SHIMANO ALFINE Road Crankset with Chain Guard
FC-S501
SHIMANO ALFINE - Road Crankset with Chain Guard
The stylish SHIMANO ALFINE FC-S501 crank is available with single or dual chainring guards and 45, 42, and 39T chainrings. It is offered in black and silver, 170mm crank arm length, and uses an outboard, 24mm compatible bottom bracket.
FEATURES
- Chainring: 45T, 42T, 39T
- Single or double chainguard integrated design
- Color options: Piano black, Silver
PRODUCT SPECIFICATIONS
| MODEL NO | FC-S501 |
|---|---|
| SERIES | ALFINE S7000/S700 Series |
| Color | Silver | Silver | Black | Black |
| Rear speeds | (Internal geared hub) - (Internal geared hub) |
| Compatible chain|Super Narrow HG for 9-speed | X (CN-HG93, CN-HG53) |
|---|---|
| Chain line (mm) | 49.2 (double chain guard) - 49.2 (double chain guard), 42.7 (single chain guard) |
| P.C.D. left / right (mm) | 130 - 130 |
| Spider/gear arms | 5 |
| Chainring combination | 39T, 42T, 45T | 39T |
| Crank arm length (mm)|170 | ✔ |
| Optional chain guard|With chain guard | X (double) |
| 2-PIECE CRANKSET | ✔ |
| Compatible bottom bracket type|Outboard | ✔ |
| Recommended bottom bracket|Threaded (normal) | BB-RS501 | BB-RS501 |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Chain guard 1|Diameter (mm) 45T | 200 | 200 |
| Chain guard 1|Diameter (mm) 42T | 190 | 190 |
| Chain guard 1|Diameter (mm) 39T | 174 | 174 |
| Chain guard 2|Diameter (mm) 45T | 200 |
| Chain guard 2|Diameter (mm) 42T | 190 | 190 |
| Chain guard 2|Diameter (mm) 39T | 174 | 174 |
| Crank fixing screw included | ✔ |
