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.

- 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

- Replacement steel sprockets for 1-piece BMX cranks - Mount Compatibility: 1-piece - Teeth: 44T - Chain Compatibility: 1/2 x 3/32" - 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

- Fits 3-piece 22mm BMX cranks - 2mm 6061 aluminum core - Includes adapter for 19mm spindles - Teeth: 25T - Chain Compatibility: Singlespeed - 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 classic 4-hole cruiser chainwheel, with offset to allow chainline adjustment. - Classic 4-hole cruiser chainwheel - Offset ring allows chainline adjustment - Polished steel - Fits 1-piece crankarms - Requires 1/2-inch x 1/8-inch chains

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

- 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

- 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.

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. True value and performance are found in this FSA road chainring. It offers both long wear life and smooth shifting. - Stamped AL7075/T6 - N11 chainrings are compatible with all 10 speed drivetrains, and compatible with FSA, SRAM and Shimano 11-speed drivetrains - Ramped and pinned for excellent shifting - FSA 110 BCD - 4-Bolt - Material: Aluminum - Ring Position/Type: Inner

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

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

Full Speed Ahead chainrings have powered multiple World, Tour de France, and Olympic champions, and will exceed your expectations. - Chainring can be used with FSA SL-K direct mount outer chainrings - Precision CNC machined AL7075/T6 - Shifting ramps and stainless steel pins on outer rings - Compatible with Modular crankset (Gossamer/Energy / SL-K / K-FORCE) - Laser-etched logo - Material: Aluminum - Ring Position/Type: Inner - Drivetrain Speeds: 11 - Chainring BCD: 90mm

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

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

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

This direct mount chainring coincides perfectly with the Afterburner Modular Crank. The megatooth design allows you to put all of your power through without worrying about dropping your chain. - Material: Steel - Precision CNC-machined AL7075/T6 - Long tooth profile enhances chain retention - Thick Thin tooth design for maximum chain engagement - SH12: Compatible with Shimano 12s chain

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 ATB and Pro ATB chainrings deliver flawless shifting. - Precision CNC-machined AL7075/T6 - Shifting ramps and SS pins - Material: Aluminum - Tooth Count: 38 - Ring Position/Type: Outer - Drivetrain Speeds: 11 - Chainring BCD: 96mm

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

The Full Speed Ahead Gossamer AGX chainrings are engineered for stiffness while still being lightweight, and utilize a direct mount platform. MegaTooth technology keeps the chain from dropping when you're bouncing around on rough gravel roads. - CNC-machined alloy - MegaTooth technology for superior chain retention - Fits FSA Gossamer crankset only

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

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