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e*thirteen components
XCX Race Carbon Road Crank Arms

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XCX Race Carbon Road Crank Arms

Diving into years of World Cup racing experience, e*thirteen stakes the claim of crafting the lightest production carbon cranks on the market. These XCX Race Carbon Cranks come in just shy of 360g, making them a perfect option for building up a lightweight gravel or road race bike. The 30mm spindle remains stiff under pedaling power while shedding weight over most 24mm designs, and will fit just about any frame as long as you get the correct bottom bracket.


  • Ultralight carbon cranks for gravel and road bikes
  • Lightweight carbon layup is also stiff and strong
  • Designed for 1 x 10, 1 x 11, or 1 x 12 drivetrains
  • Works with most threaded and press-fit frames
  • Includes APS preload adjuster & self-extracting bolt
  • e*thirteen UL chainring sold separately (34t up through 42t)
  • Item #ETR1WVH
Arm Material
[arms] compression-molded carbon fiber, [spindle] aluminum
Arm Length
170, 172.5, 175mm
single (not included)
BB Type
PF30, threaded 30mm
Q Factor
[with e*thirteen UL chainring] 47mm
Compatible Components
e*thirteen UL direct-mount chainrings
1 lockring tool, 1 plastic plug, 2 stickers
Claimed Weight
[without chainring] 360g
Manufacturer Warranty
5 years
gravel, road cycling

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