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What gearing should I use?

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Gnarlyscoots:
The frame is a 18.5TT Thruster, cranks are 170mm Shimano, 20" wheel, and it's for my 6 year old Daughter.

Do I use 39/16, or 39/17  :-\

What do you recommend please Guys  ???

bmxband1t77:
fixing 39T front, the larger the teeth number on the rear freewheel the easier the pedalling gear is, so quicker to get going but more or rapid rotations to maintain speed. as i normally run 44t/16t or 45t/16t i would guess 39t/16t is the one for a generally easier gear range...

see wot any of the other guys recommend.......


jonboy

dancetothedrummersbeat:
I would say 39/16 would be fine.

mattuknc:
G has 39/16 on the Auburn with 165's, she zips off with that! (Jogging to keep up on the school run is not a fun way to start the day!) :daumenhoch:

nosepickben:
Try the 17 first and see how she does. I think easiest is the way to go until they get used to a new bike, then you can increase the speed potential when ready. It depends how flat your terrain is too.

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