Single Speed Bike Crank Size?


link put doesnt work. said diameter of crank size? cranks come in lengths not diameters, front chainrings circular have diameter. purely based on said, single speed mountain bike, assuming ridden in woods should have relatively small front chainring 34/35 tooth (and 18-21 tooth rear) , long cranks 170mm , up.

im commuter , weekend warrior should go bike shop , start asking questions.

i planning build single speed mountain bike (just fun). small crank on picture. know diameter or size of it?

http://mtobikes.com/wp-content/2008-gary...


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