AT120XB 20T Timing Pulley

AT120XB 20T Timing Pulley Gear for A800/X/Evo.
Direct replacement for AT120.

contains: 1x AT120X , 1x B106RS , 1x B84RS

INFO: AT120XB have pressed bearings for reducing free play of the pulley.
We don't recommend to disassembled these bearings without special tool.