Collection: Mountain Bikes

Find the Right Mountain Bike by Riding Style

Riding style is the first decision to make. A rider on smooth local trails needs a different MTB bike than someone riding rocky climbs, steep descents or lift-access bike parks. 

Use the filters to narrow mountain bikes by type, brand, wheel size, frame material and fit.

Hardtail Mountain Bikes

Front suspension only. Lighter, simpler, and easier to service. Best for new riders, fitness miles, smoother trails, and routes with more climbing than descending.
Full-Suspension Mountain Bikes

Front and rear suspensions help smooth out rocks, roots, drops, and rough descents. This setup works for riders who want more comfort and control on harder trails. 
Cross Country Mountain Bikes

Built for speed, climbing, and distance. These bikes fit race days, smoother singletrack, and rides where efficient pedaling matters most.

Trail Mountain Bikes

This is the middle ground of the category. Climbs well, descends with control. Works for local loops, weekend rides, and changing trail conditions. Most riders end up here, and that's the right call.

Enduro Mountain Bikes

These bikes are built for riders who climb to reach bigger descents. More suspension travel, stronger parts, and stable geometry for steep, rough, and faster downhill sections.

Downhill Mountain Bikes

Best for bike parks, shuttle days, lift-access trails, and steep descents. They are not made for casual climbing, but they give strong control on fast technical terrain.

Electric Mountain Bikes

Pedal assist helps on climbs, longer routes, and rides with more elevation. Before choosing one, check motor type, battery range, weight, and fit.

Top Mountain Bike Brands at Colorado Cyclist

After riding style, brand is the next key decision. It affects geometry, suspension feel, warranty, frame design, and ride feel. Colorado Cyclist carries Yeti, Kona, Norco, and Marin mountain bikes, along with Eastern, Forbidden, Fuji, GT Bikes, Ibis, Intense, and Niner.

Yeti Mountain Bikes

Known for high-performance trail and enduro bikes, with Switch Infinity suspension used on many of its full-suspension models.

Kona Mountain Bikes

Kona is known for practical, rider-focused bikes, with a long history in hardtail mountain bikes and trail-ready builds.
Norco Mountain Bikes

Norco focuses heavily on mountain, trail, all-mountain, and backcountry riding, with geometry built for control on mixed terrain.

Marin Mountain Bikes

Marin offers a broad mountain bike lineup, including downhill, enduro, trail, XC trail, adventure, dirt jump, and eMTB models.

Use the brand filter to narrow the page by the ride feel and build style you prefer.

Fit and Features to Consider

After type and brand, wheel size, and frame material, fine-tune the ride. Both are available through filters and subcategory pages, so you can compare bikes by handling, weight, ride feel, and price without scrolling through every mountain bike for sale.

Wheel Size

Wheel size affects rollover, grip, handling, and how the bike feels in tight corners. For many adult mountain bike riders, 29" wheels are the modern standard, with 27.5" and 26" wheels used for more specific fit or riding needs and 24" shows up on youth bikes.

Wheel size affects rollover, grip, handling, and how the bike feels in tight corners. For many adult riders, 29 inch mountain bikes are the modern standard, while 27.5 inch mountain bikes suit shorter riders and quicker handling, and 26 inch mountain bikes show up on dirt jump, fat, and older frame designs. 24" wheels are used on youth bikes.

Wheel Size

• 29" - Most adult trail, XC, and enduro riders, taller riders, rough trails
• 27.5" (650b) - Shorter riders, playful handling, quicker turns, some enduro builds
• 26" - Dirt jump, fat bikes, and older frame designs
• MX (mullet) - 29" front, 27.5" rear; combines rollover with rear-end agility on enduro and downhill bikes
• 24" - Youth and kids mountain bikes

Frame Material

Frame material affects weight, stiffness, ride feel, strength, and price. The right choice depends on your budget, riding style, and how much you care about weight savings.

• Carbon Fiber Mountain Bikes: Lightest, excellent stiffness-to-weight ratio, found on higher-end mountain bikes. Costs more.
• Aluminum Mountain Bikes: The workhorse. Strong, reliable, and the default across most price points.

Why Buy a Mountain Bike from Colorado Cyclist

Colorado Cyclist helps riders shop with more clarity, not more confusion. You can compare trusted brands, filter by type and size, and choose from a wide range of mountain bikes online.

You also get expert rider support, fast shipping, easy returns, and fit support before and after purchase. That matters when you are buying MTBs online and want the right size, build, and setup from the start.

Before your first ride, check the gear that makes trail days safer and easier, from a well-fitted MTB helmet to practical bike accessories and reliable bike tires.

FAQs on Mountain Bikes

What is the difference between a hardtail and a full suspension mountain bike?

A hardtail has suspension at the front and no rear shock. That makes it lighter, simpler and easier to look after. A full suspension mountain bike, like the name states, has suspension at the front and back, which helps smooth out rough trails and gives you more control on rocks, roots, and drops.

Do Colorado Cyclist mountain bikes arrive assembled?

Most mountain bikes arrive partly assembled, so you may need to attach or adjust a few parts before riding. Check the product page for the exact setup details. If you are new to bike assembly, it is better to have a local bike shop check the bike before your first ride.

Can I return a mountain bike if it doesn't fit?

Yes, Colorado Cyclist offers a 90-day return window, but bikes must be unassembled, unridden, and in their original packaging to qualify. That makes pre-purchase fit critical: if you're between sizes or unsure about geometry, contact the team before ordering. See the full returns policy for details

Do mountain bikes require a lot of maintenance? 

They need regular care, but it doesn't have to be complicated. Keep the chain clean, check tire pressure before rides, inspect the brakes, and follow the suspension service schedule if your bike has suspension. Hardtails are usually easier to maintain than full-suspension bikes.

How long does shipping take for mountain bikes? 

Riders close to Colorado see the quickest delivery, and Next Day or Two-Day shipping is available at checkout. Full details on the shipping policy page.

What accessories do I need when buying my first mountain bike?

Start with the basics: helmet, tire pump, flat repair kit, water bottle and gloves.