Mountain Bikes
(57 products)Co-op CyclesDRT 3.1 Mountain Bike
$2,078.93Save 20%compared to $2,599.00Wheel Size:27.5 in., 29 in.Frame Material:AluminumFork Travel:140 mmRear Derailleur:SRAM SX EagleWeight:33 lbs. 8 oz.- Top Rated
Co-op CyclesDRT 1.2 Mountain Bike
$999.00Wheel Size:27.5 in., 29 in.Frame Material:AluminumFork Travel:120 mmRear Derailleur:microsShift ADVENT - Top Rated
Co-op CyclesDRT 1.3 Mountain Bike
$1,399.00Wheel Size:27.5 in., 29 in.Frame Material:AluminumFork Travel:120 mmRear Derailleur:Shimano Deore - Sale Ends Dec 23
SalsaNotch 160 CUES 10 Electric Mountain Bike
$2,999.99Save 39%compared to $4,999.00E-Bike Classification:Class 1Battery Capacity:500 WhWheel Size:29 in.Fork Travel:160 mmRear Derailleur:Shimano Shadow Co-op CyclesDRT 3.3 Mountain Bike
$2,718.93Save 20%compared to $3,399.00Wheel Size:27.5 in., 29 in.Frame Material:AluminumFork Travel:140 mmRear Derailleur:Shimano SLXMeet the DRT e1.1, our first hardtail e-MTB
Boost your off-road adventures. The DRT e1.1 is light, fast, dirt-ready—and backed by 1 year of free adjustments!
Shop Co-op CyclesCannondaleHabit Carbon 2 Mountain Bike
$3,044.93Save 30%compared to $4,350.00Wheel Size:27.5 in., 29 in.Frame Material:CarbonFork Travel:140 mmRear Derailleur:Shimano XTSalsaHeyday! Cues Fat-Tire Bike
$1,699.00Wheel Size:26 in.Frame Material:AluminumTire Width:4.6 in.Rear Derailleur:Shimano CUESWeight:34 lbs. 6 oz.- Sale Ends Dec 23
Co-op CyclesDRT 1.1 Mountain Bike
$419.29Save 30%compared to $599.00Wheel Size:27.5 in.Frame Material:AluminumFork Travel:100 mmRear Derailleur:Shimano TourneyWeight:31 lbs. 10 oz. SalsaHeyday 5.6 Advent Fat-Tire Bike
$1,118.93Save 20%compared to $1,399.00Wheel Size:26 in.Frame Material:AluminumTire Width:4.6 in.Rear Derailleur:microsShift ADVENTCannondaleHabit HT 1 Bike
$1,550.00Wheel Size:29 in.Frame Material:AluminumFork Travel:130 mmRear Derailleur:Shimano DeoreSalsaBlackthorn SLX Mountain Bike
$2,499.93Save 30%compared to $3,599.00Wheel Size:29 in.Frame Material:AluminumFork Travel:160 mmRear Derailleur:Shimano SLXCannondaleHabit HT 3 Mountain Bike
$1,100.00Wheel Size:29 in.Frame Material:AluminumFork Travel:130 mmRear Derailleur:microsShift ADVENTDiamondbackYowie 2 Mountain Bike
$2,624.93Save 30%compared to $3,750.00Wheel Size:29 in.Frame Material:AluminumFork Travel:130 mmRear Derailleur:SRAM GX Eagle, 12-speedWeight:31 lbs. 4.8 oz.- Top Rated
CannondaleHabit 4 Mountain Bike
$2,300.00Wheel Size:27.5 in., 29 in.Frame Material:AluminumFork Travel:140 mmRear Derailleur:Shimano Deore SalsaTimberjack SLX 27.5+ Mountain Bike
$1,700.00Wheel Size:27.5+ in.Frame Material:AluminumFork Travel:130 mmRear Derailleur:Shimano SLXWeight:33 lbs.- Top Rated
Co-op CyclesDRT e1.1 Electric Mountain Bike
$3,199.00E-Bike Classification:Class 1Battery Capacity:500 WhWheel Size:27.5 in.Fork Travel:100 mmRear Derailleur:microsShift ADVENTWeight:55 lbs. - Top Rated
Co-op CyclesDRT 4.1 Fat-Tire Mountain Bike
$1,198.93Save 20%compared to $1,499.00Wheel Size:26 in.Frame Material:AluminumTire Width:4.8 in.Rear Derailleur:SRAM SX EagleWeight:39 lbs. SalsaRangefinder Deore 11-Speed 29 Mountain Bike
$949.93Save 13%compared to $1,099.00Wheel Size:29 in.Frame Material:AluminumFork Travel:120 mmRear Derailleur:Shimano DeoreSalsaCassidy SLX Mountain Bike
$2,499.93Save 28%compared to $3,500.00Wheel Size:29 in.Frame Material:AluminumFork Travel:180 mmRear Derailleur:Shimano SLXCannondaleHabit 3 Mountain Bike
$2,995.00Wheel Size:27.5 in., 29 in.Frame Material:AluminumFork Travel:140 mmRear Derailleur:SRAM NX EagleCannondaleHabit HT 2 Mountain Bike
$1,350.00Wheel Size:29 in.Frame Material:AluminumFork Travel:130 mmRear Derailleur:microsShift ADVENTCannondaleHabit Carbon 1 Mountain Bike
$5,550.00Wheel Size:27.5 in., 29 in.Frame Material:CarbonFork Travel:140 mmRear Derailleur:SRAM GX Eagle LunarSalsaHorsethief Deore 12 Mountain Bike
$2,500.00Wheel Size:29 in.Frame Material:AluminumFork Travel:140 mmRear Derailleur:Shimano DeoreDiamondbackYowie 1 Mountain Bike
$2,169.93Save 30%compared to $3,100.00Wheel Size:29 in.Frame Material:AluminumFork Travel:130 mmRear Derailleur:SRAM SX EagleWeight:31 lbs. 9.6 oz.SalsaHeyday! C Deore 12 Fat-Tire Bike
$3,299.00Wheel Size:26 in.Frame Material:CarbonTire Width:4.6 in.Rear Derailleur:Shimano DeoreWeight:31 lbs. 9 oz.SalsaBeargrease C XT Fat-Tire Bike
$3,999.00Wheel Size:27.5+ in.Frame Material:CarbonTire Width:4.0 in.Rear Derailleur:Shimano DeoreSalsaBeargrease C Cues 11 Fat-Tire Bike
$2,899.00Wheel Size:27.5+ in.Frame Material:CarbonTire Width:4.0 in.Rear Derailleur:Shimano CUESTernOrox S12 Electric Bike
$6,599.00E-Bike Classification:Class 1Battery Capacity:725 WhWheel Size:27.5 in.Brake Type:Hydraulic DiscGears:12 gear(s)CannondaleMoterra Carbon LT 2 Electric Mountain Bike
$5,250.00E-Bike Classification:Class 1Battery Capacity:Bosch PowerTube 750 WhWheel Size:29 in.Fork Travel:170 mmRear Derailleur:Shimano XTSalsaSpearfish SLX 29 Mountain Bike
$3,499.00Wheel Size:29 in.Frame Material:AluminumFork Travel:120 mmRear Derailleur:Shimano SLX
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Frequently asked questions about mountain bikes
Mountain Bikes
Mountain bikes are designed specifically to ride on rough terrain and can handle dirt trails, roots and rocks. They're often built with shock-absorbing features like suspension systems and made of sturdy materials to hold up with harder riding. There are also models specifically designed for women and kids.
The main things to consider when picking which mountain bike to get are: your riding style, key features and fit.
Types of Mountain Bikes
- Trail bikes: This is arguably the most common mountain biking style because the category isn’t grounded in any specific type of racing. If you’re interested in meeting up with friends at the local trailhead and riding a mixture of climbs and descents, then this is the style for you. Bikes in this category place equal emphasis on fun, efficiency and sensible overall weight.
- Cross-Country: This style of riding typically implies riding fast, with an emphasis on climbing prowess. Distances vary from just a few miles to 25-plus, and bikes tend to focus on efficiency and low weight. These bikes can be great if you’re considering getting competitive or would like a racier ride for your local trails.
- Fat Tire Bikes: Oversize tires, from 3.7 in. to 5+ in. wide, give these bikes excellent traction, especially in sand or snow. Fat-tire bikes are great for beginners because the wide tires are reassuringly forgiving as a rider picks a line through rough terrain.
- All Mountain Bikes: Think of all-mountain riding as trail riding on steroids, with bigger leg-burning climbs, longer, scarier descents and more technical features—both man-made and natural. Bikes for all-mountain riding are designed to perform well on steep descents while also being light and nimble enough to pedal uphill.
Mountain Bike Suspension Styles
You'll also need to consider what type of suspension you want. You can save money with limited suspension, but you'll have a less comfy ride.
- Rigid: No suspension. It's least expensive but least comfortable.
- Hardtail: A front suspension fork absorbs some shocks, but there's no rear suspension. These are popular for cross-country riding.
- Full suspension: Has suspension in front and back making for a gentler ride.
More to Consider
Next, think about what features you'll need. Bikes come with different tire sizes to balance traction and speed depending on your conditions. Your gearing also depends on your type of riding. Disc brakes have become standard for mountain bikers.
Once you've selected your ride, be sure to take a look at mountain bike accessories like helmets, shoes, shorts and tires.
Why Shop at REI
REI carries mountain bikes by top brands like Cannondale, Salsa and our own Co-op Cycles. We're here to help you get the best fit, and our certified bike techs can keep your steed in shape.