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Cities & Cycling

How to hack the city:

tips and tricks for urban e-bike riders

June 2, 2022

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Blog posts

Hybrid bike converted with the KirbEbike EZ Rider dual-battery kit
Nov 02, 2026
Batteries & 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 how to tell whether your ride needs it.
KirbEbike HS-II triangle battery in a converted hardtail mountain bike
Nov 02, 2026
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 fits at 52V. Your controller and your frame decide which one is right.
Purple Surron-style twist throttle on a KirbEbike customer's converted bike
Oct 31, 2026
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, signal, pin order and connector family.