A guide to Shimano, SRAM and Campagnolo’s groupset hierarchies, plus how to choose between disc or rim brakes and electronic or mechanical shifting.

Your bike tech questions answered by our resident experts Ollie Bridgewood and Alex Paton

The new groupset is said to simplify Shimano’s active range and hit an affordable price point

Alex Paton talks to Adam Kerin from Zero Friction Cycling to find out how you can extend the life of your components, saving money in the long run

AXS users could soon be charging spare batteries whenever their bike is in daylight

Your burning bike tech and maintenance questions are answered by the GCN tech crew

Fitting a new drivetrain isn't easy, but with patience and the right steps, it's straightforward

Adjust the derailleurs on a Shimano Di2 groupset with the help of these simple steps

No comment from the team but GCN understands that the German WorldTour squad are training on new equipment supplier

Your questions about groupset compatibility, TPU tubes, and cornering answered by Alex Paton and Si Richardson

It's been rumoured for some time that SRAM was working on it own e-bike motor platform, and it is finally here with automatic shifting and AXS integration

Ollie Bridgewood tests out the new 12 speed mechanical groupset

New mechanical groupset benefits from trickled down tech from 105 Di2, Ultegra and Dura-Ace ranges.

Both models are available with Shimano 105 components, but does this include an as-yet unreleased 12-speed mechanical groupset?

If your chain is worn out, here's how to swap it for a new one

Italian brand’s top tier groupset also waves goodbye to their famous thumb shifters