Shimano Alfine S501 45T 130mm BCD 5 Bolt Outer Chainring Guard Black Aluminum Chainring BCD_110 mm ensuring optimal fuel efficiency even

ensuring optimal fuel efficiency even in severe weather

Designed with Pactimo Aero Fit technology

The hybrid-specific RatchetSystem with 24 teeth offers quick engagement

engineered for security

while internal air channeling ensures optimal ventilation during your ride

Shimano Alfine S501 45T 130mm BCD 5 Bolt Outer Chainring Guard Black Aluminum Chainring BCD_110 mm ensuring optimal fuel efficiency evenUpgrade your bike's durability and style with the Shimano Alfine S501 45T 130mm BCD 5 Bolt Outer Chainring Guard in sleek Black Aluminum. Designed specifically for Shimano Alfine internal hub gear systems, this high performance chainring guard offers optimal protection, enhanced aesthetics, and reliable functionality for urban, commuting, and touring cyclists. Materials & Construction Crafted from lightweight, corrosion resistant aluminum, the Shimano