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From: zen cycle <funkmasterxx@hotmail.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Campagnolo 1x13 wireless finally
Date: Mon, 12 May 2025 06:53:07 -0400
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On 5/9/2025 10:10 AM, AMuzi wrote:
> On 5/9/2025 6:11 AM, zen cycle wrote:
>> On 5/9/2025 4:30 AM, Roger Merriman wrote:
>>> Catrike Ryder <Soloman@old.bikers.org> wrote:
>>>> On Thu, 8 May 2025 17:12:50 -0500, AMuzi <am@yellowjersey.org> wrote:
>>>>
>>>>> https://bikerumor.com/spy-shots-campagnolo-super- record-13-sp- 
>>>>> wireless-prototype-raced-on-the-worldtour/
>>>>
>>>> I wonder if there's some difficulty in getting the shift right on
>>>> these 11/12/13 cog cassettes that's making the wireless shifters
>>>> popular. Are they more precise?
>>>>
>>>> -- 
>>>> C'est bon
>>>> Soloman
>>>>
>>>
>>> Don’t believe so no is mechanical 11/12 speed stuff certainly. Is more
>>> narrow but no mechanical aka cable can and does work fine to the best 
>>> of my
>>> knowledge.
>>>
>>> Wireless does do away with electronic cables and the routing of those.
>>>
>>> Roger Merriman
>>>
>>
>> The motor/electronic controls are significantly more accurate and 
>> repeatable than a cable system. It's not so much of an issue with ten 
>> speed and fewer since you have more tolerance (aka'slop') in the 
>> system, but as the tolerances grow tighter the simple psychical 
>> changes in the system as it wears would mean more frequent 
>> adjustments. Enough wear in the system can result in mechanical 
>> hysteresis which would make accurate shifting all but impossible.
>>
>> Electronic shifting (wired or not) removes the biggest variable in 
>> shifting accuracy and repeatability - cable wear. Also, electronic 
>> systems can use feedback to fine tune derailleur positioning to 
>> compensate for any mechanical wear in the derailleur and chain.
>>
>> Theoretically, electronic controls are vastly superior to a manual 
>> control system. However, many people are of the opinion that it's just 
>> something else to go wrong (and for the most part, inherently 
>> unrepairable). They aren't wrong.
> 
> Much agreed.  Add in complex failure prone cable routing on several 
> modern design frames (not only rear suspension).
> 
> And yes again that removing cable troubles doesn't mean removing control 
> troubles altogether!
> 
> IMHO electronic shift advantages are not specific to 11-12-13 systems in 
> that I have a few customers running those with friction shifters without 
> complaint.  But electronic shifting is indeed much more precise and 
> repeatable for any derailleur system.
> 

There is an inherent yet unspoken advantage to friction shifters - they 
can be 'trimmed' to accurately alight the gear selection....not so easy 
with an indexed system.