Model  Cap.(kg/m) Power Pro   Ratio cm/rev Bearings Drag(kg)  Weight(g)
STCI41000FML 1/174 3/180 6.0:1 74 6+1 1.8 173
STCI41000F 1/247 5/172 6.0:1 74 6+1 2.7 176
STCI42500F 3/183 8/262 6.0:1 86 6+1 7  198
STCI43000F 3/205 10/215 6.0:1 89 6+1 7  204
STCI44000F 4/210 15/240 5.8:1 94 6+1 9  264