Reviews & Ratings

The reviewer discusses the LTWOO RX 12 groupset, specifically mentioning the rear derailleur and brake levers from the 12-speed RX groupset. They note that the rear derailleur, originally from the RX groupset, was used as an upgrade on an 11-speed bike, and it worked flawlessly. The brake levers from the RX groupset were also used as a weight-saving replacement, being significantly lighter than the stock aluminium ones.
AI Summary
Pros
- The rear derailleur from the RX groupset worked flawlessly when used on an 11-speed bike, despite being a 12-speed component.
- The brake levers from the RX groupset were a drop-in replacement and offered a significant weight saving (47g each to 20g each).
Key Points
- The rear derailleur from the RX groupset weighs 220g, saving 41g compared to the original 261g derailleur.
- The brake levers from the RX groupset weigh 20g each, saving 54g total compared to the stock 47g each.
- The cable pull ratios of the 12-speed rear derailleur appear to be the same as the 11-speed, allowing compatibility.
Where to Buy

LTWOO RX 12 - Disc 2x12s Road Hydraulic Disc Brake Groupset Carbon Fibre, RX12 6 Kit, Benchmark R7170 R8170


Specifications
Attributes
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