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.

- Includes: (5) 8.5mm outer bolts, (5) 6mm outer bolts, (5) 5mm inner nuts

FSA's Pro Road chainrings are made from CNC-machined 7000-series aluminum for low weight. The teeth are ramped and pinned for excellent shifting, too.

FSA's Pro Road chainrings are made from CNC-machined 7000-series aluminum for low weight. The teeth are ramped and pinned for excellent shifting, too.

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

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

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

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

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 Classic Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with road, fixie and track drivetrain components. They have an attractive and corrosion-resistant silver anodized finish.

Origin-8's Alloy Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They have ramped teeth and are pinned for superior shifting and durability, and feature an attractive and corrosion-resistant black 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 Alloy Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They have ramped teeth and are pinned for superior shifting and durability, and feature an attractive and corrosion-resistant black anodized finish.

Origin-8's Alloy Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They have ramped teeth and are pinned for superior shifting and durability, and feature an attractive and corrosion-resistant black anodized finish.

Origin-8's Alloy Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They have ramped teeth and are pinned for superior shifting and durability, and feature an attractive and corrosion-resistant black anodized finish.

Origin-8's Alloy Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They have ramped teeth and are pinned for superior shifting and durability, and feature an attractive and corrosion-resistant black anodized finish.

Origin-8's Alloy Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They have ramped teeth and are pinned for superior shifting and durability, and feature an attractive and corrosion-resistant black anodized finish.

Origin-8's Alloy Non-Ramped Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with 8-, 9- and 10-speed drivetrain components. They feature an attractive and corrosion-resistant black anodized finish.

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 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 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 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 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 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.

Take your chain retention to the quiet, simple, light level with SRAM's X01 X-Sync Chain Ring. It features SRAM's X-Sync narrow/wide tooth profiles to securely hold a chain through the roughest terrain, no chainguide required! A variety of sizes ranging from 30T to 38T let you dial in your rig for your ride. The unique chainring design allows you to slide the ring over the crank arm, so crank removal is not required. Available in 94mm BCD for SRAM's X1 cranks, or 104mm BCD to convert your standard crank to a single-ring system.

SRAM's XX1 X-Sync Chain Ring mates perfectly to SRAM's XX1 crank. It features a wide-narrow-wide tooth profile to securely hold the chain through the roughest terrain, no chainguide necessary. A variety of sizes ranging from the spin-to-win 28T to the hard-man humbling 38T let you dial in your rig for your strengths or terrain. The unique chainring design allows you to slide slide over the crank arm, so crank removal is not required.

Replace worn out chainrings or change out gearing with SRAM's Force X-Glide Chainring. This solid ring is crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting.

Replace worn out chainrings or change out gearing with SRAM's Force X-Glide Chainring. This solid ring is crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. If you have a SRAM Force 22 compact crank (50/34), this is the ring for you.

Replace worn-out chainrings or change out gearing with SRAM's Yaw Compatible Inner Chainring. This solid ring is crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. This chainring works for SRAM's Yaw front derailleurs on both 10- and 11-speed drivetrains. The 42-tooth version works best when paired with a 55- or 54-tooth big ring.

• CNC machined in British Columbia, Canada • S.H.I.F.T technology features sloped ramps, profiled teeth and pins • AL7075-76 rings with hardwearing steel ramps • Black machined and anodized