Derailleurs are the transmission of your bike. When you shift, they guide the chain to the correct gears. Whether you’re fixing a particular problem with your chain or simply giving the system a ...

SRAM's S100, S200 and S500 Eagle 12-speed groupsets replace its budget drivetrains by combining existing features with new ...

Many riders seek lower gearing on their road bikes. Some need it to reduce pain in their back or knees, and a good number of cyclists want easier gears for climbing. Other riders require a low gear ...

The derailleur hanger may not be the most exciting component, but it performs a crucial function in keeping your gears shifting optimally and is designed to bend or break in an impact. In this guide, ...

The elimination of the front derailleur on many bikes has made cycling simpler, but reduced the number of available gear ratios. That's where the Powershift hub comes in, as it essentially replaces ...

In May, I went for a ride on the Mount Tam trails in Marin County, California, with Grant Petersen, the founder and owner of Rivendell Bicycle Works, and his buddy Dan Leto. It was a warm and sunny ...

One of the reasons bicycle maintenance can be so rewarding is that usually if you stare at a component long enough you can work out how it works. The rear derailleur is no different in this regard, ...

[Nabil] sent in an awesome electronic bicycle derailleur. Now, instead of pulling a steel cable with a shifting mechanism, [Nabil] can change gears electronically. As a bonus, the derailleur can be ...