Dont know if any drivetrain gurus can help me out but heres hoping.
Ive built up a 16" bike for my 4 year old and want to add gears within the next 12 months.
Ive sourced a 3 speed freewheel and the spacing between the teeth (gear to gear) is 5.5mm approx
What I now need to figure out is which shifter and derailleur combination I could use to get the required shifts.
Obviously 4-5 year old grip and finger strength is limited and I need to weigh up a trigger shifter vs grip shift as well as actuation rations and cable pull.
Through at the rear derailleur can be restricted through using longer H & L screws.
I know this can be done as Ive seen examples on other parts of the forums and Im sure I could use a front shifter since Im only looking at 3 speed.
So my question is has anyone done this type of thing on this forum, or can anyone offer up any advice as to what shifter and rear derailleur combination could be used to achieve a 5.5mm shift.
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Thread: Solution wanted
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