45 N/mm Rear Shock Spring

Marsoni

M251S

$122.95

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

45 N/mm Rear Shock SpringThe Hyperpro Linear rear spring provide an easier cornering, a shorter braking distance, makes the bike less sensitive to weight changes, provides improved tire life, gives a better balance in the bike and better overall feedback of your bike. The rear spring is mounted on your original shock absorber. Every Hyperpro shock spring is developed to the specific needs of the motorcycle.

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Fast: 2-3 business days
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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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Don’t get me wrong it’s not a horrible product but these wires have an extreme amount of resistance to them, and once they get hot they drop voltage drastically. It was nice it came with a bunch of eyelets and made it easy to assemble but unfortunately once they were over 100F temp (live in Florida so cars get way hotter than that on the inside) the voltage would go from a normal 12.5-13.5v all the way down to 8v. Partially my fault I did not notice they were CCA wire instead description, would not recommend for automotive use.

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Reviewed in the United States on June 25, 2025

Verified Purchase

Freddy

Carnegie, US

★★★★★ 5

Good price works great

Great product

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Reviewed in the United States on May 21, 2026

Verified Purchase

Chris Crittenden

Dallas, US

★★★★★ 5

Amplifier

Works good

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Reviewed in the United States on April 29, 2026

Verified Purchase

Shawn

Whiting, US

★★★★★ 1

Low quality. Recommend something from a better brand.

Low quality. Seemed fine until the first one I ordered one of the terminals broke off with very little tightening force. The replacement i had ordered worked for a few days then quit working altogether. Overall disappointed.

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Reviewed in the United States on April 8, 2026

Verified Purchase

Ailyn

Charlottesville, US

★★★★★ 5

Bueno

Lo recomiendo

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Reviewed in the United States on March 21, 2026