Joined: May 2005
Posts: 330
Likes: 1
From: Fremont, Ca
Bikes: Calfee, Spectrum, Colnago MxL, 3RENSHO, Softride Classic, TVT, Sentinel Whisper, Centurion Comp TA, Vitus 979, 92 RB-1, 94 RB-T, RADAC, 50th Anniversary Schwinn Paramount
hiddenbolt
it's a 6mm allen. the same as the plastic cover. I find it easier to use a ball ended allen on that part.