30. to regulate (a train, clock, etc.) as to time. 31. to choose the moment or occasion for; schedule: He timed the attack perfectly. v.i. 32. to keep time; sound or move in unison. Idioms: 1. against time, in an effort to finish within a limited period. 2. ahead ...
Any bigger back sprocket than 48 may need the bottom chain guide modifying although I fitted a 52 with no problems. In the UK, Totally TTRs stock all the parts for the bottom chain guide block which fits the "two bolt" UK system along with related drive train parts - seehere. US mode...
By now, CETC have made great success in many different fields, hereby pls. find a small part of them: Metro Systems: Pakistan Lahore Orange Line, Harbin Metro, Ningbo Metro, Wuhan Metro etc. Railway/Train Applications: Zhengzhou Railway Bureau, Wuhan Railway Bureau, Shanghai Railway Bureau ...