This driving gear set is suitable for WLtoys K989 Car. It's a replacement for RC fans. Its and performance can bring lots of racing joy. It's and very effective to drive other gears to work normally. Definitely choice for your K989!

Features:
100% new.
Easy to install and replace the old .
Very effective to drive other gears to work normally. 
Specially suitable for WLtoys K989 car.
Very weight and portable to carry.

Specifications:
Brand name:
Item name: Drive Gear set
Material:
Suitable for: K969 K979 K989 K999  Car
Item dimension: 15 * 13 * 5mm
Item weight: 0.2g

Package information:
Package size: 10 * 6 * 1cm / 3.9 * 2.4 * 0.4in
Package weight: 8.1g / 0.28oz
Poly bag package

Package list:
1 * K989 Front Driving Gear
1 * K989 Rear Driving Gear (Long)
1 * K989 Rear Driving Gear (Short)