Author James Costley-White
James Costley-White

James Costley-White

Editor, Mountain Biking UK magazine

James Costley-White is the editor of Mountain Biking UK (MBUK), the UK's best-selling mountain biking magazine, founded in 1988. James, aka JCW, has been an avid mountain biker since 1992, during which time he's amassed a huge amount of knowledge about the sport and tons of riding experience. He can regularly be found riding the trails around Bristol and South Wales. As well as editing MBUK, JCW contributes regular product reviews and other articles to the magazine. He's a fully-qualified professional journalist, certified as a senior reporter by the National Council for the Training of Journalists (NCTJ), and holds a postgraduate diploma in journalism from Cardiff University's School of Journalism, Media and Culture. As well as heading up MBUK, he's worked for other cycling titles including BikeRadar.com, ChopMTB.com and Triathlon Plus magazine, along with the Bristol Post, Western Daily Press, Gloucestershire Echo and Gloucester Citizen newspapers, in print and online.

Recent articles by James Costley-White

Stanley FatMax Walltech Pro air compressor

Pricey but powerful tyre inflator that makes tubeless seating struggles a thing of the past
more

The anatomy of an electric mountain bike explained

Check out our eMTB jargon buster with all the key components and terminology explained
more

10 stand-out downhill bikes from the World Championship

We take a look at some of the most striking tech and paint schemes from Fort William
more

Stashed SpaceRail bike storage system review

A space-saving solution for storing your bikes
more

Amazfit GTR 4 smartwatch

Smart-priced cycling watch from Hong Kong brand
more

Orbea Rise H10

Stripped-back electric bike that doesn’t sacrifice any of the fun factor
more

Amazfit GTR 3 Pro

Can this budget-friendly cycling watch compete with the big brands?
more

How to turn an old hardtail into a super commuter

Breathe new life into your old mountain bike with our handy guide
more

Specialized Gambit helmet

The big S isn’t playing games with its debut full-face enduro helmet
more

Brand-X Ascend XL dropper seatpost

Smooth, reliable and long dropper
more

Syncros Tailor IS 2.0HV storage cage

A complete on-bike tool storage solution for the backpack-averse
more

Exposure Diablo MK11 helmet light

One of the best helmet lights and mounts out there
more

OneUp Components V1 dropper post

Long-travel dropper for those short on frame space
more

Lezyne Mini GPS review

Small but with plenty of features
more

Best cheap mountain bike upgrades

Updated: Small upgrades that make a big improvement to your riding
more

Fort William World Cup – New bikes and kit

Nukeproof Pulse, Orange 324 and Intense M16, plus Ohlins fork and more
more

Alpinestars Paragon knee pads review

Impressive budget protection
more

OneUp RADr rear derailleur cage review

Novel solution to crawler cog blues
more

Race Face Turbine Cinch crankset review

Impressive new XC/trail cranks on the block
more

AbsoluteBlack 40t sprocket and lockring review

Crawler cog takes a different tack from the competition
more

Keela Stashaway Pro waterproof jacket review

Multipurpose outerwear
more

OneUp Components 42t sprocket review

Give your legs a break on brutal climbs
more

Ergon BA3 Super Enduro backpack review

Enduro-focused pack
more

Kenda Honey Badger Pro 26x2.2in tyre review

A sturdy but fast-rolling tyre
more