Everton Pabon Posted May 13, 2013 Report Share Posted May 13, 2013 Hey! I have a Zoo! Piranha (long frame) and I'm trying to find a stem. But all I tested (the last was number 4, 150mmX30º), I feel like the front of the bike got too heavy. Someone could tell me which stem is ideal for this frame? Thanks for the help. Quote Link to comment Share on other sites More sharing options...
CalopS Posted May 13, 2013 Report Share Posted May 13, 2013 130mm ish I'd say on a 50mm bb frame. Those look like 158mm monty cranks on there? What gear ratio are you running with those? Usually people run 18/15 gear ratio with 175mm cranks. 1 Quote Link to comment Share on other sites More sharing options...
Everton Pabon Posted May 14, 2013 Author Report Share Posted May 14, 2013 (edited) I'm using a 2007 CZAR 175mm crank with 18/16 gear. ZOO! Piranha frame: wheel base: 1098 mm BB high: 45 mm chain stays: 383 mm head angle: 72 graus (I'm 1.78cm tall) There is some text explaining how to calculate/find the correct stem? I would like to understand how this works.. Edited May 14, 2013 by Everton Pabon Quote Link to comment Share on other sites More sharing options...
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