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e*thirteen BOSCH e*Spec Direct Mount Chainring


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The e*thirteen BOSCH e*Spec Direct Mount Chainring upgrades your E-Bike drivetrain. Power up your drivetrain and conquer the E-Bike Trails!

Upgrade your e-bike drivetrain with our e*thirteen BOSCH e*Spec Direct Mount Chainrings.

Our M3 narrow-wide tooth profile reduces weight without compromising on chain-retention. While the steel version is a direct OEM replacement, the premium aluminium versions provide cleaner aesthetics, lighter weight, and long-lasting performance perfect for when you’re ready to upgrade from your original ring.


  • Chainline: Steel: 52mm or Aluminium: 53mm (Boost Chainline)
  • Colour: Black
  • Compatibility: Bosch CX Gen4 Motor
  • Material: 7050 Aluminium Steel
  • Mount: QuickConnectTM
  • Weight: 34T – 123g

ethirteen Ebike Crankset Intallation Guide

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase.

Additional information

Ring Size



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