1. All e-Bikes/
  2. City/
  3. I:SY/
  4. I:SY S8 RT
I:SY S8 RT #1 global
Photo 1 of 1
Sold

I:SY S8 RT

€2,199

€3,399new-35%

Sold

Don't hit the brakes! We've picked similar options we think you'll love that offer the same Upway perks: certified by our mechanics, up to 60% off retail and ready to ride.

You may also like

Loadingloading

Looking for a I:SY commuter bike? Be notified as soon they are back in stock — no need to keep checking.

Create alert

You'll receive a notification when new bikes matching your criteria are available online.

Alert Name

Email address

Your height

Alert filters

Please fill in all required fields

Please fill in all required fields

Why we love it

Si vous souhaitez profiter du confort d'un vélo électrique moderne et rapide, vous allez adorer le polyvalent I-SY S8 RT.

Top features

Top-of-the-range engines from top manufacturers
Pedal motor provides smooth, proportional electric assistance

Specifications

General

Brand: I:SY

Model: S8 RT

Usage: City

Color: Green

Year: 2021

Mileage: 98 km

Weight: 24 kg

Frame type: Open

Sizing

Manufacturer's size: Unique (ideal for people between 1m66 and 1m83)

Seat tube length: 48 cm

Equipment & Accessories

Double kickstand: No

Rack position: Rear and front

Rack max. load: 25 kg

Electrical

Battery

Condition: Original

Battery capacity: 400 Wh

Battery location: Frame

Battery removable: Yes

Motor

Brand: Bosch

Model: Active Line

Engine location: Mid-drive

Engine torque: 40 Nm

Max speed: 25 km/h

Display

Display model: Intuvia

Mechanical

Drivetrain & Braking

Shifting: Internal gear hub

Transmission: Chain

Derailleur model: Shimano Nexus

Number of speeds: 8

Brakes: Pad | Hydraulic

Wheels & Tires

Wheels size: 20"

Tires: Schwalbe Balloon Big Ben Plus (55-406)

History and Inspection Report

Inspection

Every e-Bike we sell undergoes our 50-point inspection process. Anything that doesn’t meet our standards is repaired or replaced by our mechanics.

I:SY S8 RT (2021)

Frame, drivetrain, braking system, wheels, tires and suspensions inspected and tested

Battery, motor and display diagnosed and in healthy condition

Software up-to-date

Test ride, deep cleaning and final quality control check

This bike has been inspected and tested in Düsseldorf in July 2025.

Documents

Ownership history

This I:SY S8 RT was sold to us directly from an individual in July 2025.

Additional notes

With this type of Nexus drivetrain, it is recommended that you stop pedalling briefly to change gear.

Warranty and Protection

Included with your bike

Optional coverage available at checkout

See what our customers think of us