Rotor 30mm spider to 104BCD
5mm offset
STONE Chainring adapter, narrow wide, Rotor 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
Color: black
Thickness: 6MM
Offset: 5mm
Fit for: Rotor 30mm axis before 2018, single speed
24mm axis can not use. 2018 can not use.
Surface treatment: Anodize, high speed CNC
Package content:
1*chainring, 4* bolts
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