These aluminum rings are meant for use with SRAM 11 speed systems. The 39 tooth ring has a BCD of 130mm, the 34 and 36 tooth rings have a BCD of 110mm.
Specifications
Bolt Pattern
5-Bolt
Chain Compatibility
Shimano/SRAM 11
Chainring BCD
110mm, 130mm
Chainring Position
Inner
Color
Black
Intended Use
Road
Material
Aluminum
Position
Inner
Speed
11
Tooth Count
34t, 36t, 39t
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