Cassette Sprocket adapter 1X11 //
Light up your cassette with AEROZINE lasted 44T expander sprocket.
Add much needed range and extend the life of your original 10-42 cassette by replacing the aluminum 42T with the AEROZINE 44T sprocket.
Not just to get an easier ride.
It’s also a new solution to those racers who is looking to maximize their chainring size for timed downhill sections, while still being able to conserve energy on transition stage climbs.
suitable for: SRAM 11 speed XX1 10-42T (PG-1199)
˙Material 7075 Alloy CNC machined.
˙Compatiablity 11 speed
˙Color: Black/ Red/ Gold/ Blue/ Green