Shimano Alfine FC-S501 Crankset with SM-BB4600 Bottom Bracket - Outer + Inner Chain Guard - black

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.

Chain Guard Alfine FC-S501

Diameter 45T: 200 mm
Diameter 42T: 190 mm
Diameter 39T: 174 mm

Incl. SM-BB4600 bottom bracket for BSA (1.37 x 24). Only for BB shell width 68mm.
BB shell width: 68mm
Chainwheel, number of teeth: selectable: 39 | 42 | 45
Fitting for derailleur: 8-speed ||| 9-speed ||| 10-speed ||| 11-speed
Included in delivery: incl. chain protection rings (outer + inner) and SM-BB4600 bottom bracket (BSA / 1.37 x 24)
Material: crank arms, chainring, outer chain guard: aluminum
inner chain guard: resin
Type of chain: HG, super narrow, 9-speed | recommended: CN-HG53, CN-HG93 (not included)
HG, 8-speed | recommended: CN-HG71 (not included)
Weight supplement: with bottom bracket, 39 teeth | weighed by Bike24