Gravity-powered action for adrenalin junkies and/or sheddies in Nelson NZ http://www.derby.co.nz/ http://www.derby.co.nz/graphics/logo-trolley-derby.png http://www.derby.co.nz/ http://www.derby.co.nz/ Check out heaps of photos from the SH60 Ruby Bay Bypass event, Sunday May 23 2010 http://www.derby.co.nz/index.html