I took my 01' Marin Rocksprings into the shop, i got a new left crank arm and front derailluer, they were installed and purchased altogether for about 60 bux, is that good?, also, now i've been having a problem with the chain skipping when like, you have it in a high gear going down a sweet dh section and all of a sudden you need to power up a hill and your in a high gear, the chain will skip on me and cause me to lose control and have to put my feet down..., is there anyway to fix this?? help!!!
Rocky
Rocky