Ultraviolette F77 Electric Motorcycle 2020: All You Need to Know

Here’s All You Need To Know About The Ultraviolette F77 2020

Ultraviolette Automotive is a Bengaluru-based start-up that has recently launched the F77 – India’s first indigenous all-electric sports bike. Designed and developed in Bengaluru, with the backing of industry heavyweights like the TVS Motor Company, the F77 features some interesting technological features that include a set of high-density lithium-ion battery packs, which are much lighter than conventional ones. Here are five things you need to know about the new Ultraviolette F77.

Ultraviolette F77 Electric Motorcycle 2020: All You Need to Know

Ultraviolette has launched India’s fastest electric motorcycle, the F77. It offers performance on par with 300cc sports bikes. It even impresses with its battery and charging technology. This new electric motorcycle is an interesting proposition and here's all you need to know about it.


The F77 was always conceived as a performance-biased electric motorcycle and not a humdrum commuter. There are, in fact, quite a few manufacturers that have launched all-electric scooters with a greater emphasis on everyday utility and range but not on outright performance. This is where Ultraviolette distinguishes itself by launching a 200cc-250cc motorcycle-rivaling, all-electric model. The focus is clearly on offering a similar experience to that of a petrol-powered motorcycle, not only in terms of performance but also on factors such as ride and handling. We were, in fact, the only automobile publication to ride the final prototype version (LINK) a few months back, and going by the specifications, the F77 looks quite promising


The F77 is powered by a 25kW motor that’s nestled within a bespoke frame and develops 33.5hp at 2,250rpm, along with 90 Nm of torque. Power is sent to the rear wheel via an X-ring chain drive with a 14T sprocket at the front and a 46T sprocket on the rear wheel.

Those are pretty impressive figures and, as is the case with most electric vehicles, torque is available literally on tap. Claimed performance figures for an e-vehicle are hence ...er ...electrifying – 0-60kph comes up in 2.5sec, while the 100kmph mark will fly by in 7.5sec. The bike will go on to hit its top speed of 147kph and that’s quick enough for our roads. There are three ride modes – Eco, Pro and Insane – with the last one offering maximum performance, albeit at the cost of the lowest possible range. Although, Ultraviolette says their battery technology has ensured that the F77 manages a realistic range in spite of the performance on offer.

Ultraviolette F77 Electric Motorcycle 2020: All You Need to Know

The F77 will feature a raft of connected technologies that can be accessed via an ios and Android based Smartphone app. A 5.0-inch TFT instrument panel acts as the interface, with buttons on the switchgear to operate various functions. A touch screen panel, like on the Ather 450, would’ve added to the cost, says Ultraviolette. Other features on the F77 include geofencing, automatic battery compartment ejection, remote start-stop, error reporting, and a nine-axis IMU for ride analysis.


At the touch of a button, a stack of three removable lithium-ion batteries, sitting inside a tray, pop out of the fairing in a rather captivating sci-fi fashion. Each battery pack is IP67-rated and weighs only 8.5kg; Ultraviolette says it is one of the most power-dense batteries in the world. The batteries alone contribute to major weight savings and that explains why the e-motorcycle has an impressive 158 kg kerb weight. Ultraviolette says that they’ve tested the battery packs for durability while riding over rough terrain. The batteries come with their own processor, memory, wireless communication an GPS module.

The batteries offer a combined range of 130-150km on a single charge and it takes 5 hours to brim it with juice, while a fast charger, sold separately, drops charging time to just 1.5 hours. In addition, Ultraviolette will also sell you a 3kW portable ‘power bank’ that can be carried in a backpack. It can charge the batteries up to 80 percent in 50 minutes, which should help alleviate range anxiety concerns. For those looking to charge the batteries at home, a special charging pod, sold separately,

Chassis and suspension

Besides the large electric motor and battery housing within the chassis, the rest of the F77’s components are similar to what you’d see on a conventional, petrol-powered motorcycle. There's a USD fork at the front and a preload adjustable monoshock at the rear. The wheels are cast alloy, designed by the Ultraviolette team. Even the brakes are the same Bybre units as on the KTM RC 390.



The Ultraviolette F77 is available in three variants – Lightning, Shadow and Laser – and customers can choose to fit a variety of accessories, which includes panniers. The F77 will set you back by Rs 3-3.25 lakh on-road. Although bookings are open, deliveries will only commence in October 2020, because there's still some fine tuning left to do. Components such as the switchgear, for instance, have not been finalized and the company wants to ensure that customers receives a glitch-free motorcycle.
It is as quick as the TVS Apache RR 310:

Ultraviolette F77 Electric Motorcycle 2020: All You Need to Know

Ultraviolette claims the F77 does a VBox tested 0-60kmph in a scant 2.92 seconds and 0-100kmph in 7.03 seconds. That is as quick as the Apache and just a second off the 0-100kmph figure of the KTM 390 Duke! You can check out the performance comparison between the three here. The VBox tested top speed is 147kmph which is quite quick for an entry-level performance motorcycle. These figures are courtesy a 25kW BLDC electric motor which offers up to 90 Nm of torque. There is no gearbox and so there are no gear and clutch levers. The F77 has its rear brake lever mounted near the right leg like conventional motorcycles.

It offers a good range as well:

The 4.2kWh modular battery platform holds three swappable lithium-ion battery packs which offer a combined real-world range of 130 to 150km on a full charge. For reference, the Revolt RV 400 offers an ARAI tested range of 156km.  Each battery pack weighs just 8.5kg and is brimming with tech. You can read all about it here.

It is feature-packed:

Like the Revolt RV 400 and Ather 450, the F77 is loaded with features and technology. You get the de rigeur all-LED lighting, a full-color TFT screen, Bluetooth connectivity, over-the-air updates, three ride modes (Eco, Sport & Insane) and a dedicated app that displays important details like the battery charge and range. It also allows you to adjust torque delivery and battery regeneration level as per your liking.

You can charge it three ways:

The F77 comes with a built-in 1kw AC charger which plugs into your household three-point power socket. With this setup, the batteries can be charged up to 80 percent in three hours and fully charged in five hours. Ultraviolette also offers a 3kW DC fast charger that plugs into the socket over the dummy fuel tank. It charges the batteries up to 80 percent in less than 50 minutes while a full charge takes less than 90 minutes. The compact fast charger needs a 15 amp socket and would cost an additional Rs 20,000.

Ultraviolette F77 Electric Motorcycle 2020: All You Need to Know

The third option is a Home Charging Pod which can hold up to three battery packs. You can simply remove the battery packs from the motorcycle and charge them at home on the pods. Ultraviolette will also sell separate battery packs so if you have range anxiety, you can carry one pack along. You can run the F77 on a single battery pack but it will offer performance on par with 150cc bikes.

It gets sporty underpinnings:

The Ultraviolette F77’s underpinnings are quite similar to that of the KTM 390 Duke. It is based on a trellis frame and gets an upside down cartridge type forks and gas-charged monoshock. A 320mm front disc with 4-piston ByBre radial caliper and 230mm rear disc along with switchable dual-channel ABS takes care of braking. However, the tyres are more premium Metzeler Sportec M7 radials.  Pirelli Supercorsas will be offered as an option. 


It has tricky pricing:

Ultraviolette has officially launched the F77 but has not given out the exact price of the bike. Instead, the company has said that the F77 will be priced in the range of Rs 3 lakh to Rs 3.25 lakh on-road.

The motorcycle will initially be available in Bangalore, with deliveries set to begin in October next year. You can pre-book the motorcycle by logging intoUltraviolette’s website.


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