Especially regarding the drivetrain, almost all bikes use a chain, a freewheel, and a derailleur if there are gears to shift because these parts are cheap, reliable, and easy to repair.

But after trying out ideas with simplified internal gear hubs and derailleurs, SRAM recommended the two-chain design and donated it to the bike charity.

even those without a gear shifter. A single-speed bike, also known as a fixed bike, has one cog attached to the rear wheel, which is powered by a chain and chainring with pedals. You pedal the ...

on much older bikes you may see them on the downtube. By using the shifters, you can change gears by altering the chain's position across the different cogs and chainrings. To change gear ...

A motorcycle’s chain and sprockets may, at first glance, seem like slightly old-fashioned bicycle technology but are actually one of the most sophisticated bits of kit on your bike. There are O ...

I’ve got to hand it to GeoMetron, it really did get their first. Over the past few months we’ve seen half a dozen brands ...