Altis Sigma vs ReRode R1+: which is bigger?
The Altis Sigma and ReRode R1+ are almost the same size: their wheelbases are within 0.2 in (5 mm) of each other (50.6 in (1,285 mm) vs 50.4 in (1,280 mm)). Where they differ, the Altis Sigma is the one where its seat sits 0.2 in (5 mm) lower and it weighs 35 lb (16 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 Altis Sigma bigger than the ReRode R1+?
They're nearly identical in size. Wheelbase: 50.6 in (1,285 mm) vs 50.4 in (1,280 mm).
Which has the lower seat height, the Altis Sigma or the ReRode R1+?
The Altis Sigma, at 33.1 in (840 mm) vs 33.3 in (845 mm) for the ReRode R1+, a 0.2 in (5 mm) difference.
How tall do you need to be for the Altis Sigma vs the ReRode R1+?
Roughly: the Altis Sigma suits riders from about 5'8" (balls of feet down) and the ReRode R1+ 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 Altis Sigma or the ReRode R1+?
The ReRode R1+: 150 lb (68 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 62 mph.