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Sturmey Archer Ball Cage Assembly

Sturmey Archer Ball Cage Assembly

Discontinued by Sturmey Archer in 2026!

Sturmey Archer Ball Cage Assembly

This ball cage assembly is used in the following Sturmey Archer hubs (and probably more):

  • Brompton Sturmey Archer BWR (wide ratio) 3/6 speed hub

The BWR hub is used on 6 speed Brompton folding bikes

  • Brompton Sturmey Archer BSR (standard ratio) 3 speed hub

The BSR hub is used on 3 speed Brompton folding bikes

Bearing specification: 14 bearings in a race - 3/16 inch size

Sturmey Archer ref: HSA438

Made in Taiwan