Product Name: STONE Round 104BCD 1X Chainring
Material: Aluminum 7075-T651, from Aleris USA
Color: black anodized
Speed: 9/10/ 11 /12speed,1xspeed Support both Shimano and Sram 12 speed system
Process pricision: 0.03mm
Package Contents: 1 x bike Chainring, 4 bolts
Note: This chainring is not compatible with SRAM Eagle Transmission Flattop Chain.