Natural Rocker (NR) frames use four larger wheels on a three-position rocker, to allow preservation of speed (better glide) and enhanced shock absorption (smoother roll) compared to smaller wheels. The Natural Rocker frames is available in three different sizes, the NR90, the NR100, and the NR110 to best fit your skating style or boot size. Details: NR90: Natural Rocker GeometryDesigned for 4 x 90mm wheels91mm effective contact (underfoot)273mm wheel base NR95: Natural Rocker GeometryDesigned for 4 x 95mm wheels96mm effective contact (underfoot)288mm wheel base NR100: Natural Rocker GeometryDesigned for 4 x 100mm wheels101mm effective contact (underfoot)303mm wheel base NR105: Natural Rocker GeometryDesigned for 4 x 105mm wheels106mm effective contact (underfoot)318mm wheel base NR110: Natural Rocker GeometryDesigned for 4 x 110mm wheels111mm effective contact (underfoot)333mm wheel base Complete Frame Option Includes:- A Pair of Wizard NR Frames- 8 Wizard Natural Rocker Wheels 86a- 16 Sonic Swiss Bearings pressed in wheels with spacers *NR95 and NR105 complete frames currently come with 90mm and 100mm wheels, respectively. 95mm and 105mm wheels will be available late 2025. Wizard frames are designed specifically for UFS-style boots (flat base) to offer the lowest ride height, and optimal control of larger wheels and longer frames.