https://www.worldwidecyclery.com/products/raceface-22t-turbine-ring-64-bcd-black351655381Race Face Turbine 9-Speed Chainring, 22t x 64mm Black//cdn.shopify.com/s/files/1/0349/7357/products/CR7107_large.jpg?v=1509669284//cdn.shopify.com/s/files/1/0349/7357/products/CR7107_medium.jpg?v=150966928422.94USDInStockChainringAllAll.ChainringChainringsComponentsCranks/BB's/ChainringsDrivetrainRaceFaceTop Sellers
The Turbine Rings are the product of 2 years of engineering and testing on Canada's brutal North Shore trails.
CNC-machined from super-hard AL-7075 to maximize wear resistance and impact strength
Specific architecture for for Race Face, Shimano or Truvativ tabs
More upshift and downshift zones than Race Face Team rings
Three times stiffer than Team rings with greater impact resistance