Chainrings

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

The Box Four Wide/Narrow chainring completes that package for the 1x8 system. It is the first 8-speed specific chainring designed to optimize chain retention when using 8-speed chains. The tooth profile and thicknesses are tailored to match the inside geometry of the unique Box Four chain. FEATURES - Our 8 is Enough Chainring - Forged & CNC Steel - ED Black Protection - Wide / Narrow 8s Specific - 104 BCD Compatible

- 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.

- Replacement steel sprockets for 1-piece BMX cranks - Mount Compatibility: 1-piece - Teeth: 43T - Chain Compatibility: 1/2-inch x 3/32-inch - Tooth Type: Standard

- Compatible with 1-piece BMX cranks - CNC machined 6061-T6 alloy construction - Teeth: 25T - Material: Alloy - Chain Compatibility: 1/2x 1/8-inch - Tooth Type: Standard

- CNC machined 6061-T6 alloy - Fits 1-piece and 3-piece BMX cranks - 23.8mm hole for 1-piece cranks with shims for 19/22mm 3-piece cranks included - Hard anodized coating - Unique, 1/8" quiet drive technology - Mount Compatibility: 1-piece/3-piece - Chain Compatibility: 1/2" x 1/8"

Dimension Multi Speed Chainrings. - CNC-machined AL-7075 - Has ramps and pins to aid in shifting (not on 74mm BCD inner chainring) - Same BCD as Surly Long Haul Trucker, Cross-Check, and Troll complete bikes (74mm & 110mm)

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

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

- 7075-T6 aluminum ring for Easton Cinch system Road/CX/Gravel cranks - Asymmetric four arm shape for greater stiffness in the power zones of the pedal stroke - Narrow-wide tooth profiling prevents chaindrop with a guide or clutch derailleur - Compatible with 9/10/11 speed chains, mounts using a common Park BBT-22 tool - 47mm chainline with the Easton 129mm spindle - 38T (80g), 40T (91g), 42T (98g), 44T (105g), 46T (112g), 48T (123g), 50T (137g)

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

30t inner ring for road triples

- 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

Shifting performance has helped Full Speed Ahead to become a world leader for high-end chainrings. No one studies the design and manufacturing of each system, and each tooth, as carefully as we do. Our dedication shows in every revolution of the crank, and every perfect shift achieved. To meet or exceed the needs of any drivetrain, Full Speed Ahead has developed sophisticated design, testing and manufacturing protocols. This allows Full Speed Ahead to match your needs as perfectly as our chainrings match a chain. We offer more options, levels, and finishes than our competitors. We use the best materials available, imported from the USA, Europe, or sourced from our qualified vendors in Asia, to guarantee the durability, performance, and appearance will out-perform, and outlast the competition. Full Speed Ahead chainrings have powered multiple World, Tour de France, and Olympic champions, and will exceed your expectations. - Stamped AL7075/T6 - Chainrings are compatible with all 10-speed drivetrains, and compatible with FSA, SRAM, and Shimano 11-speed drivetrains - Drivetrain Speeds: 11, 10

- Precision CNC machined AL7075/T6 alloy - No shift ramps- for single chainring use only - Can be used with chainguides and bashguards

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

This direct mount chainring coincides perfectly with the Comet Modular Crank. The megatooth design allows you to put all of your power through without worrying about dropping your chain. - Long tooth profile enhances chain retention - Thick-Thin tooth design for maximum chain engagement - Laser-etched logos

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

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

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

True value and performance are found in this chainring. It offers both long wear life and smooth shifting. - MegaTooth technology for superior chain retention - Crankset Compatibility: Gossamer Pro AGX+/Omega - Material: Alloy - Compatibility: BB386EVO - Drivetrain Compatibility: Shimano 10/11S, SRAM 10/11S, FSA 11S

- CNC machined 7075/T6 aluminum with thick and thin tooth design for maximum chain engagement - Long tooth profile enhances chain retention

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 - Shifting ramps and stainless steel pins on outer rings - Black anodized with CNC silver - Laser-etched logo

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

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

Gates Carbon Drive CDX Front Sprockets for Bosch GEN2 are crafted from stainless steel and are the best choice for high-mileage touring or rugged off-roading. - Bosch GEN2 fitment - Stainless steel construction - 11mm pitch - Includes shim kit

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 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 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 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.

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.

- Boost/Fat direct mount chainrings - Narrow/Wide tooth design for chain retention on 1x systems - 10, 11, or 12 speed compatible - Forged and hard anodized AL6061-T6 alloy construction - SRAM 3-bolt interface for crank arm mounting - BCD: Direct Mount - Type: 1x - Material: AL6061 - Chain Compatibility: 10/11/12s - Offset: 3mm

- MTB direct mount chainrings - Narrow/Wide tooth design for chain retention on 1x systems - 10, 11, or 12 speed compatible - Forged and hard anodized AL6061-T6 alloy construction - SRAM 3-bolt interface for crank arm mounting - BCD: Direct Mount - Type: 1x - Spec: GXP - Chain Compatibility: 10/11/12s Tooth - Type: Narrow/Wide - Offset: 6mm

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.

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

Origin8's Thruster 110mm BCD 5-bolt chainrings are great for road, 'cross, and gravel applications. Their Narrow/Wide tooth design offers outstanding chain retention on 1x systems, and they're 10 or 11 speed compatible. - Forged and hard anodized AL6061-T6 alloy construction - BCD: 110mm 5-Bolt - Type: 1x - Chain Compatibility: 10/11s - 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 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 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.

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

Live Long and Prosper Steel is real, so if you are pining for a 12 speed, direct mount chainring for your Cinch crankset that will stand up to years of kicking up dirt, cruising endless singletrack, smashing climbs, and everything in between, then look no further! Freedom Fighter Our Cinch interface makes this long-wearing steel direct mount chainring fast and easy to swap so you can customize your Shimano 12-speed drivetrain. Long-Hauler Stamped from real steel, this ring will keep going and going...and going. Plus, your 12-speed chain stays secure thanks to our awesome NW tooth profiling. - Compatible with Cinch Direct Mount Cranks - Steel - Direct Mount

Narrow wide chainrings compatible with Race Face CINCH system cranks. Direct mounting allows an easy switch between rings. - Compatible with 9, 10, 11, and 12-speed - Narrow Wide tooth profiling ensures consistent chain retention - Lockring installed/removed with ISIS BB tool - Stiff 4mm plate thickness to transfer loads without flexing

Race Face Next SL Direct Mount Chainrings • 7075-T6 aluminum, aerospace grade strength • Compatible for 9, 10, and 11 speed • Narrow Wide tooth profiling ensures ultimate chain retention • Attaches as part of the Race Face CINCH system (using tool TL6800) allowing you to switch between Direct Mount rings/spiders with ease • Utilizes Race Face proprietary spline design • Stiff 4mm plate thickness to transfer loads without flexing • 41 grams (26T) ranging up to 82 grams (36T) • Compatible with Race Face cranks with CINCH system interface

RaceFace Narrow Wide Hyperglide+ 1x chainrings are made of 4mm thick 7075-T6 alloy plate for stiffness and strength. - Only compatible with Hyperglide + chains - Designed for use with 12-speed Shimano drivetrains - Narrow Wide tooth profiling ensures consistent chain retention