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Promax Impact Top Load Stem (Oversized 31.8mm)
Promax Impact Top Load Stem (Oversized 31.8mm)
Promax Impact Top Load Stem (Oversized 31.8mm)
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Promax Impact Top Load Stem (Oversized 31.8mm)

Marsoni M251S
Sale price$81.95
Pay 4 payments of $20.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Promax Impact Top Load Stem (Oversized 31.8mm)Promax Impact stems have a 45 degree top load clamp design for BMX racing and freestyle. This oversized 31. 8mm clamp version is available in 53mm and 60mm lengths. Cold forged from the highest quality 6061 T6 aluminium then CNC machined to refine the shape and further reduce weight. The "open" design keeps weight low (265 grams in a 53 mm extension), while maintaining plenty of strength and ensuring your bars stay put. These Promax stems are our pick
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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 1843 reviews
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Verified Purchase
Todd Deminsky
Battle Creek, US
★★★★★ 3
Darker than advertized
Size: Medium, Color: Grey, Size: Medium, Color: Grey
The grey is much darker than advertised. Additionally, jacket came with two buttons and not one as advertised. I ordered a Medium and it fits a little big. No inside pocket, which isn't the worst, but I really like inside pockets.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
R
Verified Purchase
Rob Gilbert
Natrona Heights, US
★★★★★ 5
Great Look & Great Fit!
Size: XX-Large, Color: Dark Grey
Fit perfectly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
S
Verified Purchase
Scottman
San Leandro, US
★★★★★ 5
Nice for the price
Size: Large, Color: White
I needed a white jacket for a specific event and this is actually pretty good quality for the price. I was quite impressed. I’m only going to wear it one time, but I think you’ll be pleased with what you get for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
M
Verified Purchase
Michael L. Chernault
Charlottesville, US
★★★★★ 5
Know your body type.
Color: Navy Blue, Size: Large
I really liked the look and the buttons when I ordered it but I wound up returning only because I have to have a slim or fitted cut for any shirt to look good on me. This shirt did not hug me in the sides and looked like I was wearing someone else’s clothes. Nice shirt and good quality but it didn’t fit me personally. I did consider having it tailored but the cost of doing that was almost as much as the shirt.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
J
Verified Purchase
Jason Stevens
Belleville, US
★★★★★ 5
Cool comfortable good looks
Color: Navy Blue, Size: X-Large
Nice fit really comfortable good color not a hot shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026

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