Chainrings

Shimano Ultegra 6800 11-Speed Inner Chainrings - Material: Aluminum - Ring Position/Type: Inner

- Thick-thin tooth design for maximum chain engagement - Heat-treated forged steel - BCD: 82mm - Optimized for 11-12 speed system - Compatible with Gamma Pro and Alpha Drive 1x crankset

Race Face Narrow-Wide Single Chainrings for 9-11 speed drivetrains. - 7075-T6 aluminum, aerospace grade strength. - Compatible with 9, 10, and 11 speed - Narrow Wide tooth profiling ensures ultimate chain retention - Stiff 4mm plate thickness and I-beam construction transfer loads without flexing - Reversible laser etched graphics - 36t = 50g - 30t Narrow-Wide single rings are threaded with a standard M8 x 0.75 chainring bolt thread

- Black Anodized with CNC machined ramps, steel pins

• Replacement for one-piece crank • Steel

This is Tom Dugan’s all new signature sprocket. In addition to its classic look, the Fang increases in thickness towards the center of the sprocket for increased strength. - 7075 Aluminum - Sweet machining

• Replacement for one-piece crank • Steel • Double chain guard • 3/32-inch

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.