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e*thirteen components
LG1 Race Carbon Crank Arms

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Current price: $244.53 Original price: $429.00
43% off



Why We Like The LG1 Race Carbon Crank Arms

The LG1 Race Carbon Crank Arms provide a lightweight, stiff, and durable performance that's ideal for trail and enduro riding. We appreciate the adjustable chain line that lets us run these cranks with Boost, Superboost, and even non-boost spacing. We appreciate the carbon construction because it gives our bikes a more reactive feel, all while saving weight and boosting efficiency.


  • Performance crankset for trail and enduro use
  • Spindle attached to non-drive side for easier maintenance
  • Compatible with all frames with a 73mm BB Shell
  • Adjustable chainline for Non-Boost, Boost, and SuperBoost setups
  • Chainring sold separately
  • Includes 2 crank boots, 1mm and 2mm chainline spacer, lockring, and lockring tool
  • Item #ETR002W
Arm Material
Arm Length
170mm, 175mm
Chainring Sizes
e*thirteen SL chainring, -8mm offset (not included)
BB Type
[width] 73mm, [diameter] 30mm
Q Factor
Non-Boost, Boost, SuperBoost (adjustable)
Compatible Components
all frames with 73mm BB shell
2 crank boots, 1mm chainline spacer, 2mm chainline spacer, lockring, lockring tool
Claimed Weight
[170x73mm] 14.5oz (410g), [175x73mm] 14.57oz (413g)
Manufacturer Warranty
5 years
mountain biking