The Shimano R9100 series crankset achieves the ultimate in optimal power transfer. It does this through a more reinforced outer chainring on its unique asymmetrical four-arm spider construction. - Chainring BCD: 110 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer

Shimano Dura-Ace 9000 11-Speed Chainrings. - Chainring BCD: 110 Shimano Asymmetric - Color: Silver/Black - Defined Color: Silver - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer

X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear. - Updated tooth profiles for improved wear - One-piece construction for faster, smoother, more secure shifting - More durable finish - Direct Mount - Material: Aluminum

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - A-Type, for use with 42 tooth A-type inner chainring - Hollowglide hollow chainring construction for rigidity and light weight - Designed for use with 10-Speed asymmetrical Shimano road chains: CN-7901, CN-6711, and CN-5701

- SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear - Improved aerodynamics for time trial and triathlon - Material: Aluminum

Shimano XTR M9000 11-Speed Chainrings - Chainring BCD: 96 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer

- 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

Shimano Ultegra R8000 Series Chainrings are designed for use with Shimano's 11-speed Ultegra crankset.

- Lightweight, CNC machined, anodized aluminum NJS-certified Track chainring. - 1/2" x 1/8"

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

Shimano's Ultegra 6800 chainrings provide confidence-inspiring shifting and category-defining speed. Cold-forged aluminum comprises the super-stiff, hollow outer ring, and Shimano's unique system of ramps and pins means lightning fast shifts are at your command.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - For best shifting performance B-type rings only with B-type rings

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - 6700-G and 6750-G chainrings are OEM for Ultegra "Glossy-Gray" cranksets

- Direct Mount Shiftring sets for TRS series cranks - Integrated ring set mounts directly to crank arm - 7075-T6 aluminum construction with 4mm width optimized for all chainguide systems to prevent chain jamming - Requires spider lockring removal tool

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

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.

Replacement chainrings in 110mm and 130mm BCD for SRAM 11-speed Yaw speed road cranks. Replace worn out rings or swap to change gearing for specific uses.

Shimano Dura-Ace triathlon chainrings are designed to be used only as a set 42/54, 42/55, or 44/56. 45t ring is an option to be used with the 56t ring (any other combinations may result in poor 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 RED X-Glide Chainrings. These solid rings are crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. If you have a SRAM RED 22 compact crank, these are the rings for you.

Top quality design and materials in sizes to fit modern road and 'cross bikes. - 7000 series aluminum provides strength and durability - 52t for use with 36 or 38t - 50t for use with 34t

- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - New tooth profiles for improved wear - More durable finish - 94mm BCD

- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Specially designed tooth profiles for improved wear - More durable finish - Bolt Circle Diameter (BCD): 107 BCD - Speeds: 12 - Material: Aluminum

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - Nickel plated Duraluminum for durability (SIS compatible) - Always match E type large ring with E type small rings

Replace worn out chainrings or change out gearing with SRAM's RED X-Glide Chainrings. These solid rings are crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. If you have a SRAM RED 10-speed Exogram* standard crank, these are the rings for you. RED Exogram cranks have a hidden 5th bolt behind the crank arm

Tooth shapes and shift pins are designed specifically for use with SRAM Yaw front derailleurs. - Compatible with the SRAM Red Yaw front derailleur - 7000 series aluminum provides strength and durability - Non-Hidden Bolt rings fit other SRAM 10-speed crank arms - Ring Position/Type: Outer - Drivetrain Speeds: 10 - Chainring BCD: 130

Shimano XTR CRM91 1x11 Chainrings - Hollowglide technology provides exceptional driving stiffness and strength - Titanium, carbon, and aluminum materials - Titanium teeth for lightweight durability - Modified tooth profile prevents chain drop - Ring Position/Type: Chain-retaining single ring - Drivetrain Speeds: 11 - Chainring BCD: 96 Shimano Asymmetric