The Shimano crankset "Alfine" FC-S501 is a high-quality bike crank designed for efficient and reliable performance in urban and sporty use. With a single chainring and a tooth count of 42, it offers an optimal gear ratio for various riding conditions. The crankset features Hollowtech II technology, which ensures low weight and high stiffness. It is compatible with 8- and 9-speed systems and is delivered as a self-service package without a bottom bracket. The crank arm length is 170 mm and is made from durable aluminum, highlighting its longevity and resilience. This crankset is ideal for cyclists who value quality and performance.

• Hollowtech II technology for low weight and high stiffness
• Compatible with 8- and 9-speed systems
• Robust aluminum construction for durability
• Easy installation as a self-service package without a bottom bracket.