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BIKEgang
Brompton Sturmey Archer 8 speed Rear Hub X-RF8 Kit 325% 28 holes 20T OLD 120mm
Product Details
Item location:
Taiwan
Status:
In stock
Payment:
Paypal, Credit cards
Ship to::
Worldwide
Sturmey Archer X-RF8 (W) Kit For Brompton : Internal gear hub 8 speed with 20T sprocket
325% ultra wide gear range, including accessories required (Shorten Axle length for Brompton, thin nut, chainline adjustment spacers, 8 speed thumb shifter, cable ... please refer to photos).
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
• Available with 28 spoke holes
• Compatible with 20 to 23 or 25 teeth sprocket (Brompton version 20T)
• High-polish alloy finish
• Weight - 1770g Hub only.
• Gear steps of 30%, 14%, 14%,14%, 14%, 14% and 30%
• Rotary gear selector without protrusions outside the frame
• 6061 Aluminium hub shell
• Available with 28 spoke holes
• Compatible with 20 to 23 or 25 teeth sprocket (Brompton version 20T)
• High-polish alloy finish
• Weight - 1770g Hub only.
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%)
• 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%)
Axle Length 175mm (Shorten for Brompton)
Over Locknut Dimension 120mm
R: Axle Protrusion Length 27mm
L: Axle Protrosion Length 28mm
Spoke Holes (D) 28H
Pitch Circle Diameter 89.4mm
Center to Flange
Right 26.1mm
Left 32.4mm
Flange Width 58.5mm
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Special Note
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1. This MOD is not for casual rider, you need to be familiar with bicycle modification or have resource to Local BIKE Shop. Please consult local bikeshop for help. We are glad to provide all info and direct you to installation procedures.
2. This Listing is only for One SA 8 speed IGH and related accessories designated for Brompton frame (you can rebuild your existing wheel with this kit).
3. We suggest to use Chainring below 40T (BCD130 for newer Brompton). Chainring is not included in this listing. You will also need to adjust chain or use new one.
4. Please specify your Brompton Model, different speed tensioner will require different chainline adjustment spacers.
5. Generic factory spec Sturmey Archer X-RF8 (W) Kit can be purchased from our other listing.
6. We also supply whole new wheel set with this IGH built to order.
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