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A close view of Cycle Monkey's wacky dual-chained drive train

Of all the things that cause wear, tear and noise on a mountain bike, chain slap is certainly one of the most annoying. As its name implies, it occurs when rough terrain causes the chain to be flung up and down, slapping against the chainstay as it does so. While there are things that can be done to minimize it, California-based Cycle Monkey has taken a unique approach – the company has helped to design the one-of-a-kind Battleaxe mountain bike, that features a unique chain slap-unfriendly drive train.  Read More

The Sinewave Reactor's USB port replaces the bike's stem cap

While companies such as Dahon and Nokia already offer products that let you charge your phone with power generated while cycling, both systems do somewhat clutter up the handlebars and stem. Sinewave Cycles' new Reactor, however, is mostly integrated into the bike's existing steerer tube, keeping external hardware to a minimum.  Read More

One of the two Calfee convertibles, in its tandem configuration

Tandem bicycles are great for allowing couples or friends to ride together, but they're not exactly conducive to riding by yourself. While you could just buy a tandem and a solo bike, one couple recently took a different approach – they got California-based Calfee Design to build them a tandem that can be converted into a single.  Read More

With Shelfie, US-based inventor Jurgen Beneke aims to cater to the many reasons people mig...

There are various reasons why people might want to mount bikes on their walls, whether its for maintenance, to showcase a treasured racer or purely to save space. US-based inventor Jurgen Beneke aims to cater to all types with Shelfie.  Read More

The Allo holds the phone and plays the tunes

We've seen plenty of smartphone mounts for bikes, along with a lot of handlebar-mounted speakers. The Allo speaker/case, however, is claimed to be the first device to combine the two in one unit.  Read More

The Odyssey electric trike from Milwaukee-based inventors Dustin Herte and Ryan Bass

The top motor-only speed of an electric bike can be limited by law to 20 mph (32 km/h), but those taking their rides off-road or to the streets of more lenient jurisdictions may push their vehicles that little bit further. Looking to allow even more scope for performance are Milwaukee-based inventors Dustin Herte and Ryan Bass, whose Odyssey electric trike, fitted with a 4 kW motor, can reach speeds of up to 50 mph (80 km/h).  Read More

The KEB City has a step-through frame, rear-mounted battery, 28-inch wheels and mud-flaps

South Korean automotive manufacturer Kia looks set to return to its bicycle-manufacturing roots with the showing of two prototype electric bikes at the Geneva Motor Show. Already given a brand name – Kia Electric Bicycle (KEB) – both prototypes are of the "pedelec" variety, meaning they can be pedaled and powered electrically, with one a city and the other a mountain bike.  Read More

Armin Oberhollenzer's Leaos 2.0 Carbon City Design e-bike

Pedal-assist electric bikes come in all shapes and sizes, and are made from a range of materials including aluminum and steel. Armin Oberhollenzer's material of choice is carbon fiber and, though his Leaos 2.0 Carbon City Design e-bike has been making appearances at bike shows throughout Europe since last year, it's now set to land on US soil.  Read More

The Revolights Arc knows how fast you're going, and shines accordingly

Revolights is a bicycle lighting system that first came to our attention three years ago, in which the front of the front wheel lights up to serve as a headlight, while the back of the rear wheel illuminates to act as a tail light. While it's a clever setup, at US$229 for a full kit, it's not cheap. That's why its designers have just announced a more affordable alternative called the Revolights Arc, that combines a tail light and wheel-speed-activated brake light.  Read More

The ShareRoller motor attaches to the mounting bracket above the front wheel of the bike w...

Bike-sharing schemes are commonplace in many urban centers around the globe. Though they offer great convenience for last-mile travel or as an option for inner city commuters, as well as easing the stress on overcrowded roads and public transport systems, to say they involve high performance machines would be a bit of a stretch. ShareRoller is a portable electrical motor designed to build on the practicality of shared bicycle schemes by adding a little power and removing some of the legwork from the mix.  Read More

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