ethirteen Helix Race Carbon espec Cranks for ISIS Spindle - 160mm, 26mm Offset, Graphite

ethirteen Helix Race Carbon espec Cranks for ISIS Spindle - 160mm, 26mm Offset, Graphite

Marsoni

M251S

$377.01

Get it in 3 business days with 1 day shipping. Friday, May 29

ethirteen Helix Race Carbon espec Cranks for ISIS Spindle - 160mm, 26mm Offset, GraphiteThe ethirteen Helix Race Carbon espec Cranks represent the absolute pinnacle of lightweight e bike drivetrain engineering. Delivering an industry leading strength to weight ratio, these 160mm carbon fiber crank arms are ASTM 5 rated to handle everything from aggressive all mountain lines to demanding bike park laps. Featuring a 26mm offset for optimized motor casing clearance and a balanced stance, they come complete with integrated alloy self

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I normally wear size 13&half to 14 men's, and these fit me ok. They sit just below the ankle. They can get a little tight for me so you should look out for that if you are on the thicker side. But they work as advertised and help moisturize your feet. I recommend wearing them if you're going to just be hanging around home for a bit in one spot as they can be a little slippery to walk in if you go fast. Would not recommend going up and down stairs.

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Reviewed in the United States on August 28, 2025

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Brian

Boise, US

★★★★★ 5

Good socks

Size: 1 pair black L

Good socks

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Reviewed in the United States on May 6, 2026

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Amazon Customer

Waukegan, US

★★★★★ 3

REALLY unsafe to walk around in these

Size: 2 pairs black L

They do what they are expected to do, but should only be used if you are stationary. The gel base makes for very unstable footing if walking around

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Reviewed in the United States on May 27, 2026

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Suz

Cuba, US

★★★★★ 5

These work

Size: 2 pairs black L

My husband loves these they help his very dry feet. As others have stated they are extremely difficult to walk in so have to be careful but they do work nicely.

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Reviewed in the United States on March 12, 2026

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New York, US

★★★★★ 1

Potential Fall Risk

Size: 2 pairs black L

While these socks do indeed help soften rough skin on your feet, there is a risk of falling while wearing them. Although they have treads on the bottom, which would indicate they’re safe to wear with nothing else, when you put moisturizer on and then wear them your foot can slip inside the sock . This causes you to lose your balance and fall, which happened to me. I’ve thrown them out.

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Reviewed in the United States on October 24, 2024