Shock Absorber Type 641 Competition

Marsoni

M251S

$570.00

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

Shock Absorber Type 641 CompetitionThe stock fork exhibits relatively poor responsiveness. When combined with SKF oil seals, the Wilbers upgrade delivers a much smoother and more sensitive fork response. The rear shock features a slightly softer spring along with optimized rebound and compression damping, ensuring improved ride comfort and control. The suspension geometry at both the front and rear axles has been carefully refined and optimized by adjusting the negative spring travel.

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Fast: 2-3 business days
Express: 1-2 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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The only reason I am giving this a 4 star(not zero) rating is the slime itself. The actual pump on the 1 gallon canister is awful. It makes so much mess, so I do not know whether I pumped the slime into the tubes or it all just spilled out of the base of the pump. The bottles worked great, but this time I needed to use more slime for a bunch of tires. What a slimy mess that was. Very poor pump design. Only after I spilled who knows how much of the slime, I finally washed it and was able to see the problem. The cap at the base of the pump got unscrewed and let all the slime lose. I screwed it back up and this should fix the mess next time I use it. Just a heads if someone encounters the same issue.

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Reviewed in the United States on April 22, 2026

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Scott A. Cain

Massapequa, US

★★★★★ 5

Great product

Style: 16 oz

Worked as advertised. I would order again.

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Reviewed in the United States on May 29, 2026

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steven whitis

Massapequa, US

★★★★★ 5

Fixes flats and old tires like a charm

Style: 1 gal

This stuff is awesome. If you have tractor tires, ATV tires, bike, tires, hell, any tires that hold air. This stuff is awesome. Awesome. Awesome. It does not work for highway vehicles, i.e. Cars and truck trucks. But anything else it’s great. Dollies, air compressors, wheelbarrows, the stuff is awesome dude.

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Reviewed in the United States on April 5, 2026

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Tim & Tammy

Waukegan, US

★★★★★ 5

slime is and has always been amazing for bike tires and other small pneumatic tires

Style: 1 gal

this is a great value, I have been using slime in my tubes of my bikes and a small inflatable pneumatic tires for probably 30 years, and I can say slime has only improved, and it works fantastic, this is a very good way to save money, and it works great on goat heads and several other ways your tires can get punctured, I still always recommend carrying a small air compressor or pump, but for the price point you just cannot beat slime, every bike shop should always carry this.

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Reviewed in the United States on April 18, 2026

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John Quargnenti

Dallas, US

★★★★★ 3

They need to find a better way to ship it

Style: 1 gal

What was left in the bottle worked great. However, the cap was off of the jug when I opened the package. Ididn't have enough for the other tires.

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Reviewed in the United States on March 19, 2026