SunRace RD-M37 7-Speed Rear Derailleur Long Cage

$14.95
$14.95
$17.39
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  • 6/7-speed Mountain Bike rear derailleur
  • Engineered polymer and steel construction
  • Direct mount
  • Equivalent RD-TY21 / RD-A070
  • 30t max cog size
  • 37t chain wrap capacity
  • 2:1 cable pull ratio
  • Compatible with Rapidfire
  • 270g
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