MEGATOOH chainring 104bcd

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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.


This megatooth chainring will coincide perfectly with any 104 BCD MTN Crank. 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 – 34T.


  • Precision CNC machined AL7075/T6
  • Long tooth profile enhances chain retention
  • Thick Thin tooth design for maximum chain engagement


Code Type
380-0115021050 CR MTB 1x11 30T
380-0064001051 CR MTB 1x11 32T
380-0065002051 CR MTB 1x11 34T
380-0091003050 CR MTB 1x11 36T
380-0092004050 CR MTB 1x11 38T


Type Chainrings
Discipline MTB
Compatibility Standard