Altis Sigma vs Heybike Villain: which is bigger?
The Altis Sigma is the bigger bike. Its wheelbase is 8.1 in (205 mm) longer (50.6 in (1,285 mm) vs 42.5 in (1,080 mm)), its seat sits 3.6 in (91 mm) higher, and it weighs 60 lb (27 kg) more.
With a 29.5 in (749 mm) seat, riders around 5'0" and up can get the balls of both feet down once suspension sag is counted, and riders around 5'5" and up can flat-foot it. On the Altis Sigma, with a 33.1 in (840 mm) seat, riders around 5'8" and up can get the balls of both feet down once suspension sag is counted, and riders around 6'1" and up can flat-foot it.
Silhouettes are traced from manufacturer side-profile photos and scaled so the wheel-to-wheel distance matches the published wheelbase, so small parts like mirrors and fenders may be off by a few percent.
Questions
Is the Altis Sigma bigger than the Heybike Villain?
Yes. The Altis Sigma has the longer wheelbase, 50.6 in (1,285 mm) vs 42.5 in (1,080 mm).
Which has the lower seat height, the Altis Sigma or the Heybike Villain?
The Heybike Villain, at 29.5 in (749 mm) vs 33.1 in (840 mm) for the Altis Sigma, a 3.6 in (91 mm) difference.
How tall do you need to be for the Altis Sigma vs the Heybike Villain?
Roughly: the Altis Sigma suits riders from about 5'8" (balls of feet down) and the Heybike Villain from about 5'0". Shorter riders manage both with lowering links or a slimmer seat. Enter your height above to see yourself next to both.
Which is lighter, the Altis Sigma or the Heybike Villain?
The Heybike Villain: 126 lb (57 kg) vs 185 lb (84 kg) for the Altis Sigma. Manufacturers don't all weigh the same way, so treat small gaps as a wash.
Which is faster?
The Altis Sigma has the higher claimed top speed: 75 mph vs 45 mph.