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sturmey archer AW hub- cone adjustment

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sturmey archer AW hub- cone adjustment

Old 08-05-10, 05:15 PM
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sturmey archer AW hub- cone adjustment

Hey guys I need some help. I tried searching in the old threads but didnít find much info, and even looking at sheldons site. I know Sheldon knows all, but sometimes he makes my head hurt from too much info. Donít know maybe its my short attention span.

I have a sturmey archer AW hub and need to adjust the cones, when I went to put the wheel on the bike it tightened the cones to the point it wont spin.

How do I go about adjusting them?

Is it like any other wheel? Or this there any information I should know before attempting this?


Thanx

- James Jay
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Old 08-05-10, 07:04 PM
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I think I did learn something from Sheldon on this point-- and I think one of the two cones is meant to be adjusted. the one on the sprocket side you should leave alone. Every time my 3 speed goes in the shop, they always tighten my hub cone too much, and it drives me crazy!

At any rate, you should tighten the cone until there is still just a touch of play with the wheel-- I find that this is actually barely finger tight. If I go after it with a wrench, it comes out too tight and my pedals spin when I walk the bike.

Here are the exact words of Sheldon:
found here: https://www.sheldonbrown.com/sturmey-...coneadjustment
Cone adjustment

one adjustments must only be made on the left side of the hub -- but first make sure the right cone is properly in place. On most hubs, before installing the left cone, or with it loose, screw down the right cone until the internal mechanism begins to bind. Then back the right cone off between 1/8 and 5/8 turn, so the mechanism turns freely, and secure the cone with its locknut.This procedure positions the mechanism inside the hub shell. Older hubs use a special tabbed washer between the cone and locknut. Newer hubs with rotary shifting have a more complicated right-side assembly -- follow the instructions specific to each hub.
Cones (for many
S-A hubs)
Tab washer
for right cone
Once you have finished with the right cone, you are ready to adjust the left cone.
A properly-adjusted wheel will have very slight play at the rim. If the left cone adjustment is too tight, the pedals will tend to turn forward as the wheel turns. (This same symptom may result if the chain is too tight, or if the right cone has pulled the internal mechanism to the right so it is binding.) A very sensitive test of bearing adjustment with many Sturmey-Archer hubs is to try to tilt the sprocket, rocking it relative to the hub shell. When there is very slight play at the sprocket, there will be no discernible play at the rim, yet the wheel will still turn freely. Precise cone adjustment is especially important for clean shifting when using hybrid gearing.
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