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Front-Freewheel System, FFS ®
From WikiPedalia
Sheldon Brown's Bicycle Glossary · letter E-F· term in the original: Front-Freewheel System (FFS ®)
← Front Drive · FSA ® (Full Speed Ahead) →
← Front Drive · FSA ® (Full Speed Ahead) →
Shimano's Front Freewheel System. The freewheel was built into the bottom bracket, so that the chain would turn even when the rider was coasting. This was to allow shifting while coasting--a solution in search of a problem.
