SHIMANO DURA ACE DI2 十二速波撥-FD-R9250 / SHIMANO DURA ACE DI2 FRONT DERAILLEUR-FD-R9250
IFDR9250F
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Official Specifications - FD-R9250
| Series |
DURA-ACE |
| Model no. |
FD-R9250 |
| Color |
Series color |
| Front speeds |
2 |
| Rear speeds |
12 |
| Compatible chain |
HG 12-speed |
| Action |
TOP SWING |
| Down swing |
✔ |
| Brazed-on |
✔ |
| Chain line (mm) |
44.5 |
| Chainstay angle (deg.) |
61-66 |
| Top gear teeth |
46-54T |
| Total capacity |
16T |
| Link bushings |
4 |
| Rear clamp band, base bracket Material |
Aluminum |
| Rear clamp band, base bracket Finish |
Painted |
| Outer link Material |
Aluminum |
| Outer link Finish |
Anodized |
| Inner link Material |
Steel |
| Inner link Finish |
Plated |
| Chain guide Material |
Aluminum |
| Chain guide Finish |
Plated |
| Firmware update by E-TUBE PROJECT |
✔ |
| SD50 port (pcs) |
0 |
| SD300 port (pcs) |
1 |
| SD50 connector (pcs) |
0 |
| SD300 connector (pcs) |
0 |
| Average weight (g) (band type: L size, direct type w/ screw) |
96 |
