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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
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Description
Zipp Speed Weaponry Service Course SL-OS Stem - 100mm, 31.8 Clamp, 6 deg, 1-1/4", Aluminum, Matte Black, B2Zipps Service Course SL Stem is crafted from 7075 aluminum, and features a shape thats strong and lightweight. To meet the needs of different riders and fit, the stem is available in multiple options. Wide range of sizes and 6 deg angle Service Course SL OS stem made for 1 1 4 steerer tube bikes Lifetime warranty Product Specifics Stem Angle (deg): 6 S. H. I. S. Stem Clamp Diameter: 31. 8 Defined Color: Black Stack Height: 41 Weight: 140 Color: Matte
Zipp’s Service Course SL Stem is crafted from 7075 aluminum, and features a shape that’s strong and lightweight. To meet the needs of different riders and fit, the stem is available in multiple options.- Wide range of sizes and 6 deg angle
- Service Course SL OS stem made for 1-1/4” steerer tube bikes
- Lifetime warranty
Product Specifics
- Stem Angle (deg): 6
- S.H.I.S. Stem Clamp Diameter: 31.8
- Defined Color: Black
- Stack Height: 41
- Weight: 140
- Color: Matte Black
- Material: Aluminum
- Length: 100
- Bar Clamp Diameter (mm): 31.8
Today's Stock Status
Currently not available
UPC: 710845861772
EAN: Not available
Manufacturer Part Number: 00.6518.041.003
SM0423 160578-04
158319-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
4.8 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Perfect Pairs
Size: Large, Color: (100) White / White / Black
Very comfortable, soft & affordable..
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Excellent athletic socks
Size: Large, Color: (100) White / White / Black
Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too.
Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Great product
Size: Large, Color: (035) Steel / White / Black
Comfortable fit perfect
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Quality No Show Socks That Are Comfortable and Durable
Size: Large, Color: (100) White / White / Black
These Under Armour no show socks are great for everyday training and casual wear. The cotton blend feels comfortable and they stay in place throughout the day. Getting six pairs in a pack is solid value for a quality brand. They hold up well after multiple washes and the no show style works great with most athletic shoes. A reliable go-to sock.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Comfortable
Size: Large, Color: (001) Black / Black / White
I recently picked up a pair of Under Armour socks, and they’ve quickly become my go-to choice for daily wear and workouts. From the first wear, the fit felt snug and supportive without being too tight. The fabric is lightweight yet durable, and it does a great job wicking sweat — keeping my feet dry even during longer runs or intense gym sessions.
One of the things I appreciate most is the arch support and cushioning in the right places. It adds just enough padding where I need it, especially under the ball and heel of the foot, which makes a noticeable difference on days when I’m on my feet a lot. The socks also have a nice breathable mesh pattern that improves airflow.
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Reviewed in the United States on January 4, 2026