The Yokomo YZ-821-2 front wheels allow owners to swap out the older 1.9-inch wheel fitment on the YZ-870C and fit modern 2.2-inch tyres. This upgrade helps you access up-to-date tyre designs for better track performance.
Upgrading to the YZ-821-2 gives a larger contact patch and access to a wider range of tyre compounds, useful for different track surfaces from loose soil to indoor carpet. The wheel keeps the original hub geometry while increasing tyre diameter.
Expect to revisit your gear ratio after changing tyre diameter and consider a smaller pinion to maintain speed characteristics. The wheels arrive without air vents so you can drill or ream holes to suit tyre seating and ventilation preferences.
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