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The BOS Deville sees a major overhaul for the new year with a focus on more aggressive riding. It now features 35mm stanchions (up from 34) and is available in longer travel lengths of 150, 160, and 170mm for the 27.5-inch wheel size. As many fork makers are going, it's a Boost axle-only affair. All but one component within the fork is brand new.

Following some knowledge gained through their motocross program, BOS has moved the fork to a closed cartridge damper. The air spring is also entirely new, and allows riders to adjust the negative volume using three different lengths of inserts. By going this route BOS lets riders tune the initial feel and level of mid-stroke support.