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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
R5 Ultegra Di2R5 has one jobget to the top, fast. But for all the glory and fanfare that comes with a summit finish, theyre rarely the only climb of the day. And while a race isnt usually won on a descent, they can certainly be lost. A climbing bike that can't carve a hairpin is a bit like a cup of decaf coffee. This is the fourth iteration of the R5, and while weight and stiffness have varied over the years, the handling, poise, and unmatched prowess on a descent
R5 has one job—get to the top, fast. But for all the glory and fanfare that comes with a summit finish, they’re rarely the only climb of the day. And while a race isn’t usually won on a descent, they can certainly be lost. A climbing bike that can't carve a hairpin is a bit like a cup of decaf coffee. This is the fourth iteration of the R5, and while weight and stiffness have varied over the years, the handling, poise, and unmatched prowess on a descent have been consistent since day one.
FEATURES:
- Faster In Every Direction: The new R5 frame is 130g lighter than the previous model—a 16% reduction from an already-light frame. And while aerodynamics weren’t a focus with this frame the way they would be on an S5 or P5, bringing the cables inside reduced drag by 25g.
- Darker Than Night, Lighter Than Air: The color black may absorb all light, but Cervélo Five Black is anything but heavy. This ultra-minimal graphics and paint package results in a frame that’s significantly lighter—they’ll never even see you coming.
- Less Stiff, Still Fast: The R5 is stiff, but not too stiff—the Goldilocks of climbing bikes if you will. Poise, stability, and power transfer that feels “just right” and keeps you fresh and ready to take on the road ahead.
- Turbulent Aero: New to R5 this year is the Reserve 34 | 37 TA Wheelset. That TA stands for Turbulent Aero, a new way of thinking about aerodynamics. Reserve and Cervélo have developed a protocol by which we replicate real-world wind conditions, and develop airfoil shapes that perform better outside. This means a wheelset that’s not only light, stiff, and fast, but exceptionally stable and confidence inspiring in all wind conditions.
SPECS:
| Frame | R5 Carbon |
| Fork | Cervélo All-Carbon, Tapered R5 Fork |
| Rims/Wheels | [F] Reserve 34TA, Zipp ZR1 ST, 12x100mm, 24H centerlock, tubeless compatible [R] Reserve 37TA, Zipp ZR1 ST, 12x142mm, HG freehub, 24H centerlock, tubeless compatible |
| Hubs | N/A |
| Spokes | N/A |
| Tires | Corsa Pro TLR blk-blk G2.0 OEM 700x26c |
| Crankset | Shimano Ultegra R8100, 12 Speed |
| Chainrings | 52/36T |
| Bottom Bracket | Ceramic Speed, BBright for 24mm spindle |
| Chain | Shimano M8100, 12 speed |
| Front Derailleur | Shimano Ultegra, R8150, 12 speed |
| Rear Derailleur | Shimano Ultegra, R8150, 12 speed |
|
Cassette/Rear Cogs
|
Shimano Ultegra 11-34, 12 Speed |
| Shifters | Shimano Ultegra, R8170, 12 speed |
| Handlebars | Cervélo HB13 Carbon, 31.8mm clamp |
| Stem | Cervélo ST31 Carbon |
| Brakes | Shimano Ultegra w/ CL800 Centerlock Rotor |
| Pedals | Sold Separately |
| Saddle | Prologo Scratch M5 PAS TiRox |
| Seat Post | Cervélo SP24 Carbon |
| Extras | Cervélo Faceplate Front Computer/Accessory Mount, Cervélo Rear Accessory Mount |
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
4.6 ★★★★★
Based on 507 reviews
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Product Reviews
★★★★★ 5
Perfect fit
Size: Large, Color: (100) White / White / Black
Durable and comfortable. Size works well. Very soft with nice thickness for training. Fairly long lasting
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Post-COVID Sock Hunt: Finally a Win
Size: Medium, Color: (001) Black / Black / White
Ever since COVID, I haven’t been able to find a pair of socks that hold up for more than a few months. Brands like UA, Adidas, and others seem to have cut corners—likely in response to inflation—by downgrading materials and labor rather than raising prices. The result? Socks that wear thin, rip easily, or lose shape fast.
These, however, have been a pleasant surprise. I’ve been wearing them for a few weeks and so far, they’re holding strong. You can tell some cost-saving measures were still made—certain areas feel slightly thinner—but overall, the construction is solid.
A key win: they stay on. These are ankle socks (not “no-shows”), and they hug the ankle securely. That’s a huge plus in a world where most post-COVID no-shows slide off halfway through the day.
We may never get back to the pre-COVID quality standards without paying a premium, but for now, these are a reliable choice.
Ratings:
• No slipping: 10/10
• Price: 7/10
• Durability (so far): No pilling or loose threads — promising start.
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Reviewed in the United States on March 24, 2025
★★★★★ 5
Great Quality and Stylish
Size: Large, Color: (001) Black / Black / White
Exactly what I was looking for. I don’t like socks that are no-show that your ankles rub on the shoe. These are taller than that but shorter than socks that go up and over the ankle. They’re comfortable, good quality, and pretty thick. They’re form fitting m, but not compression. I dint like compression socks, and these are tight, but not too tight.
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Reviewed in the United States on June 5, 2025
★★★★★ 5
Affordable and good quality socks
Size: Medium, Color: (001) Black / Black / White
Good quality!
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Reviewed in the United States on May 9, 2026
★★★★★ 4
Socks
Size: Large, Color: (001) Black / Black / White
They are very comfortable and fit just right
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Reviewed in the United States on September 3, 2025