Originally Posted by
lonelybikeboy
Thanks Velognome. Do you know if it's possible to use the SA quadrant shifter on the downtube? Or is it strictly a top tube shifter?
Traditonaly it is used on the top tube with a pulley at the seat tube lug. It's used on the downtube for loop frames. Running on the down tube appears to be less than optimal and brings in some issues as the cable passes the crank, namely adjustment and danger of the cable getting caught in the chainring during flat repairs.