5 speed index bicycle freewheel, model SC-FR-105, a black multi-sprocket cluster offered in five ratio ranges. It threads onto the rear hub of a geared bicycle, drives the rear wheel under pedalling and lets the bicycle coast, with five sprockets for five gears. Its index design suits indexed shifting. Ratio ranges: 14-16-17-21-24-T; 14-17-20-24-28-T; 14-17-20-23-26; 14-16-18-20-22 T; 13-15-17-19-21 T