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From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: GRX front derailleur.
Date: Sun, 16 Feb 2025 12:21:48 -0600
Organization: Yellow Jersey, Ltd.
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On 2/16/2025 11:16 AM, Roger Merriman wrote:
> AMuzi <am@yellowjersey.org> wrote:
>> On 2/16/2025 5:07 AM, Roger Merriman wrote:
>>> cyclintom <cyclintom@yahoo.com> wrote:
>>>> On Fri Feb 14 21:55:41 2025 Roger Merriman  wrote:
>>>>> cyclintom <cyclintom@yahoo.com> wrote:
>>>>>> Holding on to the cable you car feel the left lever pullind and releasing
>>>>>> due to lever settings. but it doesn't appear to be moving the front derailleur.
>>>>>>
>>>>>> Any suggestions?
>>>>>>
>>>>> Somewhat confused to be honest, is the shifter moving the cable? But the
>>>>> Derailleur isn?t moving?
>>>>>
>>>>> As side note GRX is compatible with lots of other group-sets I have
>>>>> GRX/Tiagra/Sora mix on the Gravel bike.
>>>>
>>>>
>>>>
>>>>
>>>> I got it working. The connection through the reel is pretty tricky. You
>>>> have to hold it in p;lace and then shift up a gear to lock in place. Same
>>>> on the other side. Then you pull the wire tight at the other end and
>>>> shift down and take out the slack. Then shift bach and take out the slack
>>>> again. These disk brake bikes are heavy, The complete build on this
>>>> superlight frame is still 20 lbs at the end.
>>>>
>>>>
>>>>
>>> GRX 10s is around the Tiagra groupset area ie middle range and light weight
>>> isn’t perhaps its first priority the rear mech’s have a clutch, if your
>>> riding on road can flick the switch to get lighter shifts.
>>>
>>> With road bikes going for wider tyres, and aero bits and bobs, and
>>> electronic gear weights have crept up, this said the uk hill climb bikes do
>>> see bikes around the 6KG mark disks or not, do occasionally see bikes
>>> getting sub 5KG but thats more folks having fun with weird and expensive
>>> one of bits of kits than a bike that is race fit!
>>>
>>> Roger Merriman
>>>
>>
>> Always been that way.  Beryl Burton showed up at time trials
>> (and won more often than not for 25 years) with some scary
>> light machines 60 years ago.
>>
> Certainly now and has been for while weight hasn’t been TTer Focus but aero
> hence silly hats and what not! The hill climbs absolutely go for it weight
> or lack of it though with some spectacular if perhaps not particularly
> functional machines!
> 
> Perhaps bikes at the time were heavy enough to make a difference?
> 
> Roger Merriman
> 
Using much of the Beryl Burton equipment, here's an example 
from when road racing bikes were 21lb.

http://www.yellowjersey.org/am19.html

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971