Size Guide
Description
Specifications
Geometry
Size Guide
Assembly
BEYOND THE CITYSCAPE
The Kalosi Altera combines convenience, performance, and comfort in one sleek ride. With easy access, intuitive controls, and powerful assistance, it’s the ultimate way to move from here to there and everywhere in between.
LOW EFFORT HIGH ENJOYMENT
Our pedal assist system amplifies your effort up to 25km/h or 45km/h** with five assist modes and 55Nm of torque. The integrated 690Wh battery allows you to tackle hills and glide over smooth roads, extending your journey up to 120 km.
BUILT FOR EVERYDAY RIDES
With mudguards, lights, and a rear rack, the Kalosi Altera ensures a smooth, safe ride in any condition. It’s designed to go the distance, offering practicality, comfort, and versatility for every journey - day or night.
COMFORTABLE GEOMETRY
Engineered for ultimate comfort, the Kalosi Altera offers both low- and high-step frame options to suit your riding style. Its adjustable stem and raised handlebars enhance comfort and control for a smooth, confident ride.
BAFANG POWERFUL MOTOR
Discover the ultimate riding experience with the powerful 500W motor, delivering 60N.m of torque for effortless, thrilling rides.
SHIMANO CUES 9-SPEED DRIVETRAIN
Reliable and long-lasting, balancing performance and value. Built for extended life, reducing the replacement frequency for cassettes, chains, and derailleurs.
SUNTOUR MOBIE 32
The SR Suntour Mobie 32 coil spring fork delivers a powerful 75 mm of travel for an exceptionally smooth and comfortable experience.
MAXXIS METROPASS TYRES
Built for all-weather performance, these tyres feature a 3mm rubber layer, cut-resistant reflective sidewalls for smooth rides, and enhanced visibility in rain, slush, or rough terrain.
RIDE SMART & STAY VISIBLE
Integrated front & rear lights boost safety, mudguards keep you clean, and the Bafang DP C245 1.9” TFT display provides real-time ride data at a glance.
We reserve the right to modify product specifications and details without prior notification.
Length measurements are provided in millimeters and degrees, unless specified otherwise.
If you are outside of the size range or unsure of the best fit, give us a call and we'll help get you on the right bike.
| Size | Age | Range (cm) | Range (ft & in) |
|---|---|---|---|
| 12" (Balance) | 2 - 4 | 80 - 100 | 2'6" - 3'1" |
| 16" | 4 - 7 | 100 - 120 | 3'4" - 4'0" |
| 20" | 7 - 9 | 120 - 135 | 4'0" - 4'5" |
| 24" | 9 - 11 | 135 - 145 | 4'5" - 4'9" |
If you are outside of the size range or unsure of the right fit for you, give us a call or come in and visit your local store to talk about your best options.
Explore our series of how-to video guides designed to walk you through every stage of assembling and fine-tuning your new Polygon Kalosi Altera - Urban eBike. Whether you watch the entire series or focus on specific tasks, we've got you covered. Our dedicated Customer Service team is here to offer expert advice and ensure your bike is ready for the road.
Planning to assemble at home? Remember to install the pedals with care. Make sure to align them square and gently tighten to avoid stripping the threads.
Description
BEYOND THE CITYSCAPE
The Kalosi Altera combines convenience, performance, and comfort in one sleek ride. With easy access, intuitive controls, and powerful assistance, it’s the ultimate way to move from here to there and everywhere in between.
LOW EFFORT HIGH ENJOYMENT
Our pedal assist system amplifies your effort up to 25km/h or 45km/h** with five assist modes and 55Nm of torque. The integrated 690Wh battery allows you to tackle hills and glide over smooth roads, extending your journey up to 120 km.
BUILT FOR EVERYDAY RIDES
With mudguards, lights, and a rear rack, the Kalosi Altera ensures a smooth, safe ride in any condition. It’s designed to go the distance, offering practicality, comfort, and versatility for every journey - day or night.
COMFORTABLE GEOMETRY
Engineered for ultimate comfort, the Kalosi Altera offers both low- and high-step frame options to suit your riding style. Its adjustable stem and raised handlebars enhance comfort and control for a smooth, confident ride.
BAFANG POWERFUL MOTOR
Discover the ultimate riding experience with the powerful 500W motor, delivering 60N.m of torque for effortless, thrilling rides.
SHIMANO CUES 9-SPEED DRIVETRAIN
Reliable and long-lasting, balancing performance and value. Built for extended life, reducing the replacement frequency for cassettes, chains, and derailleurs.
SUNTOUR MOBIE 32
The SR Suntour Mobie 32 coil spring fork delivers a powerful 75 mm of travel for an exceptionally smooth and comfortable experience.
MAXXIS METROPASS TYRES
Built for all-weather performance, these tyres feature a 3mm rubber layer, cut-resistant reflective sidewalls for smooth rides, and enhanced visibility in rain, slush, or rough terrain.
RIDE SMART & STAY VISIBLE
Integrated front & rear lights boost safety, mudguards keep you clean, and the Bafang DP C245 1.9” TFT display provides real-time ride data at a glance.
Specifications
We reserve the right to modify product specifications and details without prior notification.
Geometry
Length measurements are provided in millimeters and degrees, unless specified otherwise.
Size Guide
If you are outside of the size range or unsure of the best fit, give us a call and we'll help get you on the right bike.
Assembly
Explore our series of how-to video guides designed to walk you through every stage of assembling and fine-tuning your new Polygon Kalosi Altera - Urban eBike. Whether you watch the entire series or focus on specific tasks, we've got you covered. Our dedicated Customer Service team is here to offer expert advice and ensure your bike is ready for the road.
Planning to assemble at home? Remember to install the pedals with care. Make sure to align them square and gently tighten to avoid stripping the threads.
Our Polygon Kalosi Altera - Urban eBike includes the industry-leading Reid Warranty: lifetime on frame/rigid forks and 2 years on non-consumable parts. Shop online to enjoy a 30 Day Test Ride to guarantee you get a great deal.
Home Delivery
Our bikes are shipped in a box 85% assembled and require basic assembly, like turning handlebars and inserting pedals. Check out our Assembly Videos that give instructions on how to do this.
Buy One, Plant One
Since January 2020 we have worked with not-for-profit reforestation partners to donate enough money to pay a local person a fair wage to grow, plant and guard to maturity 1 native tree for every bike we sell.
We've now planted more than 395,000 trees and counting.
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