Features Road Under the influence By Wendy Booher published 9 September 2007 Starting Thursday, September 6, defending world downhill champion Sabrina Jonnier will need to... Comments Image 1 of 24Jonnier's Iron Horse Sunday World Cup(Image credit: Wendy Booher)Metal to the pedal(Image credit: Wendy Booher)WTB provides Jonnier(Image credit: Wendy Booher)There's no question(Image credit: Wendy Booher)Rock Shox's new Vivid 5.1 rear shock(Image credit: Wendy Booher)A small piece of foam(Image credit: Wendy Booher)Jonnier runs DT Swiss 440 FR hubs(Image credit: Wendy Booher)The Rock Shox Boxxer(Image credit: Wendy Booher)Sabrina Jonnier just seconds after winning her second national downhill title.(Image credit: Wendy Booher/Cyclingnews.com)Brand new national champ Sabrina Jonnier basks in the glory.(Image credit: Wendy Booher/Cyclingnews.com)Already resplendent in rainbow stripes, Sabrina Jonnier will add the "bleu, blanc, rouge" jersey to her collection.(Image credit: Wendy Booher/Cyclingnews.com)Something to smile about : Jonnier takes home the title.(Image credit: Wendy Booher/Cyclingnews.com)"S" marks the top tube of Sabrina Jonnier, super downhill racer.(Image credit: Wendy Booher/Cyclingnews.com)Rock Shox's new Vivid 5.1 rear shock : nothing beats the buttery smoothness of a coil spring.(Image credit: Wendy Booher/Cyclingnews.com)The rear derailleur housing is heavily armored to protect against damage.(Image credit: Wendy Booher/Cyclingnews.com)The Rock Shox Boxxer World Cup offers 203mm of bump-eating travel, while remaining among the lightest of its class.(Image credit: Wendy Booher/Cyclingnews.com)Jonnier's Iron Horse Sunday World Cup sports a set of well-used Avid Code brake levers.(Image credit: Wendy Booher/Cyclingnews.com)Metal to the pedal : Crank Brothers' Mallet M keeps Jonnier securely attached as she hurtles herself down the mountain.(Image credit: Wendy Booher/Cyclingnews.com)WTB provides Jonnier with its lightweight Devo saddle.(Image credit: Wendy Booher/Cyclingnews.com)There's no question as to who this Iron Horse belongs to.(Image credit: Wendy Booher/Cyclingnews.com)World Champion duo Jonnier and Iron Horse.(Image credit: Wendy Booher/Cyclingnews.com)A small piece of foam keeps debris from getting jammed behind the lower suspension link.(Image credit: Wendy Booher/Cyclingnews.com)Jonnier runs DT Swiss 440 FR hubs both front and rear.(Image credit: Wendy Booher/Cyclingnews.com)The Rock Shox Boxxer is one of the most popular choices on the World Cup circuit.(Image credit: Wendy Booher/Cyclingnews.com)Pro bikes, September 9, 2007Sabrina Jonnier's Team Iron Horse/Monster Energy Iron Horse Sunday World CupGet The Leadout NewsletterThe latest race content, interviews, features, reviews and expert buying guides, direct to your inbox!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors Wendy BooherSocial Links Navigation LatestSpecialized give Red Bull-Bora-Hansgrohe a fresh look for 2025 as new race apparel sponsorEverything changes for Astana in 2025 after massive investment by Chinese bike manufacturer XDSChinese X-Lab bikes enter the WorldTour as XDS Astana reveals the new AD9 race bikeSee more latest ► Most PopularA baker's dozen of narrow bars, gummy bears, and one incredible bike: Will’s Gear of the YearWill we ever find out the 'truth' about motor doping?The perfect Christmas gifts for the cyclist in your life‘I can’t lose that aggressivity’ - Ben O’Connor changes teams but keeps his racing styleGolden beginnings – How Pinarello’s Dogma XC HT rose to the top of cross-country mountain biking'If you want to win races, you've got to beat Pogačar and Evenepoel' - Ben Healy on the art of the breakaway specialist'Release your data' - Greg LeMond on transparency, skepticism and the new era of cyclingPredictive nutrition and mathematic modelling - How AI is changing the WorldTour pelotonSubscribe to Cyclingnews for unlimited access to our coverage of the season-opening 2025 Tour Down Under‘I know my potential’ - Biniam Girmay surveys the repaved road aheadFuture stars of the WorldTour – The neo-pros to watch in 2025