Razor MX350 Disc Brake Adapter. This adapter allows you to easily add disc brakes to your MX350. Set to a 140mm disc. Allows you to upgrade to any size disc you perfer.
(160mm disc compatable with Razor MX350 hub)
https://www.amazon.com/gp/aw/d/B098D19454/ref=ox_sc_saved_image_6?smid=A24H73QW6N8RE&psc=1
Razor MX350 Disc Brake Adapter
$30.00Price
Razor MX350 Disc Brake Adapter. This adapter allows you to easily add disc brakes to your MX350. Set to a 140mm disc. Allows you to upgrade to any size disc you perfer.
(160mm disc compatable with Razor MX350 hub)
https://www.amazon.com/gp/aw/d/B098D19454/ref=ox_sc_saved_image_6?smid=A24H73QW6N8RE&psc=1