Because bigger is (sometimes but not always) better, this is a video of Youtuber Seth of Berm Peak test riding the largest mountain bike made by DirtySixer, an oversized unit with 36″ wheels ($2,999, also available as an electric version for $8,999). DirtySixer makes extra large bikes for extra large

Because soon robots will be having all of our fun for us, this is a video of the Ultra Mobile Vehicle (UMV) developed by researchers as at the Robotics and AI Institute (RAI, making this RAI’s UMV for those of you who love acronyming). It’s a little e-bike that can

Always one to push personal transportation to the limit, this is a video of engineer James Bruton (seen previously constructing a personal AT-AT walker) building an omni-directional bike that sits on two giant balls. It works beautifully. And speaking of giant balls– “Elephants?” NORTH ATLANTIC RIGHT WHALES. Up to 2,200-pounds!

Because bad ideas come in all shapes and sizes, this is a video of Youtuber Gregulations constructing a motorcycle version of a penny farthing using a Yamaha YZF-R6 and a bunch of custom built parts. Despite having training wheels, the resulting cycle has deathtrap written all over it, and at

This is a video of freestyle cyclist JAKE 100 launching his front bike wheel off a ramp and bouncing it across a few 50-gallon drums while he wheelies without it, then catches it and reattaches it to his bike. Man, these bike tricks have really gotten WILD. I remember when

Because dream it and you can achieve it, a team from the Netherlands has successfully built and ridden the world’s longest bike, measuring 55.16 meters (180-feet, 11-inches) in length (recently: the world’s tallest bike). The group was “inspired by a longstanding interest in Guinness World Records and a desire to

Because bad ideas come in all danger levels, this is a video of professional freeride mountain biker Sam Pilgrim replacing his bike’s traditional wheels with giant circular saw blades to see how the bike rides. SPOILER: Surprisingly well. Granted, Sam is a professional cyclist and can probably handle a bike

Because everybody uses their spare time differently (I have no spare time), this is a video of Youtuber Chris Makes Stuff constructing a hubless, electric penny farthing bike. The hubless design is cool, but the motorization is a must — pedaling is one of my least favorite part of riding