Originally Posted by rockmuncher
170mm is fine. Is the chainset the Ultegra 6600 (2005 Ultegra 10s group)?
THe inner one says 9S, so it's not looking good. The BB is a 6500. The cranks are marked FC-6500, if that helps. I'm not sure what they were taken off, but it appears to me they were installed and never used. I'm guessing they came off my brother's Giant CRX cross bike.