The motorsports auction offers many exclusive signed MotoGP nd FIM memorabilia, and is highlighted this year by a 2010 Yamaha YZF-R1 donated by Bennetts bike insurers out of the UK. The custom-painted bike was previously ridden b Bennetts-backed riders Cal Crutchlow, Scott Redding and James Toseland.The 2012 Riders for Health online auction, which will be the organization’s largest auction ever, will also feature a unique painting of Valentino Rossi signed by the charismatic Italian nine-time world champion.Other lots include shirts, caps, photographs, an American flag and a knee slider signed by current MotoGP stars Jorge Lorenzo, Dani Pedrosa, Colin Edwards, Nicky Hayden, Ben Spies, Andrea Dovizioso, Cal Crutchlow, James Ellison, and young British riders Bradley Smith, Scott Redding, Danny Webb and Danny Kent.There are two chances to tour the Sky Sports studios in London and watch a race live from the broadcast studio. Whether you bid to watch either an IndyCar or a Speedway race, you and a friend will meet the studio team, enjoy Sky Sports hospitality and take away signed memorabilia from the visit.To bid on any of the amazing items up for grabs, visit myworld.ebay.co.uk/riders-for-health.Riders for Health is supported by motorcyclists all over the world and is the official charity of MotoGP and the FIM. And for their latest appeal, the motorsport community has donated some incredible items to raise money for the organization’s lifesaving work in Africa.What’s more, all of the money raised from the online auction will be matched, pound for pound, by the UK Government helping to improve vital access to health care for thousands more people across rural Africa.Riders for Health provide health workers in Africa with reliable motorcycles and four-wheel vehicles so that they can reach rural communities with lifesaving health care. They train them to ride and drive safely and carry out daily checks on their vehicle so that it never breaks down. Until September 12 the UK Government is matching all donations made by British citizens to Riders for Health. To make a donation with twice the impact, visit riders.org or call +44 (0)1604 889570.