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SE15 Arm Tensioner
SE15 Arm Tensioner
SE15 Arm Tensioner
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SE15 Arm Tensioner

Marsoni M251S
Sale price$66.77
Pay 4 payments of $16.69 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
SE15 Arm TensionerProduct Details : SE15 Arm Tensioner Part No: SE15 Product Type: Arm Tensioner Compatible Chain Size: 35 40 50 Roller: DP 40 Tightening Torque on M (lb ft): 21 Normal A: 3. 15 Hard B: 3. 94 Force (lbs.) Fa: 38. 22 Force (lbs.) Fb: 30. 57 C: 4. 43 D: 0. 41 E: 1. 18 G: 1. 18 H: 0. 32 I: 0. 2 L: 2. 51 N: 1. 97 O: 0. 35 M: M8 x 25 Specifications: Includes: Tensioner and installation bolt (M). Idler sprocket, pulley and roller not included. Bolt size for
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  • Standard: 3-7 business days
  • 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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 2441 reviews
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Product Reviews
R
Verified Purchase
R. Reid
Birmingham, US
★★★★★ 5
Worth the buy!
Size: Medium, Color: Black
These socks wash well and have lasted us through the year without holes wearing in them. This is actually the 2nd pack we’ve purchased and will definitely buy more when we outgrow these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
T
Verified Purchase
Tyler
San Leandro, US
★★★★★ 5
Highly Recommend these as daily socks
Size: X-Large, Color: Black
I love these socks. I’ve been wearing for years. There was a batch I purchased about 2 years ago that all fell apart in the same seam location after 6 months but UA appears to have resolved. I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
J
Verified Purchase
Joseph S. Morris
Massapequa, US
★★★★★ 3
They're ok, miss the resistor 3.0
Size: Large, Color: Black
I bought these because Under Armour stopped making the resistor 3.0 socks. These are fine, but the resistors are better. This model is a little too form-fitting, and I have to make sure they're situated on my toes properly, otherwise they'll sit between my little toe and the next one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2025
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
UA Socks
Size: Large, Color: Black
Great socks for summer. Just what I wanted.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 3, 2025
K
Verified Purchase
KREG HANEY
Lake Worth, US
★★★★★ 5
Good Socks.
Size: Large, Color: Black
Good fit and comfortable socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 20, 2025

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