What are some popular brands for kids' mountain bikes at REI?

The top brands for kids' mountain bikes include: Cannondale woom Rocky Mountain Co-op Cycles Browse our selection of top outdoor gear and apparel brands.

How can I earn a Co-op Member Reward on my kids' mountain bikes purchase?

REI Co-op Members get 10% back annually on every eligible purchase, including most full-priced kids' mountain bikes. (10% is typical but not guaranteed.) To earn or redeem rewards, buy a one-time $30 lifetime membership, or sign in as a member. See details about the Co-op Member Reward .

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Kids' Mountain Bikes

(21 products)

Products (21)

Sort: Best Match

Sale Ends May 26
Top Rated
Co-op CyclesREV 20 6-Speed Plus Kids' Mountain Bike
$319.19
Save 20%
compared to $399.00
9 reviews with an average rating of 4.8 out of 5 stars
Wheel Size:
20 in.
Child Inseam:
21 - 25 in.
Bike Suspension:
None
Brake Type:
Mechanical Disc
Sale Ends May 26
Co-op CyclesREV DRT 24 Kids' Mountain Bike
$423.19
Save 20%
compared to $529.00
8 reviews with an average rating of 3.4 out of 5 stars
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
Front
Brake Type:
Hydraulic Disc
CannondaleTrail 26 Kids' Mountain Bike
$699.00
6 reviews with an average rating of 4.3 out of 5 stars
Wheel Size:
26 in.
Child Inseam:
26+ in.
Bike Suspension:
Front
Brake Type:
Mechanical Disc
CannondaleTrail Plus 24 Kids' Mountain Bike - Mantis
$550.00
1 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
None
Brake Type:
Mechanical Disc
CannondaleTrail 24 Kids' Bike
$599.00
4 reviews with an average rating of 3.5 out of 5 stars
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
Front
Brake Type:
Rim
woomOFF 5 Kids' Mountain Bike
$899.00
1 reviews with an average rating of 1.0 out of 5 stars
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
None
Brake Type:
Hydraulic Disc
CannondaleTrail 16 Single-Speed Kids' Mountain Bike - Electric Blue - Coaster Brake
$350.00
1 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
16 in.
Child Inseam:
18 - 22 in.
Bike Suspension:
None
Brake Type:
Coaster, Rim
Rocky MountainGrowler Jr 24 Kids' Mountain Bike
$869.00
0 reviews
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
Front
Brake Type:
Mechanical Disc
Rocky MountainGrowler Jr 26 Kids' Mountain Bike
$899.00
0 reviews
Wheel Size:
26 in.
Child Inseam:
26+ in.
Bike Suspension:
Front
Brake Type:
Mechanical Disc
CannondaleTrail Plus 20 Kids' Bike
$599.00
2 reviews with an average rating of 4.0 out of 5 stars
Wheel Size:
20 in.
Child Inseam:
21 - 25 in.
Bike Suspension:
None
Brake Type:
Mechanical Disc
woomOFF AIR 4 Kids' Mountain Bike
$1,099.00
3 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
20 in.
Child Inseam:
21 - 25 in.
Bike Suspension:
Front
Brake Type:
Hydraulic Disc
woomOFF AIR 6 Kids' Mountain Bike
$1,299.00
1 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
26 in.
Child Inseam:
26+ in.
Bike Suspension:
Front
Brake Type:
Hydraulic Disc
Rocky MountainGrowler Jr 20 Kids' Mountain Bike
$839.00
0 reviews
Wheel Size:
20 in.
Child Inseam:
21 - 25 in.
Bike Suspension:
Front
Brake Type:
Mechanical Disc
woomOFF 4 Kids' Mountain Bike
$849.00
3 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
20 in.
Child Inseam:
21 - 25 in.
Bike Suspension:
None
Brake Type:
Hydraulic Disc
woomOFF AIR 5 Kids' Mountain Bike
$1,199.00
3 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
Front
Brake Type:
Hydraulic Disc
CannondaleTrail 20 Single-Speed Kids' Mountain Bike - Chlorine Blue
$365.00
1 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
20 in.
Child Inseam:
21 - 25 in.
Bike Suspension:
None
Brake Type:
Rim
woomOFF 6 Kids' Mountain Bike
$949.00
0 reviews
Wheel Size:
26 in.
Child Inseam:
26+ in.
Bike Suspension:
None
Brake Type:
Hydraulic Disc
woomUP 6 Kids' Electric Mountain Bike
$3,999.00
0 reviews
Battery Capacity:
250 Wh
Wheel Size:
26 in.
Fork Travel:
90 mm
Rear Derailleur:
SRAM NX
Weight:
37 lbs.
woomUP 5 Kids' Electric Mountain Bike
$3,799.00
0 reviews
Battery Capacity:
250 Wh
Wheel Size:
24 in.
Fork Travel:
80 mm
Rear Derailleur:
SRAM NX
Weight:
35 lbs. 4.8 oz.
CannondaleTrail 16 Single-Speed Kids' Mountain Bike - Destiny Pink - Coaster Brake
$350.00
2 reviews with an average rating of 5.0 out of 5 stars
Wheel Size:
16 in.
Frame Material:
Aluminum
Tire Width:
2.25 in.
CannondaleTrail Plus 24 Kids' Bike - Deep Teal
$599.00
0 reviews
Wheel Size:
24 in.
Child Inseam:
24 - 28 in.
Bike Suspension:
None
Brake Type:
Mechanical Disc