


KCNC Bear Arm Stem 31.8mm
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
KCNC Bear Arm Stem 31.8mmBear Arm 2D Forged stem to fit 11 8th steerer and oversize 31. 8mm bars A stronger stem for aggressive xc freeride use. 2D forged 6061 T 6 alloy. Cro mo bolts 5 degree rise fall, 38mm stack height. Designed xc trail freeride. Weighs 167g
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- Fast: 2-3 business days
- Express: 1-2 business days
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4.3 ★★★★★
Based on 546 reviews
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Product Reviews
★★★★★ 1
Too large. Correct size not depicted.
SIZE 10-14... Too large. Product details says "Regular" size. Returning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 2
Too big
The one size fits all was too big for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
★★★★★ 5
Great quality.
Size: Large, Color: (001) Black / Black / White
Thickness and comfort are great. Quality is great and the same I would expect if I bought at the branded storefront.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
★★★★★ 5
Great product.
Size: Small, Color: (001) Black / Black / White
🙏🙏🙏
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great buy!
Size: Medium, Color: (001) Black / Black / White
My husband loves these. The socks are warm and thick and extremely comfortable. They support the foot and he works outside all day and has had them for a little over a month. They stay in place and don’t move move around while he’s outside moving around.
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Reviewed in the United States on November 6, 2025
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