Description
REAR STURMEY ARCHER HUB
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X-RK8 - 8 Speed 6 bolt Disc Brake Rear Hub
Complete with 25T sprocket and 8 speed shifter
FEATURES
• 8-Speed internal gear hub with wide gear ratio of 325%
• Gear steps of 30%, 14%, 14%,14%, 14%, 14% and 30%
• Rotary gear selector without protrusions outside the frame
• 6061 Aluminium hub shell
• 36 spoke holes
• Compatible with 20, 23 or 25 teeth sprocket
• High-polish alloy. 13/32’’ Axle x 179mm
Gear Ratio
• Overall Range - 325%
• Gear 1 - 100% (Direct Drive)
• Gear 2 - 130% (Gear 1 + 30%)
• Gear 3 - 148% (Gear 2 + 14%)
• Gear 4 - 169% (Gear 3 + 14%)
• Gear 5 - 192% (Gear 4 + 14%)
• Gear 6 - 220% (Gear 5 + 14%)
• Gear 7 - 250% (Gear 6 + 14%)
• Gear 8 - 325% (Gear 7 + 30%)Sturmey Archer Part No 175MM W/TSS86 SET 25T DISC