Groupsets

Gear of the Year | This rear hub is the trail-smoothing wonder I never knew I needed
e*thirteen’s approach to taming drivetrain feedback makes a big difference to suspension performance

Review | SRAM XX SL Eagle AXS Transmission is equally at home on my enduro bike and my race bike
Unsurpassed shifting performance, but at a high price

Review | SRAM Eagle 90 Transmission is the best mechanical drivetrain yet, but Shimano does one thing better
Robust mechanical drivetrain that shifts when you want it to

Review | Outlier Pendulum flat pedals offer unrivalled grip, but one flaw might put you off
One-sided self-righting pedal, designed with performance in mind

Review | New SRAM Rival AXS leaves Shimano 105 Di2 trailing in its wake
SRAM takes the fight back to Shimano with a hugely revamped Rival AXS
What's new?

TRP and Classified Vistar Powershift first ride review: a solid alternative to mainstream groupsets, but it's not 1x16-speed
Can you have your cake and eat it?

Shimano XTR Di2 M9200 review: Wireless at last, but sorry Shimano, it lacks the wow factor
Shimano’s long-awaited XTR Di2 has wireless, electronic shifting

I tested new Campagnolo Super Record 13, and Shimano and SRAM should be worried – here's why
Is Campagnolo back?

The best road bike groupset you can buy is eight years old – and I'll tell you why
Why Shimano's 11-speed Ultegra R8000 is the smart choice

Shimano Dura-Ace Di2 vs SRAM Red AXS: SRAM's latest flagship groupset is the new standard to beat
Flagship groupsets go head-to-head
Gravel Groupset

Review | Microshift Sword 1x: solid gravel groupset without upgrade potential
Can Sword take a slice of Shimano and SRAM's pie?

Review | Campagnolo Ekar GT
The Italian brand’s even wider-ranging gravel groupset

Review | SRAM Red XPLR AXS
Faster and smoother shifting make Red AXS XPLR a gravel groupset leader
Mountain Bike Groupset

Review | SRAM GX Eagle AXS Transmission performs almost flawlessly after 2,100km of testing
SRAM’s most affordable aftermarket Transmission drivetrain promises top-tier performance at a lower price

Review | TRP EVO12 drivetrain
Can EVO12 prove mechanical shifting still has what it takes to rival electronic groupsets?

Review | SRAM XX T-Type Eagle Transmission Powermeter AXS
SRAM’s redesigned drivetrain removes setup adjustment, with the promise of improved strength and shifting performance
Road Groupset

Shimano 105 vs Shimano Ultegra: Which groupset should you choose?
Is Shimano’s more premium product worth the extra expense?

Review | 2024 SRAM Red AXS: Excellent braking and smoother shifting for new flagship groupset
SRAM’s latest Red AXS is promised to be its best yet

Review | Shimano 105 Di2 R7100
The Di2 groupset ‘the people’ have been waiting for?