Razor MX350 (V23+) Rear Wheel Assembly - OEM Factory Original 12.5 x 2.75 Complete MX350 (V23+) and MX400 (V19+) Rear Wheel Replacement - Razor MX350 Parts - Part W15128040188 - by Precision Auto RAZOR FACTORY ORIGINAL: MX350 Rear Wheel Assembly with 12-1/2 x 2.75 Knobby Tire. Razor Complete 12" Rear Wheel for MX350 (Version 23 +) and MX400 (Version 19+) - Razor Replacement Part # W15128040188. OEM RAZOR REAR WHEEL ASSEMBLY INCLUDES: 12" Rim, 12.5 x 2.75 Knobby Tire, 12.5 x 2.75 Tube, 90mm Band Brake, 80T Sprocket, Axle, Axle Spacers, Bearings, and Nuts Included. Use with #25 Chain. COMPATIBLE WITH: Razor MX350 Dirt Rocket (Versions 23+), Razor MX400 (Versions 19+). PREMIUM PRODUCTS is the ONLY Authorized Amazon Seller of Precision Auto MX350 Wheels. FAST DELIVERY, EASY INSTALLATION - SATISFACTION GUARANTEED!