SRAM 50T x 130mm BCD Triple Alloy Ring Black. Original equipment on SRAM and Truvativ cranks they also work well with other drive trains.7000 series aluminum provides strength and durability TECH SPECS Color Black Ring Position/Type Outer Tooth Count 50 Dr
SRAM 50T x 130mm BCD Triple Alloy Ring Black. Original equipment on SRAM and Truvativ cranks they also work well with other drive trains.
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