SKU: 2873381570

CURVE Belgie ULTRA Frameset

Sale price$1979.55 Regular price$2199.50
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

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Description

CURVE Belgie ULTRA FramesetThe Belgie ULTRA has thinner 16 mm seat stay tubing and an updated tapered head tube, resulting in a sleeker frame design and considerable weight savings. At 1630 grams, the Belgie ULTRA 56 frame is 180 grams lighter than the previous model Stability and Improved Geometry Longer chainstays, front centre, and overall wheelbase across all sizes. A taller stack and extended reach help make the ULTRA more comfortable on day long rides. This also helps

The Belgie ULTRA has thinner 16 mm seat stay tubing and an updated tapered head tube, resulting in a sleeker frame design and considerable weight savings.

At 1630 grams, the Belgie ULTRA 56 frame is 180 grams lighter than the previous model

Stability and Improved Geometry

Longer chainstays, front centre, and overall wheelbase across all sizes. A taller stack and extended reach help make the ULTRA more comfortable on day-long rides. This also helps minimise pesky toe overlap when using a wider tyre.

The ULTRA features our Race 370 fork, resulting in tyre clearance of up to 33 mm.

Bento Box + Extra Storage Space

The Belgie ULTRA features Bento Box mounting points on the top tube allowing riders to secure belongings in most bolt-on bike bags. We have also increased the size of the front triangle, allowing more storage capacity for top tube frame bags and water bottles.

There is ample room for bikepacking bags on all frameset sizes. To make sure current, prospective or custom bagging fits your frame size please see our Bagmaker Drawing page.

Mechanical versus Electric

Thanks to some improvements in engineering, the Belgie frame is now compatible with both electronic and mechanical gear systems. So you can now have your pick of eTap, Di2, or standard mechanical options.

Invest In Happiness

Curve titanium frames come with a Lifetime Warranty so that you can be sure the bike you love most will be the bike you love longest. We design every Curve product at our Abbotsford headquarters, then test them out in the real world, under the most demanding conditions.

Want to Carry More?

With a wide range of frame and fork mounted rack systems on the market, and with more appearing every week, it is important to understand which rack systems are compatible with your Curve frame and fork, and how to mount them correctly in order to ensure safe riding, avoid damage and voiding your warranty. Before mounting a rack, we strongly recommend you get in touch with us to confirm compatibility and the correct mounting procedure. This will minimise the risk of injury, product damage and voiding your warranty. Your local Curve dealer, or the team at Curve HQ, can also help you select a rack system and mount it to your bike for you.

 

Frameset Includes

Frame

Titanium Curve Belgie Ultra

Fork

Curve Race 370

Steerer expander plug

Race Ride Seek stem cap

Headset

Curve Integrated 42/52cmm semi-internal

Seat Clamp

Curve Alloy 31.8mm

Bento Box

Mounts on top tube are placed 64mm apart. (76mm from of the outer diameter of the headtube)

Other

Curve Cocky Headbadge

12mm Front & Rear Axles

Carbon front derailleur clamp

Removable DT, BB and CS cable guides for mechanical group sets

Hanger

Please Note:

Important Note: Please be aware that due to the steerer length of the Ride 370 fork (300mm), when paired with Ultra frames in sizes 61 and 64 only 10mm and 0mm of spacers will fit under the stem, respectively, due to the longer headtubes (61 cm - 240 mm, 64 cm - 250 mm).


If more stack is needed, an alternate fork with a longer steerer tube may be required. Please Contact Us to talk through possible options if this may affect you.

 

If you are building your Curve frameset with a self-supplied groupset, please see the specification guide via the link below to ensure the necessary parts are sufficiently compatible with our framesets.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 2873381570

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4.4 ★★★★★
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TS
Dallas, US
★★★★★ 2
Very strong perfumed scent
I wanted to love this soap as it sounds like it has a lot of skin loving ingredients, however when I opened the packaging I was immediately disappointed that there was a strong perfumed scent in the soap. I have extremely sensitive skin that flares up easily if I use scented products so unfortunately I didn’t try this soap because of the smell. I took off 3 stars due to the strong smell. If you like perfumed soaps this most likely won’t be an issue. It’s a decent sized bar so that’s definitely a positive note but because of the scent I was afraid to try it. If they make an unscented version of this soap I may give it a try as this one was a no go for me.
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Reviewed in the United States on February 20, 2026
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Michelle K
Carnegie, US
★★★★★ 5
Gentle soap, great for hands and body!
I love how gentle this oatmeal soap is. It’s perfect for sensitive skin and doesn’t irritate my hands even when they are rough. I keep one at my sink and one in the shower. The natural scent is lovely and not overpowering. A must-buy for those looking for a mild cleanser!
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Reviewed in the United States on February 3, 2026
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seekro
Port Orchard, US
★★★★★ 5
Itchy, red skin BE GONE!
My 94 year old father has recently had a terrible resurfacing of his psoriasis with red, itchy, flaky sores all over his body! It's been so bad that he can't even sleep at night. My heart has been aching for him BUT he is finally getting some relief from this amazing soap!! I just saw him yesterday and, compared to two weeks ago, the redness and itching has lessened considerably. Plus, he loves the way it smells! What a true JOY to know he is on the mend, in part because of this product. I am about to purchase another bar for my sister who suffers the with the same issue. THANK YOU fo making a product that actually does what it claims to do!!!!!!
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Reviewed in the United States on December 26, 2025
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Raizy G
Waukegan, US
★★★★★ 5
Great Product
I’ve been using this all-natural eczema soap for the past few weeks, and I’m genuinely impressed by the results. As someone who has struggled with eczema flare-ups for years, I’ve tried countless products, but this soap stands out. First off, the ingredients are truly natural—no harsh chemicals, fragrances, or preservatives. The soap is made with soothing, skin-friendly components like coconut oil, shea butter, and chamomile extract. It lathers up nicely, creating a gentle, creamy foam that feels luxurious on the skin. What really stands out is how gentle it is on my sensitive skin. Unlike many other soaps I’ve tried, this one doesn’t dry out or irritate my eczema patches. In fact, it has a calming effect and seems to reduce redness and itching after just a few uses. I’ve noticed that my skin feels softer and more hydrated, which has helped prevent flare-ups. The scent is mild and pleasant—not overpowering, but just enough to give you a fresh, clean feeling without triggering any sensitivities. Overall, I’m thrilled with this eczema soap. It’s not only effective at soothing and moisturizing my skin, but it’s also a relief to know that I’m using something that’s completely natural and safe. If you suffer from eczema or other skin sensitivities, I highly recommend giving this soap a try. It’s definitely become a staple in my daily skincare routine.
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Reviewed in the United States on January 5, 2025
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mary l
Draper, US
★★★★★ 5
eczema soap
this is the best soap for my grandson he has eczema , cleared his skin after one or two baths then i lotion down with with the eczema lotion and his skin is so smooth and it's actually beautiful I will always bath him in this soap again and forever he doesn't inch anymore ,no more broken skin it holds moisture because it kind of seems like it's dry when you take taking out of bath but it healing up patches of dry skin I was happy to go see them go away but it's penetrates in the skin I don't know it's just remove all roughness no more problems thanks excellent products and
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Reviewed in the United States on September 19, 2025

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