E Ride Pro SR 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 0.4 in (10 mm) higher, and it weighs 2 lb (1 kg) more.
With a 32.7 in (830 mm) seat, riders around 5'7" and up can get the balls of both feet down once suspension sag is counted, and riders around 6'0" 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 E Ride Pro SR 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 E Ride Pro SR or the Altis Sigma?
The E Ride Pro SR, at 32.7 in (830 mm) vs 33.1 in (840 mm) for the Altis Sigma, a 0.4 in (10 mm) difference.
How tall do you need to be for the E Ride Pro SR vs the Altis Sigma?
Roughly: the E Ride Pro SR suits riders from about 5'7" (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 E Ride Pro SR or the Altis Sigma?
The E Ride Pro SR: 183 lb (83 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 70 mph.