New In Box Without Disc Rotor LockRing The FH-M9210-B features an improved seal design and stainless-steel cartridge bearings with adjustable preload, delivering higher reliability and performance while staying easy to maintain and smooth-rolling. Its lighter weight and 3.5° quick engagement provide responsive power transfer. Available in 12x148 Boost spacing with traditional 28H or 32H drilling options. Features Quick Engagement & Low Drag: 3.5° engagement for instant response; smart seals and smooth bearings reduce rolling resistance. .
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