Polygon Kalosi Altera ST - Urban E-Bikes
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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 |
Ordering & Products
```Are the products sold by Runcycles genuine?
Runcycles offers new bicycle products, components, accessories, and related products from established brands. Product information, specifications, and package contents are provided on the individual product page. Customers are encouraged to review the product details carefully before placing an order.
How do I place an order?
Select the product you would like to purchase, choose any available options, add the item to your cart, and proceed through checkout. Please make sure your shipping address, contact information, and order details are correct before completing payment.
Can I contact Runcycles before placing an order?
Yes. If you have questions about product specifications, compatibility, availability, shipping, or your order, please contact our customer support team before purchasing.
Shipping & Delivery
```Do you ship internationally?
Yes. Runcycles serves international customers and offers worldwide shipping options. Availability and shipping costs may vary depending on the selected shipping service.
How long does shipping take?
Delivery time depends on the selected shipping service. Estimated delivery time information will be provided during the ordering process, if available.
Will I receive a tracking number?
Yes. When tracking is available for your shipment, tracking information will be provided after the order has been dispatched.
Payment
```What payment methods are available?
Available payment methods are displayed during checkout. Depending on your location and order, payment options may include PayPal, major credit or debit cards, and international bank transfer.
Which currencies can I use?
Currency availability may depend on the checkout system and your location. Please check the currency displayed at checkout before completing your purchase.
Returns & Refunds
```Can I return an item?
Returns are subject to the Runcycles return policy and the eligibility requirements applicable to the purchased product. Please review the return conditions before sending any item back.
What should I do if my order arrives damaged?
Please contact Runcycles as soon as possible and provide clear photographs or video showing the condition of the package and product. Our support team will review the issue and provide instructions for the next step.
Warranty
```Do products include a warranty?
Warranty coverage depends on the manufacturer and the specific product. Where available, warranty information is displayed on the relevant product page or provided with the product.
How do I make a warranty claim?
Contact Runcycles with your order information and details of the issue. Depending on the product and manufacturer, additional photographs, serial numbers, or other documentation may be required.
Product Information
```Where can I find the product specifications?
Product specifications are displayed on each individual product page. Please review the specifications, compatibility information, dimensions, included components, and other product details before ordering.
Are product images exactly the same as the item I will receive?
Product images are provided for identification and illustration. Product appearance, packaging, graphics, or included accessories may vary by model, production batch, or manufacturer. Please refer to the written specifications and package contents for the most accurate product information.
Customer Support
```How can I contact Runcycles?
For order assistance, product questions, or other inquiries, please contact our customer support team.
Email: order@runcycles.com
How quickly will customer support respond?
We aim to respond to customer inquiries as quickly as possible during business hours. Response times may vary depending on the nature and complexity of the request.
