- 31
- 39T, 42T, 45T
- 170
Specifications
As listed in the manufacturer's catalog.
General
- Series
- ALFINE
- Model no.
- FC-S501
- Rear speeds
- (Internal geared hub)
- Compatible chain / Super Narrow HG for 9-speed
- ✔ (CN-HG93, CN-HG53)
- Chain line (mm)
- 49.2 (double chain guard), 42.7 (single chain guard)
- P.C.D. left / Right (mm)
- 130
- Spider/gear arms
- 5
- Chainring combination
- 39T, 42T, 45T
- Crank arm length (mm) / 170
- Yes
- Optional chain guard / With chain guard
- ✔ (double)
- 2-PIECE CRANKSET
- Yes
- Compatible bottom bracket type / Outboard
- Yes
- Recommended bottom bracket / Threaded (normal)
- BB-RS501
- Threaded bottom bracket shell width (mm) / 68
- Yes
- Crank fixing screw included
- Yes
Color
- 1
- Silver
- 2
- Black
Crank arm
- Material
- Aluminum
- Finish
- Anodized/Painted
Outer ring
- Material
- Aluminum
- Finish
- Anodized
Chain guard 1
- Material
- Aluminum
- Finish
- Anodized
- Diameter (mm) 45T
- 200
- Diameter (mm) 42T
- 190
- Diameter (mm) 39T
- 174
Chain guard 2
- Material
- Resin
- Diameter (mm) 45T
- 200
- Diameter (mm) 42T
- 190
- Diameter (mm) 39T
- 174
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano Alfine S501 Crankset, 39T, 170mm
-
Shimano Alfine, FC-S501, 42 T, BB type: BSA 68 mm / 2-Piece, Chainguard
-
Shimano Alfine FC-S501, 39. Z black 39 t.
-
Shimano Alfine FC-S501 39T - Black
-
SHIMANO ALFINE S501
-
Shimano Alfine S501, w/ 39T Single Ring
Bicycles
Published bicycles that use it, newest model years first.