Bike Archive
KALOSI ALTERA HIGH STEP
KALOSI ALTERA HIGH STEP 2026
-
503263
Elevate your daily commute and weekend escapes with the Polygon Kalosi. Built for those who want to move through the city with effortless speed and modern style, this pedal-assist electric bike is designed to be the ultimate smart urban commuter
With its sleek integration and rider-focused geometry, the Kalosi turns every steep hill into a flat road and every long distance into a quick trip.
Specification
*Specifications, colors, and product availability are subject to change without prior notice.
-
Frameset
FramesetForkSize
-
Drivetrain
ShifterCrankCassetteRear DerailleurBBChainPedal
-
Cockpit
SaddleSeatpostHandlebarHandlestemHeadset
-
Wheel & Tire
Wheel SizeTireRimHubSpokes
-
Brake
Brake LeverBrake CaliperRotor
-
Electric Parts
MotorSensorBattery
Geometry & Size
| M | L | |
|---|---|---|
| Height (cm) | 160-170 | 170-180 |
| Seat Tube Length (A) | 431 16.97 | 470 18.5 |
| Seat Tube Angle (B) | 74 2.91 | 74 2.91 |
| Effective Seat Tube Angle (C) | 74 2.91 | 74 2.91 |
| Head Tube Length (D) | 120 4.72 | 130 5.12 |
| Head Tube Angle (E) | 73 2.87 | 73 2.87 |
| Effective Top Tube (F) | 593 23.35 | 621 24.45 |
| Bb Height (G) | 294.5 11.59 | 294.5 11.59 |
| Bb Offset (H) | 70 2.76 | 70 2.76 |
| Chainstay Length (I) | 445 17.52 | 445 17.52 |
| Wheelbase (J) | 1091 42.95 | 1119 44.06 |
| Frame Reach (K) | 415 16.34 | 440 17.32 |
| Frame Stack (L) | 621 24.45 | 630.5 24.82 |
| Standover Height (M) | 714 28.11 | 748 29.45 |