lol they are a treat to do(not) seriously its very easy if you know how u ned alength of bowden cable like an old bicycle brake cable inner and then you feed it under the spring hokk it over the l shaped bit on the end of the spring and pulll it under the rest of the spring until it pops out and locks onto the other side also at the same time the cable flys off and jobs a gooden.if you dont understand what i have said post a new question for me and ill try again to help you do it.
adam bike doctor, August 2010
