Shimano Alfine SG-S7001 Internal Geared Disc Brake 8 Speed Hub - Black Centerlock 32H
Product Details
The Shimano Alfine S7001-8 hub offers a wide 307% gear range and an improved internal structure for better gear engagement. It is approved for E-Bikeand non E-Bike use and is available in black and silver.
Technologies
Center Lock -The Center Lock system makes an easy rotor installation possible with spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency.
Power Modulator -As for the front roller brake, the braking Power Modulator system is built in the hub side to ease sudden lever power input for easy and stable braking control.The braking system is especially user-friendly for beginners.
Inter 8:The Inter-8 hub has increased its gear ratio to 307%, compared to 244% of the Inter-7 hub. The Inter-8 hub also incorporates a closer gear ratio allowing a more efficient and comfortable pedaling cadence. A truly "all conditions" internal hub has arrived.
Features
Improved overall riding comfortability and efficiency
Higher shifting performance even under high chain tension induced by E-bike motors
Improvement is suitable for both E-bike and non E-bike use
Specifications
Series ALFINE S7000/S700 Series Colour Black Average Weight 1670g Brake Type Mount Type: Centre Lock Disc Brake Speeds 8 Gear Ratio Total: 307% Gear Ratio 1: 0.527
2: 0.644
3: 0.748
4: 0.851
5: 1
6: 1.223
7: 1.419
8: 1.615 Brake type Recommended Model BR-S7000 Flange Distance 57.3mm Offset 3.2mm P.C.D. left / right 92.6mm Flange diameter 104.3mm O.L.D. 135mm Driving Efficiency High Flange Width Left: 3.2mm
Right: 3.2mm Silent Clutch Yes Spoke Size #13 / #14 Rear Speeds 8
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