Major advantages of upgrading to this part/product：
(1) Made of 40Cr Carbon Steel, stronger than the original gear, wear-resistance and better transmission.
(2) The upgraded 40Cr Carbon steel Spur Gear 33T M1.5 and large gear shaft, bearing, and aluminum 7075 fixed mount bring out three-point support, which is better than the original two-point support in stability and transmission effect.
(3) Motor tooth diameter: 5mm, D-shaped motor gear hole, module: 1.5mm, number of teeth: 12T, tooth surface width: 9mm
(4) Spur Gear 33T diameter: 6mm, D-shaped motor gear hole, module: 1.5mm, number of teeth: 33T, tooth surface width: 14mm, Outer diameter: 52.4mm

Package includes：
Motor gear 12T-1pcs
4x5 Screw shaft-1pcs
Spur gear 33T M1.5-1pcs
Cush drive input shaft-1pcs
Bearing 6x13x5-1pcs
Shim 6x8x3.5-1pcs
Shim 6x8x7.5-1pcs
Set Screws 5x5-1pcs
Aluminum 7075 mount-1pcs

Suitable Model：
TRAXXAS-1/5 4WD X-MAXX 6S
TRAXXAS-1/5 4WD X-MAXX 8S MONSTER TRUCK
TRAXXAS-1/6 4WD XRT 8S-78086