Granny Insufficient

I’ve always known granny gear as a truck term for the often ultra low 1st gear in many 4 speed manual shift trucks, a gear meant to allow trucks the ability to get heavy loads moving or to keep them moving up steep slopes.  However, the max speed in that gear may be no faster than a granny can walk.    Granny gear made its way into mountain biking because mountain bikes often have an ultra small chainring up front,…Continue Reading