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Costs, kits and riding, in plain numbers

What e-bikes cost to run, what the warranty covers, and what riders and fleets find in practice.

Loading jerrycans of water onto a Karaa e-bike at a water point
Farming and programmes · 27 Oct 2026

Why fresh produce still travels to market by manual bicycle

An IDinsight study found bicycle ownership raised household income by 29%. What a faster first mile means for produce that spoils.

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Buffalo ONE and PRO bicycle
Farming and programmes · 23 Oct 2026

Electrifying a community health worker fleet: what an NGO programme needs to know

A removable battery is the detail that decides whether an electric CHW fleet works: the same pack that moves the bike can run a fridge or…

Karaa removable 36 V 522 Wh battery
Batteries and charging · 20 Oct 2026

Does an electric bike still work during a power cut?

A power cut only strands a rider if the battery is also empty. What Karaa's removable battery changes about that.

Karaa Range conversion kit: hub-motor wheel, removable battery and charger
Fleets and delivery · 16 Oct 2026

How many electric bikes to convert for a fleet pilot

Five to eight converted bikes is the right size for a first fleet pilot: enough to see real route and rider variation, small enough to fix…

Karaa Buffalo: a Buffalo bicycle fitted with the Karaa kit
Costs and prices · 13 Oct 2026

What running an electric bike costs over three years, against a petrol motorcycle

A Karaa kit plus one battery replacement costs about UGX 2.65-3.1 million over three years. Here's the real math against petrol.

Karaa Buffalo: a Buffalo bicycle converted with the Karaa kit, studio side view
Kits and how they work · 9 Oct 2026

Buying a Karaa from Tanzania or Rwanda

How ordering, shipping, fitting and warranty work when you buy a Karaa kit or e-bike from Tanzania or Rwanda.

The rear wheel and chain guard of a Karaa e-bike
Fleets and delivery · 6 Oct 2026

What actually breaks on an electric bike delivery fleet

Tyres and brake pads wear fastest on a delivery fleet, not the motor or battery. What actually needs budgeting for.

A Buffalo bicycle parked against a mud wall (photo: Buffalo Bicycles)
Fleets and delivery · 1 Oct 2026

Buying a Karaa electric bike in Zimbabwe

Karaa isn't yet live in Zimbabwe, but ships and supports kits there the same way it does for Tanzania and Rwanda.

A Karaa e-bike on a railway line
Kits and how they work · 29 Sep 2026

Can any bicycle be converted to electric?

Wheel size, frame material and dropout width decide whether a bicycle can take a Karaa kit. What to check before converting.

A rider in a hi-vis vest on a Karaa e-bike outside a shop in Kampala
Fleets and delivery · 29 Aug 2026

Electric bikes for delivery riders: what changes in a shift

E-bike couriers complete 2-3x more orders a day than walking couriers, per a Poland study. What that means for a converted bicycle.

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