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e*thirteen components
XCX Ultralight Guidering

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XCX Ultralight Guidering

E*thirteen developed the XCX Race Carbon Crank to be one of the lightest production cranksets on the market, which means they needed to make a suitable chainring to match. The XCX Ultralight Guidering is the result of this endeavor, designed to match perfectly with the XCX Race Carbon Crank. Despite the low weight, e*thirteen spent months and months of testing to ensure you aren't losing out on strength and wear life. The XCX Ultralight Guidering uses a narrow-wide tooth profile for optimal chain retention, and is compatible with 10, 11, and 12-speed drivetrains. This particular version is designed for mountain bikes with Boost hub spacing, and is only compatible with e*thirteen's direct-mount Quick Connect mounting interface.


  • Ultralight chainring to match e*thirteen's XCX Race Carbon Crank
  • Lightweight aluminum construction that doesn't sacrifice strength
  • Narrow-wide tooth design prevents chain drop in rough terrain
  • Compatible with 10, 11, and 12-speed mountain drivetrains
  • Offset is designed for bikes with 12 x 148mm Boost hub spacing
  • Item #ETR002V
Number of Rings
30t, 32t, 34t
Bolt Circle Diameter
direct mount
e*thirteen Quick Connect direct-mount interface
Compatible Components
e*thirteen XCX Race Carbon Cranks
Recommended Use
mountain biking
Manufacturer Warranty
5 year limited