Guy Kesteven
Guy Kesteven is Bike Perfect's technical editor-at-large. Hatched in Yorkshire, he's been hardened by riding round it in all weathers since he was a kid. He started writing and testing for bike mags in 1996. Since then he’s written several million words about several thousand test bikes and a ridiculous amount of riding gear. To make sure he rarely sleeps and to fund his custom tandem habit, he’s also penned a handful of bike-related books and he reviews MTBs over on YouTube.
Current rides: Cervelo ZFS-5, Forbidden Druid V2, Specialized Chisel, custom Nicolai enduro tandem, Landescape/Swallow custom gravel tandem
Height: 180cm
Weight: 69kg
Latest articles by Guy Kesteven
Bespoken Word – You are the future of the bike industry
By Guy Kesteven published
Opinion Winter is already here for the bike industry. Guy Kesteven asks how can you help the shops and small businesses you like survive?
WTB Nano SG2 gravel tire review – versatile and tough
By Guy Kesteven published
Review The OG gravel tire gets the extra protection it’s always needed but is that enough to make a fit and forget champion again?
Merida One-Forty 6000 review – excellent mid-travel trail tamer
By Guy Kesteven published
Review Merida’s 140mm trail bike is packed with smart features with some radical geometry choices too, Guy Kesteven checks out how it rides from XC to extreme
Bespoken Word – How much trouble is the bike business in?
By Guy Kesteven last updated
Opinion It’s no secret that the bike industry has been struggling since the Covid boom. Guy Kesteven has been talking to distributors, dealers and brands after checking the latest Bicycle Association mid year report to find out just how bad things are and what the future holds
Best mountain bike stems – top-rated stems to sharpen up your steering
By Guy Kesteven last updated
Buyer's Guide We steer you in the right direction with our pick of the best mountain bike stems whatever your budget and biking style
Best gravel bikes – drop bar off-roaders for racing and exploring
By Graham Cottingham last updated
Buyer's Guide Our round-up of the best gravel bikes from fast off-road racers to capable adventure machines
Bespoken Word – crossing mountains and opening up boundaries
By Guy Kesteven published
Opinion Guy Kesteven is the guidebook writer for the new Cycling UK Traws Eryri MTB bike packing route across Snowdonia. There’s more significance to this wild Welsh adventure than just epic experiences though
FFWD Outlaw XC MTB – stiff Dutch downcountry wheels
By Guy Kesteven published
Review How do these new Dutch downcountry wheels compare to the best in an increasingly busy category?
Bespoken Word – have we got strong wrong?
By Guy Kesteven published
Opinion In the wake of celebrating the fastest, most skillful riders at the World Championships Guy Kesteven wonders if we’re actually looking at the wrong criteria when it comes to the ‘strongest’ riders
Trek Supercaliber SLR Gen 2 9.9 XX AXS – highly efficient, super taut XC racer
By Guy Kesteven published
Review Trek’s dedicated, XC racer has had a complete overhaul so just how Super is the Supercaliber now?
Bespoken Word – does televised racing matter to MTB?
By Guy Kesteven published
Opinion Guy Kesteven gets thinking about whether MTB racing being on mainstream TV matters to the bigger picture of riding bikes in the dirt
Trek’s new Supercaliber XC race weapon is on track for glory at the MTB World Champs
By Guy Kesteven published
News What have Trek changed on their radical shaft shock XC MTB racer to make it a rainbow jersey contender? We get hands on to find out
Bespoken Word – is the Scottish Super World Champs outstanding or overcrowding?
By Guy Kesteven last updated
Opinion Guy Kesteven asks if packing all the World Championship events into one mega session in Scotland is a good idea or not?
Lezyne launch new clearer, longer lasting, cooler looking MTB lights
By Guy Kesteven published
News Multiple improvements to front and rear LED range from the iconic Taiwanese innovators
Cervelo ZFS-5 frame review – rad MTB racer from speed hungry roadies
By Guy Kesteven published
Review Is Cervelo’s ZFS-5 a 'best of everything' cross-country champion?
"We didn’t want to make a road bike mountain bike.” Cervelo officially launch their ZFS-5 full-suspension, full-speed MTB
By Guy Kesteven last updated
News Cervelo’s ZFS-5 race bike has been on the scene under Team Jumbo Visma pro racers all season, but it officially launches to the public today
Is Santa Cruz’s new Stigmata gravel bike the ultimate MTB/road crossover?
By Guy Kesteven published
News Santa Cruz say “Gravel is now a spectrum” so has the brand managed to cover every pedaling pronoun in one bike?
Bespoken Word – is mountain biking elitist?
By Guy Kesteven published
Opinion And if it is, is that necessarily a bad thing or one of the sport's essential strengths?
RockShox SIDLuxe Ultimate 2024 gets a slap happy evolution
By Guy Kesteven published
Review RockShox’s tiny ultralight shock has been retuned for bigger hits and gets a new ‘Pedal’ mode too, but what about plushness and price?
RockShox's new SID suspension raises the benchmark of cross-country suspension performance
By Guy Kesteven published
News RockShox's new SID fork and shock are designed to reset the XC-pectations of race / lightweight trail performance, no sign of Ai versions yet though
Is RockShox's new SID fork the Ultimate Race/Trail speed?
By Guy Kesteven published
Review RockShox all new SID Ultimate pushes XC weight deep into Trail control territory and we love it
Feedback Sports Chain Tool 3.0 review – luxury chain fettling
By Guy Kesteven published
Review Feedback Sports' third gen chain tool is kinder on your hands and the planet
RockShox overhaul the BoXXer DH fork, but existing owners can get most of the new upgrades for way less $$$
By Guy Kesteven last updated
News The latest BoXXer may look familiar, but the chassis, spring, damper and other details are all totally new