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139136-Q1-L21B03
UPC: 072774510054
Precision made for consistent function and long life
GS9005 CK5830
full complement angular contact bearing with Grade 10 ball design including rubber dual lip labyrinth seals
DT-Swiss 240 EXP 6B-Disc Rear Hub, 28h, 12x148mm, Microspline HG+, 54t Guards & Bashrings 139136-Q1-L21B03Ratchet EXP (36t) features a fused threaded ring ratchet and single spring, reducing the number of components for a lighter and more durable freehub system Integration of drive side bearing into threaded ring widens bearing stance, resulting in 15% greater hub stiffness With DT's ratchet system, all of the teeth on each side of the ratchets engage simultaneously every time. This creates much smaller point loads and results in the legendary reliability
