Guy started writing and testing for bike mags in 1996. Since then, he’s written several million words about several thousand bikes and a vast amount of riding gear. He’s also penned a handful of bike-related books and he reviews bikes over on YouTube.
Latest articles by Guy Kesteven

By Guy Kesteven Published
review The road version of Knog’s PWR light system gets a bit more power but it’s the super smart modular aspects that make it a 'lifestyle light' winner

By Guy Kesteven Published
review Specialized’s new Flux light uses a distinctive broad head for its double LED design to promise ‘the perfect beam of light’. We’ve been testing it thoroughly to see if that’s true.

By Guy Kesteven Published
review SRAM’s new XPLR AXS wireless transmission fills the gear gap between current road/gravel and MTB cassette options and it’s brilliant even at the cheapest Rival level

By Guy Kesteven Published
Review Zipp's distinctive sawtooth deep-section wheels get a big makeover for a significant increase in real-world speed and ride quality

By Guy Kesteven Published
review Le Col’s updated logo jersey looks super classy but how does it feel on the road?

By Guy Kesteven Published
Review Brooks' modern classic C17 Cambium saddle gets colours and climate proofing

By Guy Kesteven Published
review AbsoluteBlack’s direct-mount gravel/CX chainring looks great and promises a smoother power stroke

By Guy Kesteven Published
review Coefficient’s latest RR (Road Race) bars add extra hand positions, accessory mounts and more aero profiling to their radical ‘Swope’ shape

By Guy Kesteven Published
Review Does Moon Light’s feature-loaded, wirelessly connected, GPS-friendly light set deliver when the moon is the only other light?

By Guy Kesteven Published
review Is Continental’s ‘Transparent’ GP5000 the ultimate all-round road tyre for tan wall fans?

By Guy Kesteven Published
review It might look ‘Classic’ but Panaracer’s Race C Evo 4 gets all the latest tech from the Japanese tyre brand

By Guy Kesteven Published
Review Ribble’s CGR titanium gravel bike adds contemporary twists to the classic aspirational material. We’ve been cruising the lanes and trails to see how it rides

By Guy Kesteven Published
Review Legendary UK BMX, dirt jump and hardcore MTB wheel brand Halo has gone gravel with its GXCs. Are they as tough as you’d expect?

By Guy Kesteven Published
Review We test grippy new gravel tyres from UK hardcore dirt brand Halo to see whether they’re all-condition guardian angels

By Guy Kesteven Published
Review The new low-profile Mavic Cosmic SL 32 Disc wheels are lighter, faster-reacting and optimised for larger tyres. We’ve been finding out what that means on the road

By Guy Kesteven Published
review The OG gravel tyre gets the extra protection it’s always needed but is that enough to make it a fit-and-forget champion again?

By Guy Kesteven Published
Review Want an alternative, affordable answer to your single ring road and CX needs? Italian brand Miche might well have the answer

By Guy Kesteven Published
Buyer's Guide Gore cycling clothing is a byword for waterproof excellence, but with terms like C5 and Infinium, the range can be confusing. Here's everything you need to know.

By Guy Kesteven Published
Review Italian tube and finishing kit specialists, Deda Elementi, has entered the ‘wonky’ gravel-bar market with its new Gera. We’ve been seeing how it compares to conventional and eclectic bars

By Guy Kesteven Published
Review Deda’s new Trenta2 wheels are wide, aero and lightweight but how does that translate in terms of on- and off-road performance?

By Guy Kesteven Published
Review We’re massive fans of Spatz overshoes for filthy weather riding, but how do the Neoz gloves hold up?

By Guy Kesteven Published
Review While slightly late to the gravel party, the Focus Atlas is a tough, versatile, adaptable and enjoyable way to leave your troubles far behind

By Guy Kesteven Published
Review We put the Mavic Allroad SL wheels to the test on multi-surface missions to see how they compare to the competition
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