Kuberg Freerider vs Altis Sigma: which is bigger?
The Altis Sigma is the bigger bike. Its wheelbase is 1 in (25 mm) longer (50.6 in (1,285 mm) vs 49.6 in (1,260 mm)), its seat sits 0.2 in (5 mm) lower, and it weighs 97 lb (44 kg) more.
With a 33.3 in (845 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. 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 Kuberg Freerider bigger than the Altis Sigma?
No. The Altis Sigma has the longer wheelbase, 50.6 in (1,285 mm) vs 49.6 in (1,260 mm).
Which has the lower seat height, the Kuberg Freerider or the Altis Sigma?
The Altis Sigma, at 33.1 in (840 mm) vs 33.3 in (845 mm) for the Kuberg Freerider, a 0.2 in (5 mm) difference.
How tall do you need to be for the Kuberg Freerider vs the Altis Sigma?
Roughly: the Kuberg Freerider suits riders from about 5'8" (balls of feet down) and the Altis Sigma from about 5'8". 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 Kuberg Freerider or the Altis Sigma?
The Kuberg Freerider: 88 lb (40 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 47 mph.