OnEll's current catalog includes five 20-inch elliptical bikes: F3.20, RX3.20, FD3.20, F8.20, and FD8.20. The clearest differences when choosing are frame type, drivetrain, and the RX's specific features.
Configuration table
| Model | Structure | Shimano Nexus | Range colors |
|---|---|---|---|
| F3.20 | Fixed frame | 3 speeds | Black, green, orange, and white |
| RX3.20 | Fixed frame | 3 speeds | Black |
| FD3.20 | Folding frame | 3 speeds | Black, green, orange, and white |
| F8.20 | Fixed frame | 8 speeds | Black, green, orange, and white |
| FD8.20 | Folding frame | 8 speeds | Black, green, orange, and white |
The colors show the options in each range. Check purchase availability for the selected product variant. OnEll presents the RX3.20 exclusively in black, with a 14-tooth chainring.
What the models share
The brand's specifications list 20-inch wheels, a 6061 aluminum frame, stainless steel platforms, and special-alloy connections. The published assembled length is 1.60 m, and the stated maximum load is 140 kg. The front and rear brakes are hand-operated.
These points help explain the range's common foundation, but they do not replace confirmation of specific measurements. Bike weight, folded dimensions, and packaging dimensions should be checked whenever your plans require them.
How to narrow your options
Start with the frame type. If folding is a requirement, focus on the FD3.20 and FD8.20. If you are considering a fixed frame, compare the F3.20, F8.20, and the RX3.20's specific features.
Then examine the drivetrain and ask support about your intended use. The 3-speed or 8-speed guide organizes this second step. Do not choose a configuration just because its name contains a larger number.
Where to find current prices and details
Visit the F3.20, RX3.20, FD3.20, F8.20, and FD8.20 pages. They show pricing and availability for each variant, along with photos and model-specific questions.
For a visual comparison, use the store's comparison tool. Before deciding, also review the online purchase checklist, particularly variant identification, delivery, and purchase terms.

