Alienation 9s Quarters 7/8` 29` 9.25` 2° 11° Black BMX 4130 CrMo 700x25C CNC-machined from premium 7075 aluminum

CNC-machined from premium 7075 aluminum in Colorado these chainrings are designed to keep your 9 10 11 and Hyperglide+ 12-speed drivetrains running smooth quiet and reliable on any terrain (NOT compatible with T-Type chains)

Flattened center section provides an additional ergonomic hand position

Drivetrain Speeds 12 Color Silver keyword search masterlink Reusable No

The tread gives more grip and the height of the lugs is particularly tailored to front-wheel use

Alienation 9s Quarters 7/8` 29` 9.25` 2° 11° Black BMX 4130 CrMo 700x25C CNC-machined from premium 7075 aluminum2 piece heat treated 4130 chromoly. 100 percent heat treated after welding for superior strength. 3 wall thicknesses for unparallelled rigidity. 11 butted technology. Tig welder construction. 19mm Crossbar TECH SPECS Vendor Alienation Manufacture Number Model Name 9s Quarters Category Handlebars