Shimano S501 Alfine Single Speed Crankset

Premium quality, style, versatility, and effortless to use - the Shimano Alfine is a group of top components for sporting and elegant cycling. The Alfine has a clean look and a great gear ratio which this internal gear hub system.

The 2-piece Shimano Alfine FC-S501 crankset features crankarms and a chainring made of aluminium as well as an integrated axle. The crankset is compatible to the Alfine 8-speed and 11-speed internal gear hub system. Version with 2 chain guards, outside and inside.

• Material: crank arms, chainring, outer chain guard: aluminum
• inner chain guard: resin
• Crank length (mm): 170
• Chainwheel, number of teeth: selectable: 42 
• Fitting for derailleur: 8-/11-speed internal gear hub system
• Axle profile: integrated axle
• Bolt Circle (mm): 130
• Type of chain: HG, super narrow, 9-speed | recommended: CN-HG53, CN-HG93 (not included)
• HG, 8-speed | recommended: CN-HG71 (not included)
• SM-BB4600 Bottom Bracket included
• Chainline: 49.2 mm