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13° or 17° release angles Self cleaning: patented design offers perfect mud evacuation for easy clip-in in all conditions
road bikes
Same stability profile as all Sutro Lite models:
engineered with expertise that uses a 4-way stretch to maximize the elasticity of the fabric
improves overall durability vs older resin designs
Park Tool FR-4 Freewheel Remover On Sale 13° or 17° release angles???? Park Tool FR 4 Freewheel Remover Youre describing the Park Tool FR 4 Freewheel Remover a specialist tool for removing older SunTour style freewheels. ???? What it does The FR 4 is used to: ???? Remove SunTour 20 spline freewheels ???? Service older road and MTB drivetrains ???? Work on vintage or classic bicycle hubs ???? This is a legacy drivetrain tool, not for modern cassettes Key features (simplified) Fits 20 spline SunTour freewheel systems
