SL-K ABS chainring 1x


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A Look Inside FSA's Megatooth Technology

Our innovative Megatooth chainring has been developed to respond to the increasing demand 1/11 cranksets, designed to meet the needs of top level riders. The design allows the chainring to retain the chainring completely by itself. Find out more on our Megatooth technology in this video.


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.


  • Precision CNC machined AL7075/T6
  • Shifting ramps and stainless steel pins on outer rings
  • 110mm asymmetric (ABS)
  • Black anodized with CNC silver
  • Laser etched logo


Code Type
370-0128024050 CR ROAD SL-K ABS chainring 1x 110x36T WA215 B1
370-0127017050 CR ROAD SL-K ABS chainring 1x 110x38T WA220 B1
370-0126012050 CR ROAD SL-K ABS chainring 1x 110x40T WA256 B1
370-0125001050 CR ROAD SL-K ABS chainring 1x 110x42T WA257 B1
370-0124002050 CR ROAD SL-K ABS chainring 1x 110x44T WA223 B1


Type Chainrings
Technology ABS
Color Neutral
Series SL-K
Discipline ROAD
Material Alloy
Compatibility SL-K ABS