Brompton 5 speed IGH upgrade kit S-RF5 (W) 28H (Sturmey Archer)

SKU COSAB00108
£95.00
In stock
1
Product Details

Sturmey Archer S-RF5 (W) Internal gear hub 5 speed

Ideal for Brompton upgrade, including all accessories required

(5 speed thumb shifter... please refer to photos)


  • Sprocket can be 13T or 18T

  • (please specify or will ship randomly)

    • Axle Diameter - 13/32” Slotted
    • Over Locknut Dimension - 28h = 111mm
    • Axle Length - 148mm
    • Hub Shell Material - 6061 Aluminum

    Gear Ratio
    • Overall Range - 256%
    • Gear 1 - 62.5% (-)37.5%
    • Gear 2 - 75% (-)25% (Gear 1 + 20%)
    • Gear 3 - 100% Direct Drive (Gear 2 + 33%)
    • Gear 4 - 133.3% (+)33.3% (Gear 3 + 33%)
    • Gear 5 - 160% (+)60% (Gear 4 + 20%)

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