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- USA
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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Industry Nine A318 Stem - 40mm, 31.8mm Clamp, +/-4.4, 1 1/8", Aluminum, BronzeIndustry Nines A Series mountain bike stems are crafted from domestically sourced 7075 aluminum billet into a svelte design achieving a nexus of form and function. Using advanced manufacturing techniques honed over decades in their CNC machine shop, they continue their tradition of offering riders uncompromising components. The A35 and A318 utilize either a 35mm or 31. 8mm handlebar clamp diameter providing 180 degrees of contact on the stem body for
Industry Nine’s A-Series mountain bike stems are crafted from domestically-sourced 7075 aluminum billet into a svelte design achieving a nexus of form and function. Using advanced manufacturing techniques honed over decades in their CNC machine shop, they continue their tradition of offering riders uncompromising components.- The A35 and A318 utilize either a 35mm or 31.8mm handlebar clamp diameter providing 180 degrees of contact on the stem body for twist-free security that will play nice with both alloy and carbon bars
- Stainless steel hardware ensures everything stays in place and looks great, regardless of mud-blasting washes or rainforest climates
Product Specifics
- Stem Angle (deg): 6
- Length: 40
- Rise: +4.4
- Rise: -4.4
- Material: Aluminum
- S.H.I.S. Stem Clamp Diameter: 28.6
- Bar Clamp Diameter (mm): 31.8
- Color: Bronze
- Weight: 136
- Defined Color: Brown
- Stack Height: 40
Today's Stock Status
2 Available to ship in 2-4 Business Days
UPC: 197769534911
EAN: Not available
Manufacturer Part Number: SA318ZZ40
SM0772
190235-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.7 ★★★★★
Based on 388 reviews
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Product Reviews
★★★★★ 4
A little snug on the thighs
Size: Medium, Color: Multicoloured G (5-pack)
Super comfy, soft and thin. For reference, I'm 5'6", 135, athletic build. I bought medium. I almost returned them because I thought they were a bit too snug on my thighs, and my thighs are not large at all. I was concerned about panty lines under snug clothing. But, because they're thin, I figured they would probably stretch, so I kept them. So far, I've only worn them under a night shirt, but they're super comfortable and they dont ride up at all. Very nice, but if your thighs are a little thick, you probably won't like them.
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Reviewed in the United States on August 29, 2025
★★★★★ 5
Functional + Sexy
Size: Small, Color: Multicoloured E-(5-pack), Size: Small, Color: Multicoloured E-(5-pack)
Not only do these feel good, my husband can’t keep his hands off me. They fit so good and are soft. I change into these to sleep but also just use them as shorts to wear around the house. They’re comfortable and don’t slide around. I got a size small and I’m 100lbs.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Finally!
Size: X-Large, Color: All Black D (5-pack)
Finally, comfortable underwear that don’t end up giving me a wedgie. I have a round booty and most cuts of underwear end up shifting as I walk and sit. The hem of the underwear comes right under my cheeks and the lightweight material ensures there’s no panty line and no shifting to where I don’t want them! I’m definitely purchasing more.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Ehh
Size: Medium, Color: Multicoloured E-(5-pack)
Very thin, still comfy but very thin material. Super soft though. I've worn and washed and they have held up but I won't be repurchasing bc these are so thin
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Reviewed in the United States on April 14, 2026
★★★★★ 5
They’re fantastic!!!!
Size: X-Large, Color: Multicoloured E-(5-pack)
My clothing size is 16/18 and XL. Even though Amazon suggested a size XXL, I ordered my normal XL and they fit perfectly.
The fabric for this style is 92% bamboo viscose and is amazingly soft and almost silky feeling. I had ordered a different boy short in this brand but they were 80% bamboo viscose and the fabric was significantly heavier. I returned those and ordered these.
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Reviewed in the United States on April 25, 2026