Celebrating its 40th anniversary since its first introduction in 1982, SHIMANO 105 receives the ultimate upgrade with a move to Di2 electronic shifting technology. The highly anticipated Shimano 105 ...

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 ...

Shimano has officially unveiled the new 105 Di2 groupset, which comes with 12-speed wireless shifting technology. Previously only available in the Ultegra and Dura-Ace groupsets, Shimano has released ...

The new Shimano Tiagra R4000 groupset answers the demand for budget mechanical with 11 speeds and 105-level ergonomics for just $1,035.

Shimano has today revealed a 105 groupset revamp, due to land on UK shores in June, as well as new road hydraulic discs that will be compatible with mechanical shifters and land in August. Revamped ...

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 ...

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 ...

The 2011 version of Shimano’s everyman groupset has features including under-tape gear cabling and a new brake block compound. But it’s cheaper than before, so has shaving the price shaved performance ...

We’ve seen this play out three times before, and so nobody should be surprised that Shimano’s affordable racing group, 105, has inherited the extra gear and trickle-down technology of Ultegra and Dura ...

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