Free Flow Chains possess dimensional restraints and so require special sprockets.
Tsubaki provides sprockets for Double In addition Chains, sprockets for Dual Plus Chains with best rollers, and sprockets for RS Chain with outboard rollers.
Product Lineup
Product Types / Features
Sprockets for Dual Plus Chain/Middle Roller Chain
Sprockets for Double Plus Chain/Middle Roller Chain. Can be used with Double Plus Chain with snap covers.
sprockets Details

Sprockets for Dual In addition Chain with Outboard Rollers
Use Sprockets for Dual Plus Chain.
Details
Sprockets for RS Chain with Outboard Rollers
Outboard rollers on RS Chain with outboard rollers might interfere with sprocket hubs depending on the amount of sprocket teeth. Use this special sprocket rather.
Details
Sprockets for Dual In addition Chain with Best Rollers
R Rollers on Double In addition Chain with Best Rollers may cause interference with regular sprocket teeth. Use this special sprocket instead.
Details
Sprockets for RS Chain with Best Rollers
Make use of Drive Sprockets.
Details