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Co-op Cycles 20 Inch Wheel Bikes
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- Sale Ends May 25Co-op CyclesREV 20 Kids' BikeTop Rated$263.19Save 20%compared to $329.00(55)55 reviews with an average rating of 4.6 out of 5 stars
- Sale Ends May 25Co-op CyclesREV 20 6-Speed Plus Kids' Mountain BikeTop Rated$367.19Save 20%compared to $459.00(15)15 reviews with an average rating of 4.8 out of 5 stars
LoremLoremGet $130 in value
When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.
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Related Expert Advice articles
Ready for a new bike? Before you shop, learn about all the different types of bicycles, plus cost factors, key components and fit considerations.
Which features matter the most to you?
Most bike computers are wireless and GPS-enabled with customizable displays.
Other features to consider:
- Wireless: Many bike computers now communicate wirelessly
- Smart device notifications: Receive notifications for text messages, calls, social apps and more
- GPS tracking: Advanced models connect to multiple GPS satellite systems for fast, precise tracking
- Solar-powered: Extends run time for longer rides
- Cycling functions: Most units tracks speed and distance; more advanced ones may include elevation, cadence and heart rate
Types of bike helmets
- Mountain bike: Rear-head coverage for off-road trails; often includes added ventilation
- Road bike: Lightweight, aerodynamic; designed for maximum airflow
- Recreational cycling: Budget-friendly choice for casual riding
Fit tips
- Measure the largest part of your head with a flexible measuring tape (or use string, then measure it)
- Check the brand's sizing chart
- Aim for a snug fit
- Between sizes? Choose the smaller size
Added protection
Look for technologies that reduce rotational forces during a crash, like Mips, WaveCel or KinetiCore.
Features
- Vents: More vents improve airflow and reduce weight
- Visor/brim: Keeps the sun out of your eyes
- Chin bars: Extra protection for downhill mountain biking
Learn what to look for in a touring bike, including geometry, materials, wheels, tires, gearing, brakes and other features.
What type of riding?
- Recreational cycling: Wider saddles with plush padding or springs; ideal if you sit more upright while pedaling
- Mountain biking: These saddles have padding for your sit bones, a durable cover and a streamlined shape that will aid your movement
- Bike touring: Saddles for bike touring provide cushioning for your sit bones and a fairly long, narrow nose.
- Bike commuting: Saddles that are good for commuting have some padding, but generally not too much.
- Road cycling: Saddles tend to be long and narrow with minimal padding for the best power transfer
Saddle type
- Cushioning: Shorter and wider with plush padding or springs to absorb bumps in the road
- Performance: Long and narrow with minimal padding to create maximum power transfer and reduce chafing
Cushioning material
- Gel: Molds to your body and provides the plushest comfort but compacts more quickly than foam
- Foam: Offers a pliable feel that springs back to shape; provides more support than gel while still delivering comfort
- No cushioning: Saddles with leather or cotton covers will break in with frequent riding and mold to your shape
Our list of favorite mountain bikes at REI includes full-suspension rides and hardtails, as well as options with 29-inch and 27.5-inch wheels.
Read full article: The 6 Best Mountain Bikes of 2025: Staff Picks

















