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Orbea Optima E50 Urban E-Bike


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Optima is a seemingly “normal” bicycle, but both the architecture and the ergonomics of the new Optima are innovative. It’s a bike designed to be used as an electric bicycle from the conceptual design phase. This has meant revamping the product to the point that even its architecture changed.

  • Lightweight: Only 16Kg!
  • Range: 35mi
  • Charge time: 3H
  • Ebikemotion X35 Power Unit

Bicycle Size Guide:

  • Small: 150-165cm
  • Medium: 165-180cm
  • Large: 180-200cm

Orbea Optima E50 0003 Rear Hub 250W

Orbea Optima E50’s Ebikemotion X35 Power Unit

The Ebikemotion X35 is aiming to be one of the most innovative E-road bike systems around!

The Ebikemotion X35 M1 hub motor provides support with a torque of up to 40 Nm. In contrast to the other concepts we’ve looked at, the motor doesn’t assist you based on your cadence or power input, but instead outputs power based on how quickly the cassette is turning relative to the hub.

At the 15.5 mi/h assistance limit, the Orbea Optima E50’s motor reduces its assistance linearly and ensures a smooth transition to purely muscle-powered riding. Below the limit, the motor reengages softly and without any stuttering. Because the motor requires more input to reach the same speed, your muscles are also more ready to take over when the assistance disappears, allowing you to pedal smoothly.

Orbea Optima E50 – Shimano Mechanical Disc Brakes

The SHIMANO TOURNEY TX mechanical disc brake offers reliable brake performance with smooth, light action.


  • Reliable brake performance with smooth, light action
  • Quick assembly: Clean cable routing in combination with both chain stay and seat stay mount
  • More affordable mechanical disc brake with CENTER LOCK system
Shimano Tx805 Mechanical Disc
Orbea Optima E50 0000 Blue Ebike Rider

Lightweight Ebike Powered by Mahle

The Orbea Optima E50 is packed full of practical included features such as fenders, a kickstand, lights and a pannier rack. The Mahle Ebikemotion motor system is lighter, quieter, and smooth. With three easy-to-use assist levels, the Optima E50 will easily glide up any gradient. From a simple cruise around the city to climbing that steep hill you will feel energized. Paired with the lightweight 248Wh battery it will give a maximum range of over 60km.

Comfortable, Stable & Safe Electric Bike

Riding comfort on the Orbea Optima E50 is top-notch thanks to the upright riding position. Paired with wider tires and a gel saddle that iron out even the roughest city streets. The Shimano disc brakes offer safe and powerful deceleration in all conditions. The comfortable and stable ride ensures a fun ride. So whether it’s a trip across town or commuting to work the Orbea Optima E50 will get you there.

Orbea Optima E50 City Electric Bike

Orbea Optima E50 Key Features

  • The Frame
    The Optima E40 features a lightweight aluminum frame. Our test model weighed in at 44.25 pounds. The step through design is ideal for a wide variety of different riders, making it easier to get on and off the bike.
  • Specialized U1-500Wh Battery
    Fully integrated into the downtube, the lithium-ion battery is both powerful and inconspicuous with 500Watt hours and 25-60 miles of range.
  • Ebikemotion X35 System
    The X35 ebike system is lightweight and powerful. In fact, the entire electrical system and motor weighs in at under 8 pounds. This makes the E40 more like a regular bike to ride.
  • Accessories
    The E40 comes with useful accessories including running lights, fenders, a rear rack and a bell. The comfort-oriented accessories include ergonomic grips as well as a special handlebar and stem. It all adds up to a very versatile yet comfortable bike.
  • Hydraulic disc brakes
    The Shimano hydraulic disc brakes have excellent stopping power and are far superior to mechanical disc brakes, which are typically offered on bikes in this category. You don’t have to be a racer to appreciate the benefits of hydraulic disc brakes.
  • 10 Speed Shimano Drivetrain
    Shimano Deore shifters with RapidFire function make it so you can quickly and easily move through gears. The 10 speed drivetrain features 11-42t sprockets in the rear and a 48T chainring with nice guard for protection.
  • Nimbus Sport Reflect Tires, 650b x 2.3″, 60 TPI (front and rear)
    The 650b Nimbus tires have street-tread and reflective stripes on the sidewall for visibility. Schrader valves can be refilled at any air station.
  • 30-degree Backswept Handlebars, 26mm rise, 680mm width, 31.8mm
    Sweptback handlebars with 20 degree stem post facilitate an upright position. Leather-wrapped ergonomic grips are both stylish and comfortable
  • Specialized Commuter Pedals w/ grip tape & reflectors
    Flat pedals with reflectors work with any shoe (or sandal). They aren’t super grippy, but offer a wide surface for any size foot or shoe.
Kendo Front Light

Comfort and Utility

The Orbea Optima E50 is lightweight and comfortable. Weighing in at only 16Kg, this is an ebike that you can actually lift over the curb. The ergonomic handlebar grips, high rise stem and swooping handlebars help to alleviate hand and wrist pressure while keeping your posture upright. However, it would be nice if the stem offered more adjustability in terms of the rise.

The Orbea Optima E50 does have a unique comfort feature: shorter 152mm cranks. They end up being a bit easier to pedal in a circle, especially for the cyclist that has a limited range of motion. This makes the E50 ideal for someone who is just getting into cycling as well.

The Orbea Optima E50 was also designed with utility in mind. It features integrated front and rear running lights: which turn on at the push of a button, a rear rack, and a chain guard. This makes the E50 ideal for everyday use. A trip to the store in the dark is no problem. A ride in the rain becomes easier. The Optima E50 is up for anything.

Orbea Optima E50 Urban Electric Bike

The Electrical System

Comfort style ebikes come in a few different classifications. The Orbea Optima E50 is a class 1 ebike, meaning that it is pedal assist up to 15.5 mph. The E50 does not have a throttle.

The controls on the E50 are simple and easy to use. Press the centre button on the handlebar remote control to turn the system on. The first colour flash gives you a general indication of battery life. Then use the arrow buttons on the remote control to choose your level of assistance. Up provides more assistance and down provides less assistance. The coloured light on the control module indicates the current level of assist. There are four different modes or levels of assist:

  • White, no assist – You can save power and ride it just like a regular bike.
  • Green, low assist – Gives you a small boost, but easy on battery life.
  • Orange, medium assist – More helpful on the hills.
  • Red, high assist – Very helpful on hills, but uses the most battery life.

The Optima features the Ebikemotion X35 ebike system, manufactured by MAHLE. The Ebikemotion system provides an experience that feels more like riding a regular bicycle because the drivetrain isn’t too heavy and overpowering.

Here are a few key advantages to the Ebikemotion system:

  • Hidden – most of the X35 system is hidden inside the bike frame. The biggest giveaway is an oversized rear drive hub.
  • Lightweight – the entire ebike system and motor weighs under 8 pounds.
  • Modular – Add an additional battery that fits inside a water bottle cage to double your mileage range.
  • Connectivity – Connect to the ebike system and get metrics with a handy app. Features Bluetooth connectivity on 2019 models and Bluetooth and ANT+ for 2020 models.

The Ebikemotion system is driven by a relatively quiet 250-watt rear hub motor. When the motor is on, you will hear a bit of a whirring noise. However, it’s not loud enough to attract attention or prevent you from having a good conversation. MAHLE explains that the motor is also designed to reduce drivetrain friction when it is off.

The bottom line is, the Orbea Optima E50 rides very much like a regular bike, even when the motor is not providing assistance. The Ebikemotion system creates an experience that feels very much like riding a regular bike versus riding a really heavy ebike.

Additional information


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Frame Size

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Front Fork


VP-Z104PD 1-1/8" Semi-Cartridge



Shimano SL-M315


Sun Race CSM66 11-34t 8-Speed

Rear Derailleur

Shimano Tourney TX800


Handle Bars




Ready GR 29-700 C


Wheel Lock

Safety Lock


Front Light

Rear Light


Sunon A017

Kick Stand

Seat Post



Motor Power

Battery Size

Battery Type


1 review for Orbea Optima E50 Urban E-Bike

  1. Avatar Of Janinne R.

    Janinne R.

    A fantastic bike for around the city, punchy and really light-weight.

    Colour: Blue, Frame Size: Medium x 1
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