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Stone chainring for THM M3 to 104 BCD adapter spider converter single speed 104bcd narrow and wide tooth MTB crank parts
Product Name: STONE Chainring adapter, narrow wide, THM M3 to 104BCD, single speed
Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.
Material Hardness: HB150
Fit for: THM M3 MTB Crank
Surface treatment: Anodize, high speed CNC