Compatible with BCD 130mm 5 arm chainring, fit for 5 arms cranks, also fit for folding bike
Fit for most 5 arms chainring in market
Support 9/10/11 Speed
BCD: 130mm
Material: AL7075-T6
Weight: 82g (50T), 97g (52T), 102g (54T), 102g (56T), 104g (58T)
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