Gear Ratio

When premium e-bike maker Cowboy introduced its Adaptive Power update earlier this year, Engadget's Mat Smith wondered when a new model would arrive.

The Cowboy Cruiser e-bike builds upon the C4 (classic) and C4ST (Cruiser ST) to create an upright daily commuter that should remain comfortable even on long rides.

The carmaker plans to deliver the first ID. vehicles with the new drive generation in a 210-kW version from the end of the year, but it did not name the models.

It will remain available with gas engines, as well as the 4xe plug-in hybrid version.

We built a pedal-powered generator and controller, which is practical to use as an energy source and exercise machine in a household — and which you can integrate into a solar PV system. We provide detailed plans to build your own, using basic skills and common hand tools. Image: The bicycle generator in the living room. CONTENTS ARTICLE Introduction The bike generator Why a vintage exercise bike with flywheel? How…

Now refreshed and generously equipped with many standard safety features, even more comfort, and fresh design updates, the Nissan Rogue has long been a bridge to spontaneity.

Uni Wheel is taking a fresh perspective on the internal architecture of EVs, cleverly repositioning key drive system components into the previously untapped space within the wheel hub.

An extreme gear reduction machine built with Lego parts. It visualizes how big is a googol. The machine's gear ratio is approximately GOOGOL:1. The machine consists of 186 Lego gears, organiz…

The Volt Infinity has go-anywhere appeal along with an excellent specification and good range

Steer-by-wire, also known as drive-by-wire may be appearing in Teslas in 2023

The all-electric cargo bike that's built for heavy lifting

Changing wheels affects more than just ride and height. Here's what to know when going up in size.

Rule changes open up gearing options, and problems, for junior riders alongside a host of TT position changes that may or may not apply.

The now-Civic-based 2023 Honda HR-V might be the thing to get sedan buyers into a crossover, or big SUV buyers into something thriftier.

Gearboxes are crucial components in every car, that have

Compact, convenient, and commuter-friendly, these bikes are ready to go anywhere. We ranked brands like Brompton, Tern, Schwinn, and more.

Audi-branded off-road e-bike thrills don't come cheap

The bicycle, an iconic symbol of personal freedom and mobility, is a simple yet transformative invention that has reshaped societies the world over. Deeply ingrained into the fabric of many cultures, the bicycle's journey from being a rudimentary two-wheeled contraption to a sophisticated means...

Shopping for a feature-rich 3D printer for your practical or creative needs? Then, read our Creality CR-10 SE Smart 3D Printer review to know more.

Are you ready for the next big thing? Creality launches the CR-M4, a new device that promises to accelerate efficiency and large-scale production with its giant size.