Specifications
As listed in the manufacturer's catalog.
General
- Series
- ALFINE
- Model no.
- SG-S7051-8
- Function name
- INTER-8
- Brake type / Mount type
- CENTER LOCK disc brake
- Axle fixing method
- Nut
- Sprocket fixing method
- Snap ring
- Rear speeds
- 8
- Shifting structure
- Di2
- Silent clutch
- Yes
- Gear change support mechanism
- Yes
- Shifting POWER MODULATOR
- Yes
- Driving efficiency
- High
- O.L.D. (mm)
- 135
- Spoke size
- #13/#14
- Axle length (mm) / 187
- Yes
- Flange distance (mm)
- 57.3
- Flange diameter (mm)
- 104.3
- Offset (mm)
- 3.15
- P.C.D. left / Right (mm)
- 92.6
- Average weight (g)
- 1670
Color
- 1
- Silver
- 2
- Black
Gear ratio
- Total
- 307%
- 1
- 0.527
- 2
- 0.644
- 3
- 0.748
- 4
- 0.851
- 5
- 1
- 6
- 1.223
- 7
- 1.419
- 8
- 1.615
Spoke hole
- 32H
- Yes
- 36H
- Yes
Flange width (mm)
- Right
- 3.2
- Left
- 3.2
Hub shell
- Material
- Aluminum
- Finish
- Anodized
Bicycles
Published bicycles that use it, newest model years first.