Stone 144BCD Round Chainring Narrow Wide Tooth for Fixie Bike

Size: 144 BCD round, 5 arms
Thickness: 4MM

Speed: 9/10/11/12 speed
Fit for: 144 BCD Crank(for track bike and fixed gear)

Surface treatment: Anodize, high speed CNC

Tooth: 44-60T

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Product Name: STONE 144 BCD round Chainring, narrow and wide tooth

Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.

Material Hardness:HB150
CNC process precision:0.03mm

Color: black
Size: 144 BCD
Thickness: 4MM

Speed: 9/10/11/12 speed
Fit for: 144 BCD Crank(for track bike and fixed gear)

Surface treatment: Anodize, high speed CNC

Tooth: 44-60T

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