The conversion kit now comes with all the new upgrades including the 4 gear transmission which is $164.99 from Xfactory
or £130 from lesro models
K015 4-Gear Upgrade Kit.
Contains everything needed to convert your X – 6 to the new 4-Gear Transmission.
Transmission Case; Motor Plate; Extra AE idler gear, shaft, bearings; Hardware; Template to drill two new holes in your existing chassis for the motor plate support bracket.
$48.99
K016 X – 6 Upgrade Kit
Contains everything in the Kit above, PLUS the new rear bulkhead and C.F. tower.
$68.99
K017 New Math Total Upgrade Kit
Your Best Value! Contains everything in both Kits above PLUS a new chassis, pre-drilled for the 4-Gear. Also, new chassis has more material removed in the servo area.
$99.99