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Description
CeramicSpeed BB ALPHA Bottom Bracket - T47, 73mm, For 30mm Spindle, MTB, BlackA bottom bracket built to outlast your frame BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All
A bottom bracket built to outlast your frame - BB ALPHA features hardened stainless-steel races hand-built with grade-3 Silicon Nitride ceramic balls, custom-engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra-low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB ALPHA models are handbuilt in Denmark and backed by a lifetime warranty.- Hardened Stainless Steel races offer exceptional corrosion protection and provide an optimal surface for the hand-built grade-3 Silicon Nitride ceramic balls
- Internal ball bearing race has been redesigned to provide additional support, allowing the bearing to better handle pre-load
- Custom-made light contact seals with stainless steel covering the backside strike the perfect balance between efficiency and protection, while offering the trademark low-friction CeramicSpeed performance
- Inside the BB ALPHA, the bearings have been moved further out in the cup, allowing the incredibly stiff POM plastic dust covers to now sit flush with the outer edge of the cup, making it increasingly difficult for debris to penetrate the dust cover and contaminate the bearing
- Simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations
Product Specifics
- Bottom Bracket Shell I.D.: 46
- BB/Frame Interface: T47
- BB Shell Width (mm): 73
- Weight: 110
- Spindle Interface Type: RaceFace/Easton CINCH
- Spindle Interface Type: Hope BSA30
- Spindle Interface Type: Rotor 3D+
- Spindle Interface Type: 386 EVO
- Defined Color: Black
Today's Stock Status
2 Available to ship in 2-4 Business Days
UPC: Not available
EAN: 5711050144099
Manufacturer Part Number: 115561
CR5507
195466-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
4.3 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great socks
My husband will only wear 100% cotton socks none of the spandex moisture control etc so these are hard to find in stores but he loves them and they last a while
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Reviewed in the United States on May 8, 2025
★★★★★ 5
Great feel, amazing tech, and perfect fit
Size: Large, Color: Black/Gray (6 Pairs)
I've been purchasing the white w/grey toe socks for most of my adult life. Never really understood why I'd want anything else. Saw these as an Amazon suggestion one day and figured I'd give them a shot. Oh my freaking feet have never been happier!!!
I imagine that the fabrics used by UA to wick away sweat and odor are what makes these socks so comfortable, but I would be lying if I said I understood why they were so amazing. They slip on effortlessly and hug your foot throughout the day. Unlike the socks I used to purchase, these do not lose their shape after a full day of wear and exercise. They also have ample thickness to protect my feet while I'm running from any rubbing or hot spots from my shoes. I imagine this has a lot to do with the fact that they maintain their shape and do not move/slip around while wearing.
I was a bit hesitant to purchase black running socks at first, but they hide right below my shoe line and are even less noticeable than my old white w/grey toe socks I used to purchase. I am not certain what "charged cotton" means, but if it means amazing feel, great features (wick away sweat; fight odor), and all for a reasonable price. I'm in.
Overall, if you're looking for a nice pair of socks to wear throughout the day or while doing your workout, you would be remiss in not giving these UA socks a shot.
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Reviewed in the United States on April 1, 2017
★★★★★ 5
Comfortable socks
Breathable and stretchy cotton socks. They are stretchy, thick and soft.
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Reviewed in the United States on February 7, 2026
★★★★★ 4
super socks
Cotton socks have proven to be a simple yet indispensable addition to my daily wear, offering a level of comfort that sets them apart from other materials. The soft, breathable nature of cotton fabric ensures a gentle and cozy embrace for my feet throughout the day. Whether I'm navigating a busy workday or enjoying a relaxing evening at home, these socks provide a pleasant cushioning effect, preventing any discomfort or irritation. Additionally, the moisture-wicking properties of cotton keep my feet dry and fresh, making them an ideal choice for all-day wear. The durability of cotton socks has also impressed me; they maintain their shape and softness even after numerous washes, showcasing the reliability and longevity of the material.
One of the key features that make cotton socks a wardrobe essential is their versatility. Suitable for various occasions, these socks effortlessly complement both casual and formal attire. The wide array of colors and patterns available allows for easy integration into any style, making them a go-to choice for different outfits. In terms of value for money, cotton socks offer a cost-effective solution without compromising on quality. Overall, my experience with cotton socks has been consistently positive, and I find myself reaching for them daily due to their unmatched comfort, durability, and adaptability to various fashion choices.
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Reviewed in the United States on February 19, 2024
★★★★★ 5
Comfortable Socks, color variety not as implied
Size: Medium, Color: True Gray Heather Assorted (6 Pairs)
Pros: Comfortable socks, with wide, not tight band at the ankle. Wish I'd bought them sooner.
Con: Amazon description shows a photo of 6 pairs of socks, 2 black, 2 gray, and 2 white. The pack actually comes with 2 black, 1 white, and 3 pairs of gray.
Haven't washed them yet. Will see how they stand up.
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Reviewed in the United States on June 14, 2024
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