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Brompton 3 speed Wide Range hub

Brompton 3 speed Wide Range hub click to zoom image
     
Pricing
RRP
£105.00
Usually dispatched in 2-5 days

Description 3 speed Brompton Wide Range hub and internals for 6 speed

The hubs which Brompton supplies are intended EITHER as a source of internals for replacement of those in an existing hubshell OR as a hub to be built into a wheel: to help with the former the internals have been slightly slackened off by Brompton in the factory to facilitate extraction of the new internals from the hub. So if you intend to use such a hub, complete, for building into a wheel, make sure that the internals have been locked back into position, and then that the LH bearing cone & lock-nut(s) have been correctly re-set (not overtight, as the driver must be free to back-pedal easily).
Sturmey hubs & internals, compatibility of old and new.
Although the complete Sturmey BWR hub (wide-ratio, for 6-spd) can obviously be used to build a new wheel, the internals are suitable only for use in a wheel with the BWR shell.
If you are replacing internals from an early Sturmey 3-spd AW hub (using steel shell) with a new STURMEY 3-spd internal (from an alloy hubshell), note that there is less room on the driver of the new hub for the sprocket stack: the new stack consists of just two parts:
1. the flanged nylon chain-guide-disc (which doubles as a dustcap), and
2. a 3mm thick 13T or 14T sprocket,
retained by a circlip as usual. If the original sprocket is only 2.6mm thick, you should replace this with a new sprocket 3.0mm thick, available from Brompton (with a new sprocket it's advisable to fit a new chain too).
When replacing the original internals from an earlier AW hub (steel shell) or replacing a complete hub, the new axle is slightly longer at the RH end: so you should fit
1. the new gear-indicator chain (with two marks) instead of the original, and
2. the new chain-tensioner-nut instead of the original.

Part Number: 9010202
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.
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