Free Flow Chains possess dimensional restraints and so require particular sprockets.
Tsubaki provides sprockets for Dual Plus Chains, sprockets for Dual Plus Chains with top 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. May be used with Double Plus Chain with snap covers.
Details
Sprockets for Double In addition Chain with Outboard Rollers
Make use of Sprockets for Dual Plus Chain.
Details
Sprockets for RS Chain with Outboard Rollers
Outboard rollers upon RS Chain with outboard rollers may interfere with sprocket hubs based on the number of sprocket teeth. Use this special sprocket instead.
Details
Sprockets for Dual In addition Chain with Top Rollers
R Rollers on Dual In addition Chain with Best Rollers may cause interference with standard sprocket teeth. Use this special sprocket instead.
Details
Sprockets for RS Chain with Top Rollers
Use Drive Sprockets.
Details