Stone 0mm offset Round Chainring for Sram GXP Direct Mount
- Material: Aluminum 7075T651
- Color: anodize black / red
- Speed: 9/10/11/12 Speed
- Fit for Sram X9 X0 XX1 X1( BB30 Crank) X!-1400 GX-1400 S-2210 S1400
- Thickness: 4MM
- Hardness: HB150
- Processing precision: 0.03mm
- Chainline: 49mm