Polygon Kalosi Altera ST - Urban E-Bikes
Product Description
Polygon Kalosi Altera ST – Urban E-Bike
Beyond the Cityscape
The Polygon Kalosi Altera ST combines convenience, performance, and comfort in one sleek urban ride. Designed for effortless daily mobility, it delivers intuitive controls, smooth pedal assistance, and confidence-inspiring geometry for every journey.
Low Effort, High Enjoyment
The pedal assist system amplifies your effort up to 25 km/h with five assist modes and 55Nm of torque. Powered by a large 690Wh integrated battery, the Kalosi Altera ST lets you climb hills and cruise city streets with ease — reaching up to 120 km per charge.
Built for Everyday Rides
Equipped with mudguards, integrated lights, and a rear rack, the Kalosi Altera ST is ready for commuting in all conditions. Ride safely, comfortably, and confidently — day or night.
Comfortable Geometry
Designed with urban comfort in mind, the Kalosi Altera ST features a step-through frame, adjustable stem, and upright riding position. This geometry reduces strain and enhances control for relaxed, confident riding.
Technical Specifications
| Frameset | |
|---|---|
| Frame | ALX e-City Commuting, Integrated Downtube Battery, Internal Cable Routing |
| Headset | S.H.I.S. ZS 56/28.6 | ZS 56/40 |
| Suspension | |
| Fork | SR Suntour Mobie 32, 75mm Travel, Coil Spring, 15x100mm Thru-Axle |
| Drivetrain | |
| Rear Derailleur | Shimano CUES RD-U4000, 9-Speed |
| Shifter | Shimano CUES SL-U4010-R, 9-Speed |
| Crank | Prowheel EB01-Pro, 170mm |
| Chainring | 44T |
| Cassette | Shimano CUES CS-LG300-9, 11-46T |
| Chain | KMC Eglide 9-Speed |
| E-System | |
| Motor | Bafang G020, 48V 500W, 55Nm Torque, Integrated Torque Sensor |
| Battery | GreenWay ZZ618, 690Wh, 48V 15Ah, LG 21700 Cells |
| Controller | Bafang CR C101.C, CAN Protocol |
| Display | Bafang DP C245.CAN, 1.9” TFT, Bluetooth |
| Assist Modes | 5 Modes: Eco, Tour, Sport, Sport+, Boost |
| Range | Up to 120 km (depending on conditions) |
| Charging Time | 4 Hours (0–100%) |
| Charger | Greenway MD310 54.6V / 4A |
| Brakes | |
| Front Brake | Shimano BR-MT201 Hydraulic Disc |
| Rear Brake | Shimano BR-MT201 Hydraulic Disc |
| Rotor | Shimano SM-RT26, 180mm |
| Wheels & Tires | |
| Rims | Double-Wall Alloy, 23mm Internal Width |
| Tires | Maxxis Metropass 27.5 x 2.4", Reflective Sidewalls |
| Max Tire Size | 27.5 x 2.6" |
| Components | |
| Saddle | Selle Royal A059H |
| Seatpost | 30.9 x 350mm Alloy |
| Handlebar | 680mm Width, Alloy |
| Stem | 75mm Length, Alloy |
| Accessories | |
| Kickstand | Included |
| Mudguards | Front & Rear Included |
| Size | |
| Available Sizes | S / M / L |
How to Place an Order
To place an order, please register first at the "Register" menu on our website.
Please fill the blank form with the complete information. Then please to choose the product you want by clicking the "Add to Cart" button. To continue order, please click "My Cart" in Right top column on our website.
Please fill your complete address for shipping purpose. Then, choose the shipping method you want, and next please to choose the system payment you want. And the last, please fill the comment box if there is any important about the product. And to finish it, please click "Confirm your Order". And one more thing, our company can only make delivery package for the purchase price above $500.
We will response and process your purchase order as soon as possible by giving you the invoice and payment information according you purchase order. And please make the payment after we send the status of your purchases to be confirmed or please make a payment if you have received the invoice from us.
For administrative completeness of our company, please confirm to us your payment by giving scanned/screenshoot/copy/photo of your payment proof if you have made a payment, so we can confirm it to our administration staff. And then we will immediately process your order shipping by giving you the tracking number from the shipping company. And the tracking number will given at least 1-2 days after payment is made.
We will cancel your purchase order if there is no actions from you about payment at least 3 days after the invoice has been given to you.
Contact Us
If you have any questions, please contact us at:
Email: [email protected] / [email protected]
