I suspect the bar end shifter is more like the thumbshifter design in that 
the ratchet and all related parts are notable larger than on the Sprint DT 
version. I like the idea of 3d imaging and machining of parts, if/when 
possible ! 

On Wednesday, September 20, 2023 at 4:00:25 PM UTC-4 eric...@gmail.com 

> Thanks, Michael. IIRC the Silver 1s are copied from the Suntour Sprint 
> downtube levers. From this diagram it looks like the design of the Silver 
> levers is very similar. But the depiction of the pawl (No. 3, "Ratchet 
> spring A) looks considerably different than the Silver pawl. It could be 
> that other ratcheting Suntour levers contain the parts I require. 
> The real bear of the Bar Cons is item No. 15, the hexagonal axle nut! 
> There's someone on iBOB who 3D printed some. 
> On Wednesday, September 20, 2023 at 10:34:08 AM UTC-4 Michael Hammer wrote:
>> The mechanism looks almost identical to the Suntour Barcon (of course) so 
>> broken Barcons might be a source of parts.  In addition the stem or 
>> downtube mounted Suntour power ratchet shifters might also have the 
>> spring.  See velobase here: 
>> https://velobase.com/ViewComponent.aspx?ID=39b0c9b8-10d7-4324-8bf4-f65eca2d209a&Enum=104
>> The power ratchets might be found at a bike recycling place.  Here's a 
>> diagram of the barcon:
>> [image: NOS Pair 2 SUNTOUR Bar End Shifters BAR-CON Parts Pods Body 
>> Ratchet Covers Tour - Picture 1 of 8]
>> On Wednesday, September 20, 2023 at 6:17:05 AM UTC-7 eric...@gmail.com 
>> wrote:
>>> Great idea about 3D printing, Peter! I'll reach out to Riv on the off 
>>> chance they can get me the file I need. 
>>> Our local library has a maker space with a 3D scanner and 3D printers, 
>>> so I can go get certified and see if I can make some stuff! It's about a 5 
>>> minute walk for me. 
>>> On Wednesday, September 20, 2023 at 2:37:23 AM UTC-4 Peter Adler wrote:
>>>> Sounds like a task tailor-made for 3D printing. The ideal situation 
>>>> would be if Dia-Compe would send you the 3D file that they almost 
>>>> certainly 
>>>> have, but I'm sure that (rational) liability concerns will prevent this.
>>>> Peter Adler
>>>> no longer professionally engaged in the 
>>>> rich-people-suing-other-rich-people industry, but still aware of the 
>>>> thought processes in
>>>> Berkeley, CA/USA
>>>> On Tuesday, September 19, 2023 at 8:02:06 PM UTC-7 Eric Marth wrote:
>>>> My plan, once I locate some pawls, is to make a Silver shifter repair 
>>>> and maintenance video.

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