The Ritchey Scuzzy Logic Pro threadless headset is constructed of aluminum and uses replaceable cartridge bearings. Scuzzy Logic uses replaceable cartridge bearings Steerer Tube 118black 1silver Headset Type 118 Standard Cupsblack 1silver Color Black or Silver Crown Race 30.0black 26.4silver Stack Height 27 mm Bearing Type Cartridge Material Al Weight 107gblack 103gsilver
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