Shimano DEORE XT FreeHub-12X148MM-FH-M8210-B
DEORE XT REAR FREEHUB 148X12 MM E-THRU MICRO SPLINE 12s FH-M8210-B The DEORE XT FH-M8210-B rear hub offers improved reliability and performance through improved seal design and steel cartridge bearings with pre-load adjust, creating an easily serviceable and smooth-rolling rear hub. Lighter weight with improved engagement (max 3.5 degrees), FH-M8210-B is available in 12x148 boost spacing and traditional 28H/32H drilled options. FEATURE Quicker Engagement/less drag: A 3.5-degree engagement angle makes the FH-M8210-B fast off the line, while smart seal design and smooth bearings mean less drag when coasting. FEATURE Conventional Drilling/Boost Spacing: Available in conventional 148x12 boost spacing and traditional 28H and 32H drilling options. FEATURE Cartridge Bearings: DEORE XT hubs are now available with easily serviceable cartridge bearings. FEATURE Rotation: Cartridge bearings, optimized seal designs, and preload adjust keep the FH-M8210-B consistently smooth-rolling and easy to maintain.