A13 Groupset is the flagship MTB drivetrain system of LTWOO. Market-leading 13 speed provide a super wide gearing range. A13 is born for the tough MTB races.
A13 Shifter offers an accurate and smooth shifting experience. A13 Rear Derailleur is light and stable with its shadow design and carbon-fiber cage.
A12 Groupset is the second-tier MTB groupset. It has 1x12 speed, high accuracy and fast gear shifting. it's suitable for races. A12 shares the same technology with A13 which has carbon-fiber cage.
A11 Groupset is an excellent MTB groupset. It has 1x11 speed, shares the same shifting experience with the A13. A11 is compatible with 52T cassette. it's made for the steep hill.