Stone Chainring Adapter Spider 5mm Offset for Rotor 30mm To 104 BCD

Rotor 30mm spider to 104BCD

5mm offset

Link to Buy:

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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