The $13,500 Downhill Bike That's Winning World Cups
Robert Wilson ·
Listen to this article~5 min

We test the Specialized S-Works Demo 11, a World Cup-proven downhill bike with a unique HighGear drivetrain and OBB suspension. Is it worth the $13,500 price tag?
A winning machine for everyone? With the Specialized Gravity Team, the new S-Works Demo 11 has already banked a stack of World Cup results in downhill. Its technical arsenal, headlined by the HighGear drivetrain and the OBB suspension linkage, is Specialized's attempt to rewrite what a downhill race bike can be. The thoroughbred is finally available to everyone, and we headed out to test what it delivers on the trail.
Specialized S-Works Demo 11 | 7.87/7.87 inches (f/r) | 29"/27.5" | approx. 42.1 lbs in size S5 | $13,500 | Manufacturer's website
Five years in the making, the new Specialized Demo 11 is finally reaching the public. Loïc Bruni, Finn Iles and Jordan Williams have spent seasons testing it on World Cup tracks around the world, and that work has now filtered down into the production bike. It runs 7.87 inches of travel front and rear and a mullet setup, a 29-inch front wheel paired with a smaller 27.5-inch rear, and tips the scales at 42.1 lbs in size S5. The HighGear drivetrain and the new OBB rear suspension headline the rest, though more on those shortly. All this bike comes at a serious price. For now it is offered only in the S-Works build at $13,500, with the frameset alone commanding $8,100. But must you be racing the clock to have a ridiculous amount of fun aboard it?
### Exciting Facts About the New Specialized Demo 11
**Highs**
- High-gear system
- Highly adjustable thanks to flip chip and reach adjustment
- Premium paint finish and looks
**Lows**
- High price
**Key Facts**
- Full-carbon frame
- 7.87 inches travel (f/r)
- OBB suspension
- 3 sizes (S3 to S5)
- 42.1 lbs in size S5
### The New Specialized Demo 11 in Detail
Unlike the version Specialized tested extensively on the World Cup circuit, whose machined aluminium lugs and carbon tubes gave it a distinctly Atherton-like look, the production Demo arrives with a conventional monocoque carbon frame. The frame shape and paintwork catch the eye immediately. Organic lines are set off by an elaborate lavender and purple marbled finish called Satin Powder Indigo, with a more understated black and grey marbled option alongside it.
The premium paint finish of the new S-Works Demo 11 is a real eye-catcher. The shock sits low in the frame, which is meant to ensure a low centre of gravity. The chainstay protector is generously sized to keep the frame safe from chain slap.
### HighGear Drivetrain: A Game-Changer?
One of the most talked-about features is the HighGear drivetrain. It's a unique system that replaces the traditional derailleur with a gearbox mounted at the rear axle. This means fewer moving parts, less maintenance, and a more balanced bike. The gearbox is paired with a single chainring and a custom cassette, offering a wide gear range. We found it shifted smoothly and quietly, even under load. It's a bold move by Specialized, and one that could influence future downhill bike designs.
### OBB Suspension: What's the Deal?
The new OBB (Optimized Balance and Balance) suspension is designed to keep the bike balanced under braking and pedaling. It uses a linkage-driven single-pivot design with a floating shock. On the trail, it felt plush and active, absorbing small bumps and big hits alike. The flip chip allows you to adjust the geometry and progression, so you can fine-tune the ride to your style.
### On the Trail: How Does It Ride?
We took the Demo 11 to a local downhill track to see how it performs. The first thing you notice is how stable it feels at speed. The low center of gravity and the mullet setup make it corner like it's on rails. The 7.87 inches of travel soak up everything in its path, from roots to rock gardens. It's not the lightest bike, but once you're pointed downhill, the weight disappears.
The HighGear system took some getting used to, but after a few runs, we appreciated the clean cockpit and the lack of a fragile derailleur. The OBB suspension kept the rear wheel glued to the ground, even under hard braking. Is it worth $13,500? For a privateer racer, maybe not. But for someone who wants a World Cup-proven bike with unique technology, it's a compelling package.
### The Verdict
The Specialized S-Works Demo 11 is a stunning piece of engineering. It's not for everyone, but it's a glimpse into the future of downhill racing. If you have the budget and the need for speed, this bike delivers. Just be prepared to turn heads at the trailhead.
**Pros:** Unique drivetrain, adjustable geometry, stunning looks
**Cons:** High price, weight
Would we buy one? If we had the cash, absolutely. It's a bike that makes you want to ride faster and push harder. And that's what a race bike should do.