Various new chain rings for mountain or road bikes. $10 each

4-bolt:
FSA Pro MTB 24 tooth inner, 64 BCD, 10 speed, aluminum, 24t
FSA Pro MTB 32 tooth middle/outer, 104 BCD, 10 speed, ramped & pinned, aluminum, 32t, 2 available
FSA Road 34 tooth inner, 90 BCD, 9/10 speed, steel, 34t
FSA Pro MTB 36 tooth outer, 104 BCD, 10 speed, ramped & pinned, aluminum, 36t, 4 available