SL-K MTB modular 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.


SL-K direct mount chainrings coincide perfectly with the SL-K Modular Crank. The Megatooth design allows you to powerfully pedal without worrying about dropping your chain. The alloy rings range from 28T – 38T.


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


Code Type
380-0234025090 CR MTB SL-K DM 1x 28T WA044 V17
380-0235026090 CR MTB SL-K DM 1x 30T WA045 V17
380-0232027090 CR MTB SL-K DM 1x 32T WA046 V17
380-0231023090 CR MTB SL-K DM 1x 34T WA048 V17
380-0230024090 CR MTB SL-K DM 1x 36T WA051 V17
380-0229017090 CR MTB SL-K DM 1x 38T WA052 V17


Type Chainrings
Color Neutral
Discipline MTB
Compatibility SL-K MTB modular
Drivetrain Compatibility Shimano 9-11S, Shimano 12S, Sram 10S, Sram XD 11/12S, Shimano10/11S, Sram10/11S