碟刹用内变速花鼓(8 速)
SG-S7051-8
SG-S7051-8
碟刹用内变速花鼓(8 速)
-
FEATURE
- 变速性能更高,即使因为电动自行车电机引起高链条张力也不例外
- 改进适用于电动自行车和非电动自行车
相关技术
产品规格
型号 |
SG-S7051-8 |
系列 |
SHIMANO ALFINE S7050/S705 系列 |
Color |
Silver, Black, - |
Average weight |
1,670 g |
Bike Type_Mount Type |
CENTER LOCK disc brake |
Bike Type_Mount Type |
CENTER LOCK(中央锁紧)碟刹 |
Speeds |
8 |
Gear ratio_Total |
307% |
Gear ratio_1 |
0.527 |
Gear ratio_2 |
0.644 |
Gear ratio_3 |
0.748 |
Gear ratio_4 |
0.851 |
Gear ratio_5 |
1 |
Gear ratio_6 |
1.223 |
Gear ratio_7 |
1.419 |
Gear ratio_8 |
1.615 |
Shifting power modulator |
X |
Spoke hole_32H |
X |
Spoke hole_36H |
X |
Axle length (mm)_187 |
X |
Shifting Structure |
DI2 |
Axle Length |
187mm |
Driving efficiency |
高 |
Flange diameter (mm) |
57.3 |
Flange width (mm)_Left |
3.2 |
Flange width (mm)_Right |
3.2 |
Gear change support mechanism |
X |
O.L.D. (mm) |
135 |
Offset (mm) |
3.15 |
P.C.D. (mm) |
92.6 |
Silent clutch |
X |
Spoke Hole |
32H, 36H |
Spoke size |
#13 / #14 |