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 CompetitionThis shock absorber connects its compression tank to the main body using a flexible steel hose, making it an ideal choice for motorcycles with limited installation space. The hose can be routed freely wherever space allows for instance, along the rear frame where airflow can also aid in additional cooling. The external adjustment screws for high and low speed compression, each adjustable in 22 clicks, are easily accessible. Rebound damping can be fine

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Just ordered my 3rd to keep one in each car. Good unit. The first one I bought was in 2022 and still works great. Reasonable fast to inflate tires -- don't compare it to shop air or a gas station, but it's way faster than cheaper ones. Only negative, I think my daughter lost one somehow because I should have had enough! :-)

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Reviewed in the United States on April 10, 2026

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Tom Shutt

Battle Creek, US

★★★★★ 4

Easy to use tire pump

Has easy to read digital pressure gague. Has built in light for finding tire valve stem in dim garage. Hose is flexible and stores by wrapping around pump. Shuts off automatically when tire is at desired pressure. Pressure on pump matched readings on my car tire pressure readout. Pressure only shows half psi increments so it takes a while to see if the tire is inflating. Inflation is somewhat slower than the one this pump replaced but it gets there accurately eventually.

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Reviewed in the United States on January 26, 2026

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Shopper

Boise, US

★★★★★ 5

Nice tire sealant.

Size: 32 oz

This seems to work very well. I will say that it seems to be pretty important to move the wheel around as soon as you can to distribute the product within the tire. I was held up for a few minutes and the Liqui tube seemed to start to set up in one spot and made the tire out of balance so I had to work quick to get it to distribute to the other parts of the tire. It seems to have worked though and so far the tires are holding air very well. I will be interested to see if it lasts for a long time but so far so good.

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Reviewed in the United States on May 18, 2026

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Captain Al

Omaha, US

★★★★★ 5

This stuff works!

Size: 32 oz

I was sceptical but wanted to avoid replacing 2 rear tires on my zero turn mower. The tires were leaking air and had bad sidewall cracking. I found the use of the product to be easy and quick. I aired up the tires and rode around the yard a few minutes to distribute the product in the tires. It has been 4 days and both tires remain aired up. Previously both tires would already be flat within this timeframe. Excellent results for me!

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Reviewed in the United States on May 18, 2026

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james Bays. Yup

Lowell, US

★★★★★ 1

Doesn’t work for a car Tire seal slow leak

Size: 16 oz

Does not work for a car tire. Had a slow rim seal leak. Out 32oz in still leaks the same. Do not buy. I got the one with fibers in it. It worked just fine. This does not work. Period. $30 wasted actually I purchased two so I wasted $60 when I could’ve bought probably a new tire

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Reviewed in the United States on April 8, 2026