Super73
Super73-S2 Electric Bike
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The Iconic Urban Cruiser
The S2 is a high performance electric motorbike designed for the urban adventurer, built with an aircraft-grade aluminum alloy frame and a fully adjustable air spring suspension fork.
Front Suspension
Inverted coil-spring fork with air assist
Preload, compression, and rebound adjustments
Integrated LED Lights
Comes with both brake lights and a circular headlight
Removable Battery
Easily charge with any standard 110v outlet
40+ miles* of range at 20mph under throttle-only operation
75+ miles* of range using ECO pedal assist mode
State-of-the-art 960 watt-hour batteryMulti-Class Ride Modes
Throttle Operation + Pedal Assist
3 Additional Ride Modes Available
Legally Ride Without a License, Insurance or Registration
Built-In Turn-by-Turn Navigation
Get Directions to Your Route
Displays on Mobile Device & Smart Display -
Frame: 6061 / 7005 Aluminum Alloy, 1-1/8" to 1.5" tapered head tube Motor: Class-1 Mode Output: 750 watts nominal / 1200 watt peak, Class-2 Mode Output: 750 watts nominal / 1200 watt peak (Default), Class-3 Mode Output: 750 watts nominal / 1200 watt peak, Off-Road Mode Output: 1200 watts nominal / 2000* watt peak, *Off-Road Mode peak output will increase from 2000 watts to 2300 watts with future OTA update. Top Speed: Class-1 Mode: 20mph (throttle deactivated, pedal-assist only), Class-2 Mode: 20mph, Class-3 Mode: 28mph (throttle deactivated, pedal-assist only), Off-Road Mode: 28mph + Battery: 960 watt-hours, 21700 cells Weight: 73 lbs Wheelset: 20" x 100mm alloy with lightening cutouts. 9 x 135mm, steel axle Tires: Front: 20 x 4.5" / Rear: 20" x 5" BDGR All-Terrain Inner Tubes: 20" x 4.5-5", angled valve stem Brakes: Tektro Hydraulic, 2-piston forged aluminum caliper, 180mm front, and rear rotors Suspension: Air Spring Fork with adjustable Pre-load, Compression, and Rebound damping, 120mm travel, 32mm stanchion Gearing: 36T / 16T Derailleur: Optional accessory sold separately Display: Transflective Monochrome LCD + Mobile Device IOS + Android Compatible: Yes Headlight: High output triple LED Halo Tail light: LED Horn: Optional accessory sold separately Charger: 3A (6-7 hour charge time) Throttle: Thumb throttle Pedal Assist: 4 modes (ECO, TOUR, SPORT, SUPER) Bottom Bracket: 120mm sealed bearing, square taper Crank / Chain Ring: 125mm alloy crank arms, 36T chainring Seat Height: 31” Weight Limit: 325 lbs
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All bikes purchased through City Grounds MUST be assembled by a certified bike shop mechanic. If the bike is NOT built by a certified bike shop mechanic, any warranty will be VOID. We will request for an assembly receipt as proof of professional installation.
For all warranty claims, please contact our Warranty Team at warranty@citygrounds.com. So that we can help you in a timely manner, make sure to include the following:
- 1. Order Number (we will confirm date of purchase and determine if the item is still under the manufacturer’s warranty time limit)
- 2. Brief description of the claim
- 3. Photographs
- 4. If the item is a bike or frame, include the serial number
We evaluate all warranties case-by-case to determine the best course of action and get you serviced to the best of our ability!
Warranty does not apply to the following:
- • Any part of a product that has been installed, altered, repaired, or misused
- • Damage from unintended style of riding, abuse, neglect, accident, and racing
- • Normal wear and tear of any product (including but not limited to - saddles, grips, tires, tubes, cables, brake pads, chains)
- • Failure to provide regular maintenance of any product
Labor and shipping are the responsibility of the customer. We do not cover parts purchased and labor performed by another bike shop.
Note: Warranty is for original owner only.
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