The 806 is available in the XS size, and all sizes have more compact geometry than the 801 or 805. That means slightly less length for more comfortable reach suiting riders with shorter proportions.The 806 uses the brand new Deore M6000 Shimano groupset This 1 by 10 set up uses the latest Shadow Plus clutch rear derailleur combined with a Whyte 2pcs chainset with narrow-wide chain ring for perfect chain control.WTB STP i25 TCS System rims with Maxxis TR front and rear specific tyres combine to make a Tubeless Ready package, with enough grip to fully exploit the 800 series trail geometry.Shimano Deore M6000 1 by 10 drive-train / Compact geometry and sizing down to XS for smaller riders / Adjustable air-sprung RockShox Judy TK suspension fork