Link to buy:
Model Name: STONE Chainring round for ROTOR30-5mm-offset, new wolf tooth narrow wide tooth
Material: Aerospace Aluminum 7075-T651 from Aleris USA
Color: black, anodized
Speed: 9/10/11/12 Speed
Fit for: for Rotor 30mm Crank REX1 REX2 3DF 3DF+
Compatibale to boost 148 frame
1 x bike Chainring
(Spider tool need buy seperately)
Stone workshop new design wolf tooth narrow wide tooth, enhanced anti chain drop, enhanced self clean from soil dirty and less noise.
1 Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier. Offer best stiffness and endurance.
2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component.