Bike Archive
KALOSI ALTERA LOW STEP
KALOSI ALTERA LOW STEP 2026
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503264
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.
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Frameset
FramesetForkSize
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Drivetrain
ShifterCrankCassetteRear DerailleurBBChainPedal
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Cockpit
SaddleSeatpostHandlebarHandlestemHeadset
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Wheel & Tire
Wheel SizeTireRimHubSpokes
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Brake
Brake LeverBrake CaliperRotor
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Electric Parts
MotorSensorBattery
Geometry & Size
| M | L | |
|---|---|---|
| Height (cm) | 160-170 | 170-180 |
| Seat Tube Length (A) | 400 15.75 | 431 16.97 |
| 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 | 120 4.72 |
| Head Tube Angle (E) | 73 2.87 | 73 2.87 |
| Effective Top Tube (F) | 593 23.35 | 593 23.35 |
| 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) | 1061 41.77 | 1091 42.95 |
| Frame Reach (K) | 385 15.16 | 415 16.34 |
| Frame Stack (L) | 621 24.45 | 621 24.45 |
| Standover Height (M) | 521 20.51 | 521 20.51 |