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Messages - Lewis_Stewell

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Component Deals & Selection / Re: LTWOO RX hydro sets
« on: June 18, 2025, 10:07:59 AM »
Did you use the 12-speed 105 derailleur, or the 11-speed 105 derailleur? I understand that both should work (per your message and the video), but I'm curious about your specific data point since I'm also on L-Twoo RX.
I used the 11-speed 105 derailleur. Goes through all 12 no problem.

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Component Deals & Selection / Re: LTWOO RX hydro sets
« on: June 09, 2025, 02:31:05 PM »
Seems to have been completely missed by the YouTubers (perhaps because no one cares about mechanical any more?) but a mechanical GRT13 groupset was visible in Trace Velo's video from Shanghai Bike Show.
L-Twoo? If so, hopefully it comes with a better RD than the one they send with their 11 and 12-speed stuff.

I finally just up and replaced the RX (12-speed) rear derailleur with 105 and it's a night and day difference. Really weird to have a b-screw that actually does something and springs that aren't made of wet noodles. For anyone on a budget, the 11-speed 105 rear derailleur is $15 less and works perfectly with 12-speed:


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Component Deals & Selection / Re: LTWOO RX hydro sets
« on: April 27, 2025, 07:26:00 PM »
Is there a consensus on which crankset and cassettte work with the RX or ERX?
FWIW I went with the Senicx crankset on my RX and it looks and seems very high quality. https://www.aliexpress.us/item/3256805631093003.html (Unfortunately we're into the tariff/end-of-de-minimis pricing so it's now nearly double what I paid)

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Yes, the B screw pushes against the hanger but for some reason the ring where the B Screw is attached moves independent from the rest of the derailleur. So screwing it in moves only the ring. To my understanding the B screw and the rest of the thing should move together.

Can you take a closer picture so we can see what's going on with the b-screw?

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