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
MBUK 443

February 2025 issue on sale now!

MBUK January 2025

January 2025 issue on sale now!

MBUK TV logo thumbnail

MBUK TV is now live on YouTube!

The new home of mountain bike videos, with all the best tech, adventures, reviews and interviews
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Saracen Bikes 2025

MBUK video: Every major mountain bike type explained

With the aid of the 2025 Saracen Bikes range, we explain the difference between downhill and downcountry, enduro and XC
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MBUK Podcast launches

MBUK podcast: 'MTB moments we'll never forget'

A look back at those times when mountain biking changed forever
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Enduro vs DH

MBUK Video: The downhill bike is dead (kinda!)

MBUK Podcast launches

MBUK podcast: 'Riders who shaped the sport'

MBUK Podcast launches

Check out the new MBUK podcast!

Hottest 2024 bikes. Pic: Steve Behr

MBUK Video: 6 of the best bikes for 2024

New Specialized Demo. Pic: Red Bull Content Pool

MBUK Video: 2023 downhill racing tech trends

Ride Together 2023 hits BikePark Wales

Ride Together 2023 hits BikePark Wales

ROTY

Vote for your MBUK Rider of the Year 2023 – polls close soon!

Mondraker Summum

MBUK Video: 5 hidden secrets of the pros' bikes

What's the best bike for BikePark Wales?

MBUK Video: What's the best bike for BikePark Wales?

We get the opinion of everyone from staff members to pro shredders
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MBUK Video: 5 best slopestyle bikes

Will gives you the lowdown on the sport and picks his five favourite rigs
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Malverns Classic 2023

MBUK Video: Retro bikes, lake ride and racing at the 2023 Malverns Classic

Will and Max hit the biggest MTB party of the summer – cue backflips, race wins and tons of tech
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Will Soffe races dual slalom at the Malverns Classic. Pic: Steve Behr

Join MBUK at this year’s GT Malverns Classic

The UK's biggest summer bikefest is nearly here!
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BikePark Wales. Pic: Andy Lloyd

MBUK Video: A bike park like no other: inside BikePark Wales

We hear the story behind Britain's biggest bike park, then shred the trails – including the new Boomslang
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Charlie Hatton wins the 2023 UCI Downhill World Championships. Pic: Steve Behr

"Unreal!" – Charlie Hatton reflects on his DH World Champs victory

How the young Brit stayed on track, beat the world's best and got his own theme song!
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Matt Walker and his prototype Saracen Myst. Pic: Steve Behr

MBUK video: New bikes and posh paint at the 2023 Downhill World Champs

Our pick of the custom kit in the Fort William pits
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Will Soffe at Mondraker's Alicante HQ

MBUK Video: Mondraker factory tour

We check out the Spanish bike brand's stylish HQ in Alicante
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2023 Cycling World Championships

Get set for the 2023 MTB World Champs!

Biggest cycling event ever comes to Scotland this month – viewing tips and more
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