You might be right - I've never tried.
Aaand... Sheldon Has The Answer:
Note! Chain tensioners *cannot* be used with fixed-gear or coaster brake
> systems!
> They don't maintain tension when there is backward force applied to the
> pedals, and the chain can derail as a result.
Sorry for the misinformation, it looks like the Automatic can't be chain
tensioned. A half link or magic gear could work, though. I think an
Eccentric version would be the bee's knees...
Philip
www.biketinker.com
On Monday, August 18, 2014 1:18:03 PM UTC-7, Peter M wrote:
>
> I thought you couldn't use a coaster brake with a tensioner, am I just way
> off today?
>
>
> On Mon, Aug 18, 2014 at 4:15 PM, Philip Williamson <philip.w...@gmail.com
> <javascript:>> wrote:
>
>> Hey Patrick,
>>
>> The Sachs Automatic doesn't need a tensioner, but one should work fine if
>> you have vertical drops.
>> It has a reaction arm for the coaster brake, with a rubber-padded P clamp
>> ("Adele clip") to protect the frame.
>> The axle seems plenty long enough to add 3mm on each side to take it to
>> 126mm.
>>
>> Philip
>>
>>
>> On Monday, August 18, 2014 10:23:54 AM UTC-7, Patrick Shea wrote:
>>
>>> Sorry about that! Big fingers, small type. I'm curious about the
>>> 2-speed. Chain tensioner needed? Can the OLD be upped to 126? Thanks again
>>> for doing the patches/shirts.
>>>
>>> Cheers,
>>> Patrick
>>>
>>>
>>> On Monday, August 18, 2014, Philip Williamson <philip.w...@gmail.com>
>>> wrote:
>>>
>>>> S3X and dynamo are sold. Here's what's left.
>>>>
>>>> REAR WHEELS:
>>>>
>>>> 700c silver XT - $120
>>>> 135mm OLD. Dull silver hub, silver Salsa Delgado rim.
>>>>
>>>> 700c Fichtel & Sachs Automatic 2 speed IGH - $140
>>>> "Blue 'band.'" Like a two speed kickback hub, but you don't have to
>>>> kick back.
>>>> 120mm OLD. Silver Sun CR18. Used on the Quickbeam. Fun and cool.
>>>>
>>>> 26" White Industries Eccentric ENO hub - $120
>>>> 135mm OLD, 32h black hub, threaded on both sides; black spokes, black
>>>> Bontrager Maverick rim.
>>>>
>>>> 700c silver Kogswell fixed hub, black CR18 - $100
>>>> 120mm OLD.
>>>>
>>>>
>>>> FRONT WHEELS:
>>>>
>>>> 700c WTB Grease Guard hub, black CR18 rim silver spokes - $60
>>>> Matches Kogswell rear. Cheaper together.
>>>>
>>>> 700c Suntour XC Comp - $60
>>>> Silver. True. Old.
>>>>
>>>> 26" American Classic disc hub, tubeless - $80
>>>> Black Stan's ZTR 355 rim, black hub. Light.
>>>>
>>>> On Sunday, August 17, 2014 12:05:00 AM UTC-7, Philip Williamson wrote:
>>>>>
>>>>> I pulled my extra wheels out of the shed, and my back yard looks like
>>>>> a swap meet. I'm trying to save up for a geared road frame, like a Black
>>>>> Mountain or similar.
>>>>> Local pickup in the SF Bay Area (I'm in Santa Rosa / Petaluma), or
>>>>> plus actual shipping anywhere in the continental US.
>>>>>
>>>>> REAR WHEELS:
>>>>>
>>>>> 700c silver XT - $120
>>>>> 135mm OLD, silver Salsa Delgado rim.
>>>>> Unused. Bought on the list, turns out I don't need it.
>>>>>
>>>>> 700c Sturmey Archer S3X - $140
>>>>> 3-speed fixed gear internal gear hub. Hub is fixed, but also threaded
>>>>> for a freewheel.
>>>>> 120mm OLD. Red hub. Black IRO (Velocity) Cold Fusion rim.
>>>>> Used, but not a lot. Includes two thumb shifters. Cog and lockring
>>>>> included.
>>>>>
>>>>> 700c Fichtel & Sachs Automatic 2 speed IGH - $140
>>>>> Like a two speed kickback hub, but you don't have to kick back. New
>>>>> driving ring.
>>>>> Currently doesn't shift, but I can reset the spring if you're
>>>>> interested.
>>>>> 120mm OLD, silver Sun CR18. Used on the Quickbeam. Fun and cool.
>>>>>
>>>>> 26" White Industries Eccentric ENO hub - $120
>>>>> 135mm OLD, 32h black hub, threaded on both sides; black spokes, black
>>>>> Bontrager Maverick rim.
>>>>> Got it on the list, but if I keep it I'll build a bike around it.
>>>>>
>>>>> 700c Kogswell fixed hub, black CR18 - $100
>>>>> 120mm OLD, off-road rated, but only appropriate for fixed gears, not
>>>>> singlespeed, if I recall correctly.
>>>>> Built it, hardly rode it, never off-road, no rear brake.
>>>>>
>>>>>
>>>>> FRONT WHEELS:
>>>>>
>>>>> 700c Black Alfine dynamo wheel - $140
>>>>> Includes E3 light and extra bulb.
>>>>> Matches S3X. Cheaper together.
>>>>>
>>>>> 700c WTB Grease Guard hub, black CR18 rim silver spokes - $60
>>>>> Matches Kogswell rear. Cheaper together.
>>>>>
>>>>> 700c Suntour XC Comp - $60
>>>>> Silver. True.
>>>>>
>>>>> 26" American Classic disc hub, tubeless - $80
>>>>> Black Stan's ZTR 355 rim, black hub. Light.
>>>>> Doesn't match the ENO rear, but would make a great "mullet" setup,
>>>>> fixed rear, disc front.
>>>>>
>>>>> Make an offer if the asking price is out of line. Cheaper for
>>>>> multiples.
>>>>> These all have rim tape. Tires, cogs, and QR skewers are
>>>>> optional/negotiable includes.
>>>>>
>>>>> Next up: Handlebars. Cranks. Hubs. Rims. Freewheels.
>>>>>
>>>>> Philip
>>>>> www.biketinker.com
>>>>>
>>>>>
>>>>> --
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