Spank Rear Hub Hex Boost 148 x 12 mm Shimano HG, 102T, 32H Adult Unisex, Black

New ultra-high-end and responsive HEX DRIVE system with 6 3-step ratchets with 102 3.5° engagement points. Almost instantaneous encleaching for the best market responsiveness and no downtime.
High quality CNC construction with Radial Compliance reinforced cheeks allowing the same tension on both sides for more rigid shelving and less strain.
Japan 2RS Premium Ring Bearings Enriched with Waterproof Teflonated Grease
Reinforced freewheel body with Bite-Block system
Unique water and dust contimation prevention system
335.0 grams