Chainrings

- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear

Made in the US from 6061-T6 aluminum alloy, Box Two Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.

- Stock for 07-08 Record and Chorus 10-speed compact and standard cranksets - Ultra-Drive ESP alloy chainrings with anti-friction treatment and ramps/pins - *Campagnolo compact rings are Ultra-Torque specific BCD - Color: Grey

Dimension Chainrings. - No ramps, pins, or shift aids

- Asymmetric four arm shape for greater stiffness in the power zones of the pedal stroke - Compatible with 9/10/11 speed chains, mounts using a common Park BBT-22 tool

The new FLT 12 SPD chainring has an updated tooth profile optimized for SRAM Flattop 12 SPD chains. Easton direct mount rings use a new narrow/wide design specifically tailored to road/cx/gravel applications. The individual tooth profile has moved from the traditional symmetrical shape to more directional specific design with the intention to create a positive chain roller engagement to help with chain retention, critical to prevent chain slip and bounce over rough terrain. Compatible, but not optimized for, 11-speed chains. Ring only. Crankarms and spindles sold separately. - EA90 SL Alloy - Optimized for 12-Speed Flattop Chains - Cinch System Compatible - Variable Tooth Width - Optimized Retention via Directional Tooth Design - Weight Complete: 442g 172.5mm 40t w/o BB - Chainline: 47mm

FSA ATB chainrings deliver flawless shifting for any mountain drivetrain. Available in alloy and steel options.

FSA Pro Road Chainrings deliver flawless shifting for any road drivetrain. - Precision CNC machined AL7075/T6 alloy

- Precision CNC-machined AL7075/T6 - Shifting ramps and stainless steel pins on outer rings - Laser-etched logo - Crankset Compatibility: Gossamer ABS 2019

FSA Super Road Chainrings are designed to provide flawless shifting, with minimal weight and unmatched durability. - Precision CNC machined AL7075/T6 alloy

FSA's MTB Pro chainrings deliver flawless shifting for mountain drivetrains. - Precision CNC machined AL7075/T6 alloy - Shifting ramps and stainless pins for improved performance - D-10 chainrings are double 10 speed Sram/Shimano compatible, but are only guaranteed perfect fitment on FSA MTB cranksets

The megatooth design allows you to put all of your power through without worrying about dropping your chain. All sizes of these chainrings are steel and range from 32T to 34T. - CNC machined 7075/T6 aluminum with thick and thin tooth design for maximum chain engagement - Long tooth profile enhances chain retention + WA670B - Shifting ramps and stainless steel pins on outer rings - Black anodized with CNC silver - Laser-etched logo

FSA Pro Track Chainrings are CNC Machined AL7075/T6 with laser-etched logos. - Requires 1/2" x 1/8" chain

A direct mount Retainer ring option designed specifically for the Hope RX Crankset. Designed to be compatible with 9/10/11 and 12-speed drivetrains including SRAM T-Type and Shimano HG+. - Asymmetric tooth profile engineered for cross-compatibility and functionality with different drivetrain systems - Improved mud-shedding capability - Improved chain retention - Better performance with extreme chain angles on modern 1 x drivetrains - Tooth profile allows for more chain wear before function is compromised, extending service life - Spiderless rings have a new leg design with improved strength and stiffness - Narrow/wide tooth profile to keep the chain where it should be - Direct mount retainer ring designed specifically for our RX crankset - Optimized 45mm chainline - No need for separate spider and bolts for a lighter setup - CNC machined in 7075-T6 aluminum - Weight: 38T – 94g | 40T – 104g | 42T – 114g | 44T – 125g

A total redesign of Odyssey's popular MDS sprocket. With a built-in full guard, this sprocket lives up to its name, helping to protect your chain from anything you can throw at it. Sprocket thickness increases towards the guard area for greater strength. Compatible with all chain widths. - 7075 Aluminum

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 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.

Origin8's Thruster 104mm BCD 4-bolt chainrings are great for MTB, Boost, and Fat applications. Their Narrow/Wide tooth design provides chain retention on 1x systems, and they are 10, 11, or 12 speed compatible. - Forged and hard anodized AL6061-T6 alloy construction - BCD: 104mm 4-Bolt - Type: 1x - Chain Compatibility: 10/11/12s - Tooth Type: Narrow/Wide

- 64/104mm BCD 4-bolt chainring sets for MTB, Boost, and Fat applications - Shifting ramps and stainless steel pins for smooth shifting - 10 or 11 speed compatible - Stamped AL2014-T6 alloy construction - BCD: 64/104mm 4-Bolt - Type: 2x - Tooth Type: Standard

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.

Narrow/Wide tooth design for chain retention on 1x systems - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy

Narrow/Wide tooth design for chain retention on 1x systems - Oval shape for increased power and efficiency - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy - 4 bolt

Narrow/Wide tooth design for chain retention on 1x systems - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy

Narrow/Wide tooth design for chain retention on 1x systems - Oval shape for increased power and efficiency - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy

Origin8's Thruster 110mm BCD 5-bolt chainring sets are great for road, 'cross, and gravel applications. Shifting ramps and stainless steel pins deliver smooth shifting, and these rings are 10 or 11 speed compatible. - Stamped AL2014-T6 alloy construction - BCD: 110mm 5-Bolt - Type: 2x - Chain Compatibility: 10/11s - Tooth Type: Standard

The all new Turbine 11 Speed rings are ready to ride. Completely redesigned from the ground up, these rings shift like nothing else. The Turbine rings are machined from 7075 aluminum, so they are built to last. Rings are CNC'd from 7075 alloy, creating a ring with instantaneous smooth and quiet shifting, even under load. These 2x rings are super stiff at a minimal weight, resulting in a ring that demonstrates sharp and quick shifts while being highly resistant to impacts.

Direct Mount 3-bolt chainrings compatible with SRAM cranksets with a removable Spider. Narrow Wide tooth profiling ensures ultimate chain retention. - 7075-T6 aluminum, aerospace grade strength - Stiff 4mm plate thickness to transfer loads without flexing