What is the best transmission for a motorcycle: chain, belt or shaft drive? Some say motorcycle riders only wear black t-shirts and jackets because old chains used to cover them in oil. That could ...

On the left is the gear-drive cam and its distributor drive gear, while the pair on the right are for conventional chain drive. Notice the different helix angle of the gears. Shown here are the cam ...

If you bought a bicycle between say 1893 and 2007, chances are you know what a bike chain tattoo (aka “rookie mark”) is—the greasy imprint of your bike chain on your leg or pant cuff. Bike chains, ...

If you’ve been following all the e-bike content we’ve been churning out on InsideEVs, you’re well aware that today’s e-bikes are so much more than bicycles with motors strapped onto them. Consumers ...

In the early days of 4x4s, transfer cases like the Spicer 18, Dana 300, and NP205 were the norm. These cases all feature iron cases and are gear-driven for incredibly strength, but as manufacturers ...