SRAM's road chainrings are stamped from 7075 aluminum for low weight and excellent strength. The teeth are ramped for precision shifting, too.

Origin-8's Alloy Blade Chainrings are CNC-machined out of tough, light and durable 6061-T6 aluminum and are compatible with 8- and 9-speed drivetrain components. They have an attractive and corrosion-resistant silver anodized finish.

Origin-8's BMX/SS/Fixie Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with BMX, fixie and track drivetrain components. They have an attractive and corrosion-resistant anodized finish.

Origin-8's BMX/SS/Fixie Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with BMX, fixie and track drivetrain components. They have an attractive and corrosion-resistant anodized finish.

Full Speed Ahead chainrings have powered multiple World, Tour de France, and Olympic champions, and will exceed your expectations. - Chainring can be used with FSA SL-K direct mount outer chainrings - Precision CNC machined AL7075/T6 - Shifting ramps and stainless steel pins on outer rings - Compatible with Modular crankset (Gossamer/Energy / SL-K / K-FORCE) - Laser-etched logo - Material: Aluminum - Ring Position/Type: Inner - Drivetrain Speeds: 11 - Chainring BCD: 90mm

• Replacement for one-piece crank • Steel

Origin-8's Alloy Blade Chainrings are CNC-machined out of tough, light and durable 6061-T6 aluminum and are compatible with 8- and 9-speed drivetrain components. They have an attractive and corrosion-resistant silver anodized finish.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - Fits many older Shimano pre-Hollowtech II cranksets with Octalink V2 or square spindle bottom brackets - Middle chainrings from Octalink (Hollowtech I) and square spindle cranksets are not interchangeable with middle rings from Hollowtech II cranksets

• Triple-chainring replacement for one-piece crank • Durable steel construction • Chain guard • 48/38/28-teeth chainrings