LTWOO AX 1x12s MTB Shifter and Rear Derailleur Groupset

The LTWOO AX 1X12S groupset is praised for its affordability, performance, and wide gear range, with the reviewer reporting flawless operation after initial setup. It is considered a high-value option for 1x12 drivetrains, suitable for both mountain and gravel bikes.

Pros

Performed phenomenally on the reviewer's mountain bike with no problems after initial adjustment1
Shifter feels good and is made of high-quality plastic1
Shifting actuation is very nice1
Derailleur pairs very well with the shifter1
Very affordable for a 12-speed groupset (less than €80)1
Includes cassette, rear derailleur, shifter, and chain1

Key Facts

12-speed groupset with 11-52T cassette included1
Shifter is mostly plastic but high quality1
Derailleur has ult-long leg design1
Suitable for climbing due to wide gear range1

Sources

1
nikinikAliExpress Gravel Bike Build Components

Reviews & Ratings

nikinik4 videos

15:25

AliExpress Gravel Bike Build Components

The reviewer discusses the LTWOO AX 1X12S Groupset in detail, highlighting their positive experience with it. They mention using it on their mountain bike and plan to use it again for the new gravel bike build. The reviewer praises its performance, noting it has worked flawlessly after a single adjustment. They also appreciate the shifter's quality and the smooth pairing between the derailleur and shifter.

January 08, 2025Watch on YouTube

07:46

Is my AliExpress Gravel Bike Build Trash?

The LTWOO AX 1X12S Groupset 12 Speed Shift Lever Ult-long Leg Rear Derailleur SUNSHINE Cassette 46T 50T 52T VXM Chain 12V for MTB is not mentioned in this video.

March 16, 2025Watch on YouTube

13:16

AliExpress Flatbar Gravel Bike Build

The LTWOO AX 1X12S Groupset 12 Speed Shift Lever Ult-long Leg Rear Derailleur SUNSHINE Cassette 46T 50T 52T VXM Chain 12V for MTB is not mentioned in this video.

January 29, 2025Watch on YouTube

12:13

Is it worth it to build an AliExpress MTB?

The LTWOO MTB AX12 1x12 Speed Bicycle Transmission Groupset SL-AX12 Shifter and RD-AX12 Rear Derailleur 52T Shadow 12S 12V parts is not mentioned in this video.

July 06, 2024Watch on YouTube

Purchase