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i have a 700 RMK with boysen reds and twin pies and a team secondary and i am in the process of going from 144 track to a 151 and want to gear it down i have 19 and 39 gears in it now and want to know what evryone recomends before i go out and start buying a whole bunch of gears and i want something that will pull hills dont need to do mach one acroos flat ground