GOSSAMER 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.


Convert your Gossamer Pro ABS crankset to a 1x with Gossamer Pro ABS 1X chainrings. The MegaTooth design allows you to put all your power through the cranks without worrying about dropping your chain. All the chainrings sizes are made from machined 7050 alloy and feature an offset design for optimum chain line. Sizes range from 36T to 44T.


  • 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
370-0028024050 CR GOSSAMER ABS 1x11 36T
370-0024017050 CR GOSSAMER ABS 1x11 38T
370-0025012050 CR GOSSAMER ABS 1x11 40T
370-0026001050 CR GOSSAMER ABS 1x11 42T
370-0027002050 CR GOSSAMER ABS 1x11 44T


Type Chainrings
Technology ABS, Megatooth, No
Color Neutral
Discipline ROAD
Compatibility GOSSAMER ABS