Joined: Oct 2011
Posts: 10,053
Likes: 2,508
From: Fairplay Co
Bikes: Current 79 Nishiki Custum Sport, Jeunet 620, notable previous bikes P.K. Ripper loop tail, Kawahara Laser Lite, Paramount Track full chrome, Raliegh Internatioanl, Motobecan Super Mirage. 59 Crown royak 3 speed
Yes you need a c spring for your DR to work fulley and correctly exspecialty on anything nine plus. Sense you have a mid lelvel Shimano I would say buy another DR new ones start at $25 and a good used is $15-20.