Tevo Little Monster linear rail upgrade parts

These parts are for the conversion of the pulley's on a Tevo Little Monster into linear rails. After the conversion it will become much quieter and way more accurate.
Update: 3/16/2018, added linear rail shuttle with 45mm width
Update: 3/8/2018, Rod spacing update
Note: TLM carriage is 45mm, while M4 slide carriages are 40mm across
You need either to shim the linear rail shuttles to match 45mm width or print your own
Update: 2/5/2018, reinforced endstop belt tab
Update: 1/21/2018,