Problem Solvers Chain Tensioner Two-Pulley Adjustable Chainline

This Problem Solvers Two-Pulley Tensioner is for use with single-speed drivetrains.

• Two-pulley tensioner
• Adjustable chainline
• 18t maximum cog size
• CNC-machined AL-6061-T6
• Not for use with fixed-gear drivetrains or coaster brakes