Whitz Racing - Yokomo YZ-4 SF2 - HyperGlide Ceramic Bearings - Full Kit HPI115967 Put two or three air

Put two or three air holes in the wheels or tires to allow the tire to flex properly

plus TRF419 and TRF419X chassis

each with a color-code marking to aid swift identification

- Adjustable frame rail mounting

-Gyro menu

Whitz Racing - Yokomo YZ-4 SF2 - HyperGlide Ceramic Bearings - Full Kit HPI115967 Put two or three airHigh Performance Hybrid Ceramic Bearings Whitz Racing recommends every few track days to check for any necessary maintenance needs. If the bearings feel gritty or have reduced roll, remove bearings and clean with a citrus based degreaser & lightly oil with a premium high temperature lube oil like their TDK Bearing Oil. Car brake parts cleaner will ruin your bearings and is NOT recommended. Compatibility: Yokomo YZ 4 SF2 *Whitz "Full Kits" DO NOT