Features:

-Lightweight: Carbon fiber rear derailleur Puuleys is ultra-light, weighing only 83g/0.18lb
-Reduce friction: save 60% of friction resistance than 11T
-Smooth: The ceramic bearing is smooth, which can save more than 2.4 watts
-Durable: full carbon fiber frame + ceramic bearing + 7075 aluminum guide wheel (CNC)

-TW-105 Suitable for Shimano R7000 (Can work with 34T cassette)

-TW-XL Suitable for Shimano R8000/R8050/R8070/R9170/R9150/R9100 (can work with 34T cassette)

-TW-XL-2 Suitable for Shimano R6700 R6770 R6800 R6870 R9000 R9070 (can work with 34T cassette, if you use the 36T cassette, you need to change the upper guide wheel to 13T)

-TW-XL-3 Suitable for SRAM RED10S RED11S RIVAL10S RIVAL11S FORCE10S FORCE11S

 (can work with 36T cassette)

-TW-XL-4 Suitable for Shimano R4600 R4700 R5700 R5800

 (can work with 34T cassette, if you use the 36T cassette, you need to change the upper guide wheel to 13T)

Note: Due to the different lighting and screen settings, the color of this item may be slightly different from the picture.