For a triple chainset
Middle chainring
Aluminium 7075
9 and 10 speed compatible
Anodised silver
Bolt circle diameter (BCD) : 130mm
Weight : 39/47g, 42/58g
Bolt Circle Diameter : 130 mm
Brand Compatibility : Standard
Chainring type : Intermediate
Chainset type : Triple
Speed : 9, 10
Teeth : 39, 40, 42