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As an addition to the mechanical Dura-Ace 7900 series, the electronic Dura-Ace 7970 will deliver state-of-the-art technology that will give its users a revolutionary road riding experience. Di2 stands for ‘Digital Integrated Intelligence’. This innovative shift technology is still based on the Shimano Index System (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case , the shifting action is provided for by electronics instead of mechanics. This electronic shifting system was tested extensively over the past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Dura-Ace 7970 series consists of Du
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Mortons Media Group Ltd.: Fast Bikes
£50 from WHSmith
Welcome to Fast Bikes , your home of the best sportsbike tests on the planet, full of technical insight, hardcore action…more
Muscle Bikes£11.99 from WHSmith
This documentary takes a look at the cutting edge of American motorcycle design, featuring the best models from Harley D…more
Busy Bikes£6.99 from Waterstones
Push, pull and slide the tabs to whizz around the pages of Busy Bikes! Perfect for toddlers just starting to cycle on a…more
Fast Bikes Show: 3£10.99 from WHSmith
The world`s top superbikes are put through their paces in this orgy of motorcycling action. The riders push their machin…more
Castrol Classics – Bikes£14.99 from WHSmith
Collection of short motorcycle films from the 1950s to the early 1970s featuring action from events including the Banbur…more
Knights Of Media: Knights and Bikes
£7.99 from WHSmith
Welcome to the sleepy island of Penfurzy, where nothing exciting ever really happens. OR DOES IT?Adventure awaits Demelz…more
Items 1 to 6 of 13843