Co-op Cycles REV 20 6-Speed Plus Kids' Mountain Bike
Keeping it light, simple and stable, the Co-op Cycles REV 20 6-speed bike has plus-size tires and disc brakes to give kids the traction, stopping power and confidence to learn the joys of singletrack.
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- Designed to fit kids 3'7"–4'4" (typically ages 6–10) with an inseam length of 21–25 in.; see size chart for detailed buying guidance
- 6061 aluminum frame is light, strong and easy to manage
- 6-speed drivetrain is controlled with a single, intuitively easy-to-use Shimano RevoShift twist shifter; a flick of the wrist changes gears for easy pedaling
- Mechanical disc brakes provide quick response and sure stopping power
- Extra-wide, 2.6 in. all-terrain tires soften the little bumps and stick to the trail for a smooth, stable ride
- Bicycle weight limit is 80 lbs. total, including rider + all gear carried on the bike and on the rider's body
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Mountain Biking |
|---|---|
| Frame | 6061 aluminum |
| Mountain Bike Style | Trail |
| Bike Suspension | No Suspension |
| Fork | Aluminum |
| Crankset | Alloy, 3-piece, 30T |
| Bottom Bracket | Cartridge |
| Shifters | Shimano Tourney RevoShift twist |
| Rear Derailleur | Shimano Tourney |
| Rear Cogs | Shimano Tourney, 14-28T, 6-speed |
| Number of Gears | 6 gear(s) |
| Brake Type | Mechanical Disc Brake |
| Brakes | Tektro mechanical disc |
| Rims | Alloy, double-wall |
| Front Hub | Joytech, 36h |
| Rear Hub | Joytech, 36h |
| Wheel Size | 20 inches |
| Tires | 20 x 2.6 in. |
| Tire Width | 2.6 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | Aluminum |
| Stem | Alloy |
| Seat Post | Alloy |
| Saddle | Co-op Cycles |
| Pedals | Composite platform |
| Headset | Semi cartridge |
| Chain | KMC |
| Weight | 24 lbs. 6 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Kids' |
| Sustainability | From a Climate Label Certified brand |
| 20 IN | |
|---|---|
| Reach | 305 |
| Stack | 423 |
| Effective Top Tube | 450 |
| Seat Tube Center-Top | 255 |
| Standover Height | 532 |
| Head Tube Angle (degrees) | 69 |
| Seat Tube Angle (degrees) | 71 |
| Wheelbase | 863 |
| Chainstay | 365 |
Sizing Notes
Measurements are stated in millimeters or degrees unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
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Customer Images
Worthy Contender in the 20” MTB Realm
Big bang for your buck (especially during current member sale)! Unapologetically picky, I found this model to look great and offer most of what a youngster needs at this level. THE GOOD: •Aluminum frame and fork •Frame welds and paint…impeccable. Fantastic color •Tires are super beefy, with thick sidewalls so they can be run on lower pressure •Shimano Tourney rear shifter-deralleur, cassette, short stout stem •Tektro Disc Brakes (mechanical) •Cartridge BB and 3 piece crank THE NOT SO GOOD: •Twist Shift (no bueno for little kids…go trigger shifters) •The weight: 24+ lbs All that to say, it’s still a great deal straight out of the box. Will we squeeze a 7 spd cassette with a 34T and trigger shifters? Yes. Do we need the weight of a suspension fork? No, not for this age/weight of rider. If necessary could you go crazy with lighter components to get the weight below 20lbs? Yes. Is it necessary? Nope! Turn the kid loose and watch the smiles!
Great bike
Great bike, and reasonably priced compared to its competitors. My 7 year old put 70 miles on it her first long weekend, and couldn’t get enough of the single track!
First mountain bike for a petite 6 year old
Our very athletic small fry needed a legit bike that had gears and could handle a trail. Enter this aluminum frame 6 gear badass tired bike….we’re all very happy. Suspension would have been icing on the cake but were not interested in spending $500+ right now. Our kiddo is 43 inches tall and the seat lowered enough to fit her. Mike at the CO Springs location assembled and fitted the bike for safe riding. Good purchase
Good bike with surprises
Solid bike. Kid loves it. I was honestly surprised by a few things. The website said this would arrive in 3 days, it arrived in 14. The derailleur and front brake needed adjustment out of the box. This was fine for me but some folks would have needed a bike shop for this. Both are moot points if you are buying this at the store.
this is an amazing bike for kids.
I told my son that if he could learn to ride a bike before Labor Day I would buy him a bike. Sunday afternoon I come home to him riding around the block so off to REI we go. He has not gotten off of this bike since then. He loves it!! The only complaint I have is that the paint has rubbed off where the brake cables rub.
Great bike!
Great bike for our 7 year old on the farm. Good balance of price, off road capability, sturdiness and quality.