The system consists of Top 16t & Bottom 17t aluminum alloy pulley wheels fitted with low friction ceramic bearings and a lightweight cage.
Carbon fiber cage and 7075 aluminum alloy pulley wheels provide higher stability and strength while reducing weight. The entire system weighs only 81g.
Due to the extremely low friction of all ceramic non-resistance bearings, the system greatly optimizes the overall efficiency of the drive system.
The system consists of Top 16t & Bottom 17t aluminum alloy pulley wheels fitted with low friction ceramic bearings and a lightweight cage.
Note: This model is LT-5800, suitable for Shimano 5800 5700 4700 4600.