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e*spec Bosch CX Gen 4 Steel Chainring

e*spec Bosch CX Gen 4 Steel Chainring - Main image
$15.98 $31.95 In stock

e*thirteen direct mount e*spec chainrings use their M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. Steel direct mount rings provide great performance and long life at a killer price for todays high-performance e-bikes.


  • Compatible with 11 and 12-Speed Drivetrain Systems
  • 52mm or 53mm Boost chainline