ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 155mm, 26mm Offset, Black

ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 155mm, 26mm Offset, Black

Marsoni

M251S

$232.00

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

ethirteen Helix Race Alloy espec Cranks for ISIS Spindle - 155mm, 26mm Offset, BlackThe ethirteen Helix Race Alloy espec Cranks are a premium, high strength alternative to carbon fiber, engineered specifically for high torque ISIS spindle e bike motors. Forged and precision CNC sculpted from 6066 T6 aluminum, these ultra short 155mm crank arms maximize ground clearance on modern low BB geometries. Featuring a 26. 5mm offset for a balanced Q factor, integrated alloy self extractors, and impact absorbing crank boots, they deliver

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I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.

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Reviewed in the United States on May 23, 2026

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Iris

Bozeman, US

★★★★★ 5

Definitely recommend

Color: White, Size: Queen (20" X 30")

I highly recommend this pillow case. With two sides it is easy to stay comfortable as the weather changes. The cooling side is nicely cool to touch and both sides are incredibly soft. The size is also good.

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Reviewed in the United States on May 26, 2026

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Marcus Meiklejohn

Dallas, US

★★★★★ 5

Nice & cool

Color: Beige, Size: King (20" X 36")

These are the best pillowcases! I love having a cooling side for summer and a warm side for winter. I can't imagine switching back to normal cotton pillowcases after using these. They zip on so they stay on unlike regular pillowcases.

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Reviewed in the United States on May 11, 2026

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ROB

Cuba, US

★★★★★ 4

Nice pillowcases that stay cool

very soft and seem to stay cool!

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Reviewed in the United States on April 29, 2026