Mountain Bikes
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Bikes
(194 products)Products (194)
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- Sale Ends Nov 25
STRIDER12 Sport Kids' Balance Bike
$103.99Save 20%compared to $130.00 - Sale Ends Dec 9
Co-op CyclesCTY e3.1 Electric Bike
$3,479.39Save 40%compared to $5,799.00 - Sale Ends Nov 25Top Rated
STRIDER14X Sport Balance Bike - Kids'
$175.99Save 20%compared to $220.00 - Sale Ends Nov 25
STRIDER12 Pro Kids' Balance Bike
$143.99Save 20%compared to $180.00 - Sale Ends Dec 9
Co-op CyclesDRT 3.1 Mountain Bike
$1,559.39Save 40%compared to $2,599.00 
Meet 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 Cycles- Sale Ends Dec 9
Co-op CyclesDRT 3.3 Mountain Bike
$2,039.39Save 40%compared to $3,399.00 Co-op CyclesDRT 1.1 Mountain Bike
$478.93Save 20%compared to $599.00Co-op CyclesDRT 1.0 Mountain Bike
$478.93Save 20%compared to $599.00Pure CyclesCoaster Bike
$299.93Save 30%compared to $429.00CannondaleQuick 6 Bike
$530.00- Top Rated
Co-op CyclesCTY 2.1 Step-Through Bike
$799.00 Co-op CyclesADV 1.1 Bike
$1,018.93Save 40%compared to $1,699.00- Top Rated
Co-op CyclesREV 24 Kids' Mountain Bike
$439.00 - Top Rated
Co-op CyclesADV 2.2 Bike
$1,478.93Save 20%compared to $1,849.00 - Top Rated
Co-op CyclesDRT 1.2 Mountain Bike
$999.00 Co-op CyclesCTY 1.1 Step-Through Bike
$599.00- Top Rated
Co-op CyclesREV 20 6-Speed Plus Kids' Mountain Bike
$399.00 
Co-op CyclesREV 16 Kids' Bike
$249.00Co-op CyclesCTY 1.1 Bike
$599.00Co-op CyclesREV CTY 24 Kids' Bike
$399.00- Top Rated
ElectraLoft 7D Step-Over Bike
$349.93 - $500.00 CannondaleTreadwell 2 Bike
$639.93Save 20%compared to $800.00- Sale Ends Dec 31
ElectraTownie Go! 7D Step-Over Electric Bike
$1,399.99Save 17%compared to $1,700.00 - Sale Ends Dec 24
CannondaleTesoro Neo X 3 Electric Bike
$2,639.99Save 20%compared to $3,300.00 - Sale Ends Dec 24
ElectraBali Cruiser Go! Electric Bike
$1,299.99Save 27%compared to $1,800.00 - Sale Ends Dec 24
ElectraKakau Cruiser Go! Electric Bike
$1,299.99Save 27%compared to $1,800.00 - Sale Ends Dec 24
CannondaleTopstone 3 Bike
$1,119.99Save 20%compared to $1,400.00 - Top Rated
TernLink C8 Folding Bike
$849.00 - Sale Ends Dec 24Top Rated
CannondaleTopstone 2 Bike
$1,599.99Save 20%compared to $2,000.00 - Sale Ends Dec 31Top Rated
ElectraTownie Go! 7D Step-Thru Electric Bike
$1,399.99Save 12% - 17%compared to $1,600.00 - $1,700.00
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About Bikes
Looking to upgrade your ride? New to biking and not sure where to start or which kind of bike you should get? REI Co-op will help you find happiness on two wheels.
Types of Bikes
Picking a bike comes down to three main factors: what type of riding you plan to do, what kind of performance you want out of your bike and finding the one that fits you best.
Here's a look at some of our most popular types of bikes:
- Road bikes: meant for riding on paved roads and bike paths. They tend to be lightweight and encourage an aerodynamic riding position.
- Mountain bikes: built with lower gears and cushier tires, mountain bikes are built for dirt trails and rock. Suspension systems help absorb bumps and smooth out your ride.
- Hybrid bikes: offering a bit of everything, hybrid bikes are great options for casual riding, commuting or riding smoother dirt and gravel paths.
- Kids' bikes: the options for kids' bikes today are greater than ever, including balance bikes, mountain bikes and bikes with training wheels.
- Electric bikes: available for road or on the mountain, e-bikes have become wildly popular in the last few years.
Depending on the type of riding you want to do, you'll need to decide on frame material (like carbon or aluminum), gearing and brake type.
Once you've selected your bike, you'll want to think about what to wear. Shop REI's selection of bike clothes, including shorts and gloves. And don't forget the most important piece of equipment: a bike helmet. For the off season, consider an indoor bike trainer.
Get more advice on how to choose a bike.
Why Shop at REI
REI knows bikes. See our library of cycling articles and videos, including expert advice to answer all your bike questions. We offer top brands like Cannondale, Salsa and Electra as well as our own line of Co-op Cycles. We also offer a wide range of colors like pink, yellow and purple. REI offers a 100% satisfaction guarantee and members receive exclusive deals and bike maintenance services.