Stone Chainring 30mm axis for REX1.1 REX2.1 3df 3df+ Round 30T 32T 34 36 38T Chainwheel Bicycle tooth Plate for rotor direct mount

Stone Chainring 30mm axis for REX1 REX2 3df 3df+ Round 30T 32T 34 36 38T Chainwheel Bicycle tooth Plate for rotor

Model Name: STONE Chainring round for ROTOR30-5mm-offset, new wolf tooth narrow wide tooth

Material: Aerospace Aluminum 7075-T651 from Aleris USA
Offset:5 mm
Color: black, anodized

Speed: 9/10/11/12 Speed
Thickness:9MM
Hardness: HB150
Fit for: for Rotor 30 Crank REX1.1 REX2.1 3DF 3DF+

Chainline: 52mm

Compatibale to boost 148 frame

Package Contents:
1 x bike Chainring
(Spider tool need buy seperately)

30T 58g,
34T 70g,
38T 82g

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, 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.