10.4x3.6 Foam Filled Front Wheel Assembly with Black Tire for the 4-Wheel Pride Celebrity X (SC4401) & Mega Motion Endeavor X (MM4401DX) (WHLASMB1883) Mongoose Rocket FS If you use these non-threaded

If you use these non-threaded holes

This is no feckless and spindly plastic contraption that would be prone to breaking under pressure and hard use

This Right Rear Leg & Axle Sleeve is compatible with the Drive Medical Adjustable Height Rollator with 6" Casters

Please note that this brake unit is serial number specific

Flat free means worry free

10.4x3.6 Foam Filled Front Wheel Assembly with Black Tire for the 4-Wheel Pride Celebrity X (SC4401) & Mega Motion Endeavor X (MM4401DX) (WHLASMB1883) Mongoose Rocket FS If you use these non-threadedOEM replacement front wheel assembly for the Pride Celebrity X (SC4401) or the Mega Motion Endeavor X (MM4401DX) mobility scooter. This wheel assembly features a black, foam filled tire and includes the wheel bearings. Note: This wheel assembly is only compatible with 4 wheel scooters. If you have a 3 wheel Celebrity X or Endeavor X scooter, you will want the Front Wheel Assembly for the 3 Wheel Pride Celebrity X (SC4001) & Mega Motion Endeavor X.