The Tiagra cassette’s ratios are reported to be 11, 13, 15, 17, 19, 21, 23, 25, 28, 32 and 36 teeth. For 105, the equivalent 12-speed cassette has 11, 12, 13, 14, 15, 17, 19, 21, 24, 28, 32 and ...

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 ...

Shimano has announced the release of 105 R7100, its first 12-speed mechanical road bike groupset. Pitched at an 'affordable' price of roughly £990/$1,190/€1,180, 105 R7100 mechanical costs around £740 ...

Ok, let's get this out of the way first: We don't usually (or ever) review groupsets. There are a few reasons for this--availability, novelty, and (quite frankly) interest. Also, not a ton of ...

PEZ readers may remember my Colnago V3 project bike with Ultegra R8000: “The shifting is light, crisp, and sure. Dura Ace is supposed to be better, but I’m not ...

Tiagra is now Shimano’s #2 mechanical option behind 105. Here’s what R4000 includes, what it costs, and who it leaves behind.

Shimano has today announced not one but two brand new groupsets: the cost-conscious performance road groupset, 105 mechanical; and the similarly-positioned gravel groupset, GRX. We'll cover the new ...

Shimano 105, the component giant's renowned third-tier road group, is undergoing possibly its greatest revamp yet, switching from mechanical to electronic and adding a 12th cog to the cassette for ...