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KirbEbike workshop

E-bike conversion guides

Fitting, batteries, motors, controllers and UK rules — practical guides from the team that builds and supports KirbEbike conversion kits.

246 guides

How the EZ Rider Dual Battery Ebike Conversion Kit Works: Range, Weight and Charging LatestBatteries & Charging

How the EZ Rider Dual Battery Ebike Conversion Kit Works: Range, Weight and Charging

Two 36V packs, 792 Wh between them, one 250W front motor. Here is what the second battery adds, what it costs you in weight and charging time, and...Read the guide
Taishan vs HS-II Ebike Battery: Capacity, Dimensions, Mounting and Best Use Batteries & Charging

Taishan vs HS-II Ebike Battery: Capacity, Dimensions, Mounting and Best Use

Neither pack is the better battery. Same 60A BMS, same 5A charging, same 97 mm thickness. They differ in voltage options, case shape, weight and how much energy... Will a Surron Throttle Work With an Ebike Conversion Kit? Connector, Voltage and Signal Checks How To & Install

Will a Surron Throttle Work With an Ebike Conversion Kit? Connector, Voltage and Signal Checks

Sometimes. A plug that fits only proves the plastic matches. Before you connect a Surron or Surron-style throttle, the controller and throttle have to agree on supply, ground,... 160mm vs 180mm vs 203mm Brake Rotors: Heat, Fit and Trade-Offs on a Conversion How To & Install

160mm vs 180mm vs 203mm Brake Rotors: Heat, Fit and Trade-Offs on a Conversion

A conversion adds motor and battery weight and raises the speeds you carry into corners, so the brakes are working harder than the donor bike was designed for.... XT90 vs MT60 vs Julet Ebike Connectors: What Each Cable Carries and How to Match It How To & Install

XT90 vs MT60 vs Julet Ebike Connectors: What Each Cable Carries and How to Match It

These are not three grades of the same thing. They serve different circuits carrying very different currents — so the first question is never which connector looks right,... Are Ebike Displays Interchangeable? Voltage, Protocol, Connector and Controller Matching Buyer's Guide

Are Ebike Displays Interchangeable? Voltage, Protocol, Connector and Controller Matching

Mostly not. A display has to match the controller on five separate counts, and the plug fitting is only the first of them — which is why so... What Are the Self-Learning Wires on an Ebike Controller? Safe Setup and Direction Reversal How To & Install

What Are the Self-Learning Wires on an Ebike Controller? Safe Setup and Direction Reversal

They are a commissioning connection, not a riding feature. Joining them puts the controller into a temporary mode where it works out how to drive your motor —... Ebike Controller App Settings: Three Profiles for One 2000W System How To & Install

Ebike Controller App Settings: Three Profiles for One 2000W System

Two settings do most of the work. DC current sets the ceiling, acceleration strength sets how fast you approach it — and because they are independent, one kit... Why a 2000W Ebike Cuts Out Under Load: BMS, Voltage Sag, Connectors and Heat Batteries & Charging

Why a 2000W Ebike Cuts Out Under Load: BMS, Voltage Sag, Connectors and Heat

Start with the pattern of the cut-out, not the part you suspect. Whether the display goes dark, whether power returns on its own, and whether it happens only... Will an Ebike Battery Fit My Frame? How to Measure the Case, Rail and Removal Clearance Batteries & Charging

Will an Ebike Battery Fit My Frame? How to Measure the Case, Rail and Removal Clearance

Three checks decide it, and most buyers only make the first. The case has to fit the frame, the rail has to sit where your bosses are, and... MTX Rim vs Standard Ebike Wheel: Strength, Tyre Fit and Who Actually Needs It Comparison

MTX Rim vs Standard Ebike Wheel: Strength, Tyre Fit and Who Actually Needs It

An MTX wheel is a wider, heavier-duty build aimed at high-power rear-hub conversions. It changes tyre options and load capacity — and changes nothing at all about motor... Can a 52V Battery Really Power a 2000W Ebike? BMS Amps, Voltage Sag and Cut-Outs Batteries & Charging

Can a 52V Battery Really Power a 2000W Ebike? BMS Amps, Voltage Sag and Cut-Outs

Yes, a correctly specified 52V battery runs a 2000W system comfortably. But the voltage on the pack and the wattage on the motor prove nothing on their own...

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