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e*thirteen componentsTRS Race SL Carbon Crank Arms
Sale 50% Off$199.95 $399.00

Item # ETR0026

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  • Black, 175mm ($199.95)
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Item # ETR0026

TRS Race SL Carbon Crank Arms

Lightweight and efficient, the e*thirteen components TRS Race SL Carbon Crank Arms help you keep pedaling throughout hard climbs and technical trails. Compression-molded carbon fiber construction produces an extremely lightweight, rigid and durable material that effectively transfers power while withstanding trail use. The TRS is designed to fit both boost and non-boost frames and chainlines with a simple move of the included spacers—but remember to only use a non-boost chainring. e*thirteen placed the aluminum spindle on the non-drive side of the crank, making access easier for drivetrain maintenance and chainguide setup. The Adaptive Preload Adjuster (APS) is compatible with Quick Connect dual-width Guiderings and crankarm protectors for easy customization, and Quick Connect technology also allows you to easily remove the crankset with an 8mm allen wrench.
  • Crank arms for efficient riding in technical terrain
  • Carbon fiber is lightweight yet rigid and durable
  • Aluminum spindle is on the non-drive side for easy maintenance
  • Adjustable chainline fits boost and non-boost frames
  • Self-extractor removes the crankset easily with an 8mm allen
  • Includes SL APS adjuster and two crank shoes
Tech SpecsWeight
Tech Specs
Arm Material
carbon fiber
Arm Length
Chainring Sizes
28t, 30t, 32t, 34t, 36t, 38t
BB Type
68/73mm threaded (BSA), PF30, BB30, BB92
73mm Aluminum P3 Connect
Recommended Use
mountain biking

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Black, 175mm

Claimed Weight

Claimed weights are provided by the vendor.

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I have a 2015 specialized fatboy expert and I need to replace the crank arms.. will these crank arms work? Do I have to get a new spindle? I currently have the ethirteen trs 2x crankset/arms on there now.. thx

Hi Cody, these cranks are not available with a longer spindle to fit fat bikes. You may want to look at Race Face cranks as they do have interchangeable spindles to fit different bottom bracket widths.

Top tier crank

  • Familiarity: I've put it through the wringer

I've been riding my E*Thirteen crank for the last 8 months on my XTR Di2 drivetrain as I wanted to try something a little lighter than an XTR M9000 crank. I think i ended saving about 150 or so grams with this crank over the Shimano. I paired it with a 32t SL Guidering

and have been riding it problem free. I've taken a few pretty big rock strikes, but so far no issues. The crank also comes with some pretty chunky crank boots to help take some of the impact. With a chainring, this crank is very comparable in weight to a SRAM X01 DUB or RaceFace SIXC crank. I rode it with my Shimano drivetrain but it would have no issues with compatibility on SRAM 11 or 12 speed drivetains as well.

Top tier crank