Quarq's Riken power meter crank is the most wallet friendly in their range at £1,249, this is how it goes on after 100 miles later...
Gears & Drivetrain
The technology of the current Dura-Ace track chainset and BB is over 10 years old now, so British company USE has taken matters into its own hands. USE’s cunning plan…
Shimano Ultegra Di2 6870 groupset
Stages Crank Power Meter DA 9000 £799
Athena EPS is the Italian outfit?s entry-level electronic shifting groupset. Fancy an 11-speed battery-powered gruppo?
The Japanese component giant proves it?s not all over for mechanical shifting at the deep end of bike componentry, with 9000 offering a smorgasbord of improvements over its predecessor
Shimano Ultegra Di2 could be the groupset that brings electronic shifting to the masses. CW tested it on several bikes and with riders of differing ability and experience.
Pinarello's top-end race frameset gets a top-end Campagnolo electronic groupset
SRAM Apex groupset - Cycling Weekly takes look at SRAM's wide-ratio groupset that could spell the end of a need for triple chainsets
Three-speed gear hub for fixed wheel bikes, priced £249