STONE spider for Rotor 30mm spindle to 110bcd road bike gravel R7000 R8000 R9100 5800 6800 R7100 R8100 R9200 3D 3D+ 3DF
Material: Aerospace Aluminum 7075-T651
Color: black, anodized
Hardness: HB150
Fit for: for Rotor 30mm Crank REX1 REX2 3D 3DF 3DF+
Thickness: 13mm
Chainline: same chainline to the orignal Rotor size
Convert to 110bcd road bike chainring, 1x chainring and 2x chainring both works.
110bcd 4 arms, 5 arms chainring.
4 arms such as:
Dura-Ace R9100, Ultegra R8000, 105 R7000, 9000, Tiagra 4700, FC 5800 6800,
R7100 R8100 R9200 Dura-Ace Ultegra 105
Weight: 40g
Features:
Stone workshop new design wolf tooth narrow wide tooth, enhanced anti chain drop, enhanced self clean from soil dirty and less noise.
Advantages:
1 Material: High strength Aluminum 7075-T651. Offer best stiffness and endurance.
2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component.
