The Mongoose Mode 540 is designed after a pro BMX bike with a cromoly frame, rear alloy U-brake, double wall rims and 25x9 micro gearing with three-piece tubular cranks completing the drivetrain. Its 3/8-inch axles and an internal headset add to the durability making the Mode 540 ready for anything you can throw at it.


Great news! If you select Site to Store delivery, you can call your local store as complimentary assembly may be offered at that location.
Your child will enjoy riding around with this 20" Mongoose Mode 540 Boys' Freestyle Bike. This bike is suitable for ages 6-11 years. A helmet, and knee and elbow pads should always be worn for safety. Give your child the gift of sport with the freestyle bike.


20" Mongoose Mode 540 Boys' Freestyle Bike, Gray:
Steel bike frame: cromoly freestyle frame
Single speed bike
Gearing: 25x9 micro drivetrain
Cranks: 3-piece tubular cranks
Brakes: rear U-brake with front brake deleted
Wheels/tires: 20" wheels
Rims: double wall alloy rims
Axle: 3/8" axle and internal headset for added strength and longevity
Handlebars: steel handlebars
Seat: ultra-light unified saddle/post combo
Pedals: standard pedals
Assembly required
Dimensions: 56.5"L x 28.5"W x 36.5"H