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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
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Description
FSA - #57 HEADSETFor tapered steerers (can be converted to 1 1 8 steerer through purchase of a FS160 5538 crown race). FSA Part Number 121 0501 SPECIFICATIONS headset type Threadless Zero Stack Cup steerer tube Tapered 11 8" to 1. 5" material Alloy stack height 12. 8mm upper cup 44mm Flush Cup lower cup 56mm Flush Cup upper bearing 36 x 45 11 8" ACB Sealed Bearing 41. 0mm OD lower bearing 36 x 45 1. 5" ACB Sealed Bearing 51. 8mm OD
For tapered steerers (can be converted to 1 1/8 steerer through purchase of a FS160-5538 crown race).
- FSA Part Number 121-0501
SPECIFICATIONS
| headset type | Threadless Zero Stack Cup |
| steerer tube | Tapered 11/8" to 1.5" |
| material | Alloy |
| stack height | 12.8mm |
| upper cup | 44mm Flush Cup |
| lower cup | 56mm Flush Cup |
| upper bearing | 36° x 45° 11/8" ACB Sealed Bearing 41.0mm OD |
| lower bearing | 36° x 45° 1.5" ACB Sealed Bearing 51.8mm OD |
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
4.2 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Hot cocoa every morning!
Color: White
I absolutely love this machine. I make my hot cocoa every morning with it. It is so easy you just put the milk in and high-quality hot chocolate mix. Push the button and then it just whips it up and gives it a little bit of a froth on the top when it’s finished. It’s so fast and easy.
It would be a great gift for anybody that likes hot chocolate.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Best way for hot chocolate
Color: Black
works great, I use it for hot chocolate. Easy to clean. Something to consider though the Max light may be a little lower than shown depending on the milk you use.
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Reviewed in the United States on May 17, 2026
★★★★★ 2
Check your milk preference when buying this unit. Product Does not last
Color: White
I purchased this frother in mid Oct and less than 90 days later, it's no longer working. The wisk does not spin, and the element does not heat the milk. I am currently working with customer support on a refund / replacement, but so far not happy. I've been told it does not work with 2% organic milk and that I need to switch to whole milk, which will solve my issues. Not sure how whole milk will help with the heating element? This was not disclosed when I purchased the unit. If I had known my milk choice would impact the frother, I would have chosen another brand or product. I like the unit, it's compact, easy to clean, but it did not last.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Easy to use, reliable machine
Color: White
Great product! I have a fully automated DeLonghi cappuccino/latte coffee machine. After 5 years of use, the machine's milk frothing function started to fail. I purchased this product to supplement/replace the milk frother on my DeLonghi automated coffee machine; it works great and produces copious milk froth with much less mess.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Best frother ever!
Color: White
This is the best frother ever! Works better than my expensive espresso machine frother. So easy and makes a large amount enough for 2 large cappuccinos.
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Reviewed in the United States on April 21, 2026