Bikes & kits

Conversion kits and ready-built e-bikes, fitted in Kampala

Every Karaa runs the same removable battery, the same app and the same warranty. Start with a kit for the bicycle you already own, or take one with the kit already fitted.

Prices in Ugandan shillings include 18% VAT for buyers in Uganda.International prices are export prices in US dollars, without Uganda VAT, for orders of 50 or more. Smaller orders: ask us.

A Karaa e-bike, a Buffalo bicycle fitted with the Karaa kit, standing on a railway line
Conversion kits

Start with the bike you have

A kit turns an ordinary bicycle into an e-bike. Our mechanics fit it and hand it back ready to ride.

Karaa Range kit: rear hub-motor wheel and removable battery
In stockLong range

Karaa Range kit

For all-day work and long daily distances. Fits bicycles on about 26-inch wheels; for other sizes we build the motor wheel to your bike’s own rim.

Motor
250 W rear hub
Assist
Up to 32 km/h
Battery
36 V, 522 Wh, removable
Range
Up to 120 km
Charging
6 to 7 hours
Warranty
1 year, electric parts
Fitted by our mechanicsVAT includedExport price, per kitOrders of 50 or more, no Uganda VAT
UGX 1,650,000US$420
With GPS and remote lockTracked version
Coming soon
Kit spec sheet (PDF)
Karaa Lite bottle battery
Out of stockShort range

Karaa Lite kit

The short-range kit, with a bottle battery for shorter daily runs. Up to 60 km on a charge. It’s out of stock for now: join the waitlist and we’ll tell you on WhatsApp when it’s back. Nothing to pay now.

Ready-built e-bikes

Or take one ready-built

A complete bike with the kit already fitted, nothing to assemble. We build on bicycles proven on African roads and add a 5-year frame warranty.

Karaa Buffalo: a Buffalo bicycle converted with the Karaa kit, studio side view
Buffalo, electrified

Karaa Buffalo

The workhorse. Buffalo Bicycles, World Bicycle Relief’s bicycle company, builds the Buffalo for big loads on rough roads: heavy-gauge steel and parts a village mechanic can service. We convert three Buffalo models.

Buffalo Universal MTBSingle speed, 100 kg carrier
UGX 2,695,000VAT includedOn request
Buffalo ONE and PRODisc brakes, 100 kg carrier
On request
Buffalo ChargerSix-speed, 27 kg carrier
On request
With GPS and remote lockOn any Karaa Buffalo
Coming soon
Karaa REF: a REF Fat Bike Pro converted with the Karaa kit, studio side view
REF, electrified

Karaa REF

Three models from the Indian bicycle brand REF: the 26-inch Fat Bike Pro on 4-inch tyres, the 27.5-inch MTB Pro, and the 30-speed MX01, built with the motor in the front wheel so every gear is kept.

Price on requestGet a REF quote
A classic roadster bicycle fitted with a Karaa battery and hub motor, in testing
In testing

Karaa Roadster

The classic roadster, the Black Mamba, is still the most common bicycle in Africa. We’re electrifying it: a Karaa hub motor in its own wheel, the removable battery, and the rod brakes kept as they are.

Not on sale yetRegister interest
Bring your own bike

Will it fit my bike?

Most bicycles on about 26-inch wheels, with a sound frame and working brakes, take the Karaa Range kit. Pick yours for a straight answer, then send us a side-on photo to confirm.

Photo tip: stand the bike against a wall, drive side facing you, whole bike in the frame.
What bicycle do you have?
YesThe kit is designed around it

The Buffalo is the bicycle the Karaa kit was built for. We fit the Karaa Range kit for UGX 1,650,000, VAT included.Ask us for a quote in US dollars.

YesWe convert three REF models

The Fat Bike Pro, the 27.5-inch MTB Pro and the MX01. On the MX01 the motor goes in the front wheel so every gear is kept. Tell us your model and we quote.

Not yetThe Roadster conversion is in testing

We’re electrifying the classic roadster with a hub motor in its own wheel and the rod brakes kept. Register interest and we’ll message you when it’s ready.

Most likelyIf the frame and brakes are sound

Most bicycles on about 26-inch wheels take the Karaa Range kit. Send a side-on photo and we’ll confirm before you pay anything.

PossiblyWe can build to your rim

For other wheel sizes we build the motor wheel to your bike’s own rim. Send a photo and the size printed on the tyre wall.

Let’s checkSend us a photo

The wheel size is printed on the side of the tyre, for example 26 x 1.95. A side-on photo of the whole bike is enough for us to tell you.

Add-ons

Keep going for longer

Karaa removable 36 V 522 Wh battery

Spare battery

A second removable 522 Wh battery. Charge one while you ride the other, and double your day.

UGX 1,000,000 VAT includedUS$230 per battery, orders of 50+Order a spare
Battery spec sheet (PDF)
Coming soon

Tracking package

GPS, SIM and connectivity fitted inside the battery bay. See every bike on a map, and switch the motor off remotely if one goes missing.

Compare

Kit or ready-built?

FeatureKaraa Range kitKaraa Buffalo (Universal MTB)
Price in Uganda, VAT includedUGX 1,650,000, fittedUGX 2,695,000
What you getThe kit, fitted to your bicycleA complete bike with the kit fitted
Motor250 W rear hub, assist to 32 km/h250 W rear hub, assist to 32 km/h
Battery and range522 Wh removable, up to 120 km522 Wh removable, up to 120 km
CarrierYour bike’s own carrierUp to 100 kg
Warranty1 year on electric parts1 year on electric parts, 5 years on the frame
Best ifYou already own a sound 26-inch bikeYou want a heavy-duty bike, ready to ride
Spec sheets

Every number, on one page each

One-page PDFs you can print or forward to your team.

Questions

What riders ask us first

Anything else? Ask on WhatsApp and we reply within a day.

How far does a Karaa go on one charge?
Up to 120 km. In daily use, expect 50 to 100 km depending on load, hills and how much assist you use.
How much can it carry?
Up to 200 kg including the rider, and up to 100 kg on the rear carrier of a Karaa Buffalo.
Can I ride in the rain?
Yes. The battery case is rated IP54 for rain and splashes. Don’t ride through flood water.
How do I charge it?
Lift the battery out and plug the charger into any wall socket. Empty to full takes six to seven hours.
What does the warranty cover?
Every electric part for one year. The motor is covered to 10,000 km and the battery to 500 charge cycles within that year. Ready-built frames get five years. Full warranty terms
Who fits the kit?
Our own mechanics, at the Kampala workshop. Outside Uganda, ask us on WhatsApp for your nearest partner.
What wheel size does the kit fit?
About 26-inch wheels, like the Buffalo. For other sizes we build the motor wheel to your bike’s own rim.
Do you deliver outside Uganda?
Yes, to Kenya and Zambia. Buyers outside Uganda are quoted in US dollars without Uganda VAT.
Waitlist

Tell me when it’s ready

For the Karaa Lite kit, which is out of stock, and the Karaa Roadster, which is in testing. We message you on WhatsApp when it’s available. Nothing to pay now.

Join the waitlist

We use your details only to tell you when the product is available.

Buying for a fleet, or want to stock Karaa?

Export orders are priced in US dollars, without Uganda VAT, with a minimum order. Dealers get training, spare parts and warranty support.

Fleets & partners
Get a quote