This is the replacement idler gear for the Traxxas Hawk 2, Blue Eagle LS and Blue Eagle LSII. This is the black nylon "middle gear" inside the gearbox. PACKAGE INCLUDES: One 30 tooth idler gear COMMENTS: This package does not include the 5x11 bearings (2) that are installed in this gear. They are available in DTXC1547. Also fits Nitro Hawk. . 1-25-94/eke also for the Rustler, Stampede & Rad2 UD 9/28/95 btm