
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

Pirelli Scorpion Enduro M Race tire review - could this be the big grip rubber you’ve been waiting for?
By Guy Kesteven Published
Review The latest version of Pirelli’s Scorpion Enduro tire finally delivers on the control and confidence they’ve been chasing

Schwalbe G-One Overland review – the ultimate unstoppable gravel ‘tank’ tire?
By Guy Kesteven Published
Review Schwalbe’s big all-terrain roller is seriously tough and feels fast on asphalt, but what’s it like off-road?

Bespoken Word – Are e-bikes the future of enduro and everything else?
By Guy Kesteven Published
Opinion Guy Kesteven has been talking to legendary MTB champion and consistent innovator, Tracy Moseley, about powering up the future of not just Enduro but riding in general

Is Honda’s new concept e-MTB as disappointing as it looks or is it the future of bike construction hiding in plain sight?
By Guy Kesteven Published
Opinion Honda’s original MTB is still iconic after 20 years, but their new concept e-MTB looks very disappointing. Guy Kesteven takes a deep dive into the tech

Stop winter killing your ride vibe – 7 expert tips that will keep you cycling until spring
By Guy Kesteven Published
Features Guy Kesteven reckons some of the best bike rides are in the worst weather so get ready to go wild this winter with his expert tips for dirty off-road fun

Foul weather riding is already here, so here's my 5 expert tips to stop winter killing your bike!
By Guy Kesteven Published
Features Looking at the winter weather and worried what it’ll do to your bike? We’ve got everything you need to know to keep your ride – and your riding – alive until it’s time to wear shorts again

Best budget bike upgrades 2026 – 10 cost effect ways to get a better mountain bike
By Guy Kesteven Last updated
Buyer's Guide Ten ways you can massively improve your bike without giving your wallet heart failure

Specialized Chisel, the ultimate underdog icon MTB?
By Guy Kesteven Published
Opinion Our freerange tech editor Guy Kesteven spends too much time testing to get attached to most bikes but he and ‘his’ Specialized Chisel have become firm (if unlikely) best friends over the past few years. Spesh want the frame back now though, so here’s his tearjerking farewell…

Hope Union RC pedal review – are these the best clipless XC and Gravel pedals in the world?
By Guy Kesteven Published
Review Our expert testers have been hammering these UK-made lightweight XC pedals for nearly two years so what’s their conclusion?

Pirelli Cinturato Gravel S Classic review – brown gravel tire for brown trail days
By Guy Kesteven Published
Review What do our expert testers think of Pirelli’s loose and dirty focused gravel tire?

SQLab ONE10 gloves review – innovative fit and flap tech
By Guy Kesteven Published
Review Width fits and a pull out rain mitt cover make SQLab’s all-weather glove super versatile favorite of our expert testers

Specialized’s Turbo Kenevo SL2 gets more power for e-MTB trail raving
By Guy Kesteven Last updated
News Specialized’s lightweight Turbo Kenevo SL2 monster truck e-MTB gets more power and torque with less noise. Get our expert take on the new tech

Best MTB helmet lights – light up the trails with these powerful helmet lights
By Aoife Glass Last updated
Buyer's Guide Our round-up of the best MTB helmet lights will help you keep riding through dark evenings and experiencing your favorite trails in a whole new light

Bespoken word – Test and reset (or how bike and gear testing is a never-ending process)
By Guy Kesteven Published
Opinion Guy Kesteven explains how testing is a constant process and part of that is re-evaluating and re-writing past reviews

PNW Loam Carbon Handlebar review – CBD for your mountain bike
By Guy Kesteven Published
Review Guy Kesteven rides the Loam Carbon handlebar from the affordable alloy mountain bike component specialists PNW to see if their CBD tech really is dope

Bespoken Word – Islabikes - Saying goodbye to a truly iconic, game changing visionary
By Guy Kesteven Published
Opinion Iconic UK brand Islabikes are winding down operations after 18 years. Guy Kesteven explains why they’re one of the few companies that truly deserve the game changer name and why the game they changed mattered more than any other

Santa Cruz Stigmata Force AXS RSV review – this gravel bike goes more MTB than ever
By Guy Kesteven Published
Review Is Santa Crz’s Stigmata Force 1X AXS RSV the new pedigree standard for progressive gravel performance or a drop bar mountain bike mongrel?

Cotic Jeht 2 review – outstanding steel trail bike gets even better
By Guy Kesteven Published
Review Cotic’s Jeht 2 is a superbly sorted, primarily UK-built, steel-framed trail charger that can tackle the toughest trails flat out in a distinctively charismatic, eco-friendly way

Here's why the second generation Cotic Jeht 2 is a steel framed MTB trail charger
By Guy Kesteven Published
News Cotic Jeht 2 gets a Scottish build and paint job, geometry tweaks and improved sizing options

Bespoken Word – Does riding illegal singletrack and unsanctioned trails make you an MTB criminal?
By Guy Kesteven Last updated
Opinion Guy Kesteven rides illegal trails all the time and he knows he’s not alone. The whole question of unsanctioned trail use is stepping up a level officially though, so what happens next?

Wiggle Chain Reaction Cycles tell suppliers to cancel orders amid financial woes for parent company
By Guy Kesteven Published
News Suppliers told “Cancel any remaining backorders, no one is going to get paid” as key investors pull funding

With teams pulling out and pros going elsewhere, is enduro racing dying?
By Guy Kesteven Published
Opinion The world governing body say enduro participation and viewer numbers are the best ever and independent events are thriving too. So why are pro teams quitting enduro racing and why are top riders diversifying into DH amidst rumors that enduro will be dead as a top level sport within a couple of years?

Trek Checkpoint SL 6 AXS review – all-round gravel machine
By Guy Kesteven Published
Review Trek’s Checkpoint has unique progressive geometry and scissor frame features and all the mount points you could want. But is it a multi-surface, multi-mission master or a complicated compromise?

Bespoken Word – Are modern, state-of-the-art riding jackets rubbish?
By Guy Kesteven Published
Opinion Guy Kesteven is lucky enough to test the latest mountain bike clothing from the world’s most innovative and well respected brands. Recent experiences have stirred up his long held suspicion that a lot of heavily hyped kit is actually a bit...