tag:blogger.com,1999:blog-11902949.post3090257061008060728..comments2008-11-23T16:17:31.547ZMercian Cycleshttp://www.blogger.com/profile/14575522215865785419noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-11902949.post-44063395191980975012008-11-23T16:17:00.000Z2008-11-23T16:17:00.000ZI must say while your riding the bike you will feel no difference in its performance.Granthttp://www.blogger.com/profile/14575522215865785419noreply@blogger.comtag:blogger.com,1999:blog-11902949.post-62939490616462997212008-11-22T11:37:00.000Z2008-11-22T11:37:00.000ZI've seen these couplings before. How do they affect the performance of the frame?Colinhttp://www.blogger.com/profile/12322462786446135617noreply@blogger.com