Chain Protector & Maintenance: Avoid chain drops during repairs/cleaning while keeping your drivetrain secure on road and mountain bikes.
Shock-Absorbing Sponge Rings: Includes 2 replaceable sponge rings to cushion the chain and avoid scratches during maintenance.
Universal Bike Compatibility: Installs quickly on most road and mountain bike hubs, Fits most chains with 25mm outer diameter/17mm inner diameter dimensions (0.98x0.67in).
Compact & Portable: Slim 14mm (0.55in) height design stores easily in toolkits or pockets for on-the-go repairs.
Complete Package: Includes 1 chain keeper tool and two replacement sponge rings for immediate use in home garage or mobile repair scenarios.