The rider, from Warwickshire, hit a stationary van, fell from his bike and was hit by another motorcycle.
The theatre company is selling off more than 10,000 items of clothing worn by actors over the decades.
The Star Trek actor thanks a fire crew on Twitter for helping him after his car tyre blew.
Some Midlands questions to the 'Prime Minister-in-waiting'
BBC Coventry & Warwickshire needs your help to showcase the city's hidden gems
Team news as Exeter Chiefs host Wasps in Sunday's Aviva Premiership fixture at Sandy Park (15:00 BST).
Coventry City end Exeter City's unbeaten record in League Two with a 2-0 victory at the Ricoh Arena.
About these results
Bob Brolly's Irish Programme
7 ways to explain the Kardashian phenomenon