorcycles is cosmetic. The ZX variant costs an extra INR 2000.