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Shop Our Downhill Mountain Bikes For Sale
Check out our wide range of downhill mountain bikes for sale at Ridley's Cycle. We've got tons of models for you to choose from that will help you harness gravity and send it big. Downhill mountain bikes are great for bike parks and shuttle rides where all the focus is on downhill speed and performance. Explore all the models or browse the other different categories with the links below. Happy riding!
Shop mountain bikes by type
- Hardtail mountain bikes: versatile and responsive
- Full suspension mountain bikes: ready for any trail
- Electric mountain bikes: ride more laps in less time
- Downhill mountain bikes: gravity-loving speed demons
- Rigid mountain bikes: bombproof simplicity and versatility
- Fat bikes: 4 season adventure bikes
- Mountain bike frames: build your dream bike
- All mountain bikes
Shop mountain bikes by wheel size
- 29 inch mountain bikes: max speed and rollover
- 27.5 inch mountain bikes: playful and agile
- 26 inch mountain bikes: tried, true, and affordable

$6,899.99
Session 8 is a downhill mountain bike with a burly alloy frame and high-pivot suspension design that keeps you nimble, planted, and blazing fast on even the most punishing runs.
- New suspension layout with a high pivot and idler pulley increases traction, carries more speed, and reduces pedal kickback for more stability
- Virtually zero pedal kickback means you’ll stay confidently planted and in control during descents—especially when landing jumps or drops
- The high pivot design delivers a more efficient rearward axle path so you’ll carry more speed and your wheel won’t get hung up on obstacles
- Adjust your suspension progression by flipping the lower shock mount chip—20% for plush park rides, 25% for racing efficiency
- Our new DH sizing system is based on reach, not rider height, which is the most important factor in a great downhill bike fit

$6,699.00
Pair an irrational appreciation for speed with the unmatched versatility of being able to run a traction-loving 29-inch front wheel and a snappy 27.5-inch rear, and you have the fastest, most capable Demo to date. The Demo Expert adds planted, confident control to the mix with an assist from RockShox BoXXer Select 29 fork featuring their DH DebonAir spring and a Super Deluxe Select Coil shock offering external rebound adjustment. Should your riding style or terrain require, the Demo's adjustable rear dropouts mean 29-inch rear wheel compatibility is on deck, ready to deliver. SRAM Code RS four-piston brakes front and rear give you the power to slow down with almost telepathic immediacy, while the Demo Expert suspension platform injects just the right amount of anti-rise into the kinematics equation in order to keep your weight low and centered, maximizing rear-wheel traction when you need it most.
- The Demo Race M5 alloy frame is fully optimized to take advantage of the traction benefits of a 29-inch front wheel and the increased maneuverability of a 27.5-inch rear wheel. And, it retains the ability to change your rear wheel size to suit different terrain and riding styles—the adjustable rear end ensures chainstay length and bottom bracket height stay dialed no matter the hoop size.
- The Rockshox Super Deluxe Ultimate DH coil shock may be heavy on adjectives, but it's even heavier on performance, offering external low-speed compression and rebound adjustment while the Trunnion mount offers extra bushing overlap for increased durability.

$9,499.00
All-out speed has always been the Demo target, and with the Demo Race it's no different. The frame introduces a new flexible wheel size design that allows riders to take advantage of a 29-inch front wheel and a 27.5-inch rear wheel. This special blend has long been tested by our sponsored riders looking for the perfect balance of traction and maneuverability, but only just green-lighted by the UCI this past year (not that it stopped the Demo Race from racking up both the Downhill World Championship and overall World Cup titles in its very first season). Now, we're offering that same winning combination straight out of the box. Of course, the adjustable rear dropouts allow you to change between 27.5 and 29-inch wheel sizes based on terrain and riding style while also adjusting for proper chainstay length and bottom bracket height.
Blazing fast on tough tracks, the Demo Race suspension design has been developed around a more rearward axle path that reduces rear wheel hangup, increasing speed. Top-shelf suspension from RockShox takes advantage of the most proven suspension kinematics on the World Cup circuit and SRAM DH-specific XO1 drivetrain has you covered from the start gate to the finish line.
- Not that it needs an introduction, the RockShox BoXXer Ultimate 29 comes from a long lineage of World Cup domination, and its latest guise features RockShox's Charger 2.1 Damper, DH DebonAir spring, and 200-millimeters of podium-bred travel.
- The Demo Race M5 alloy frame is fully optimized to take advantage of the traction benefits of a 29-inch front wheel and the increased maneuverability of a 27.5-inch rear wheel. And, it retains the ability to change your rear wheel size to suit different terrain and riding styles—the adjustable rear end ensures chainstay length and bottom bracket height stay dialed no matter the hoop size.
- The Rockshox Super Deluxe Ultimate DH coil shock may be heavy on adjectives, but it's even heavier on performance, offering external low-speed compression and rebound adjustment while the Trunnion mount offers extra bushing overlap for increased durability.
$2,795.00
$3,949.99
29% Off
Session AL frameset gives you an awesome foundation for building up your ideal downhill machine. The new high-pivot suspension design keeps you nimble, planted, and blazing fast on even the most punishing runs, and burly alloy construction rolls with the punches on gnarly and technical trails.
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