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 – 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
Bespoken Word – is mountain biking friendly?
By Guy Kesteven published
Opinion If you think joining a new mountain biking group might be intimidating, Guy Kesteven reckons that most times you’ll find it way more welcoming than you think
Mason Bokeh 3.0 review – original gravel star gets even better
By Guy Kesteven published
Review Mason’s deliciously detailed, evolved alloy frame might be the perfect agile adventurer
Feedback Sports Team Edition Tool Kit review – a bike fettler's delight
By Guy Kesteven published
Review Is Feedback’s Team toolkit the best portable workshop you can buy?
Feedback Sports Pro Mechanic HD Bike Repair Stand review – heavy-duty e-MTB compatible work stand
By Guy Kesteven published
Review The legendary Feedback Sports Pro Mechanic work stand has been bulked up to handle heavier bikes with ease
Bespoken Word – Don’t go viral on Tick Tok
By Guy Kesteven published
Opinion There's a blood sucking vampire horror show hiding on the trails. So how do we riders stop ticks from becoming a real health hazard?
SRAM Level Ultimate Stealth 4-Piston brake review – XC weight, trail power?
By Guy Kesteven published
Review Does matching SRAM’s new Stealth XC lever with the proven G2 trail brake deliver best of both worlds performance?
E-bikes are revolutionising modern transport, but is their rapid growth unleashing a firestorm of deadly problems?
By Guy Kesteven published
Feature Electric bikes are the hottest things in cycling right now, but often in a more dangerous way than just their surging sales. Guy Kesteven takes a look at how they are already killing people at an alarming rate and how they might also be lethal to increased acceptance of cycling
Bespoken Word – pinning the tail on the donkey
By Guy Kesteven published
Opinion Guy Kesteven has recently been having interesting, revealing, and perception-challenging chats with suspension specialists and bike designers. So what goes into creating the ride they want? And can perceptions of where performance comes from sometimes be completely wrong?