Save Up to 60% Off Road Bikes Save Up to 60% Off Mountain Bikes Save Up to 60% Off Kids Bikes Save Up to 60% Off Beach Cruiser Bikes Save Up to 60% Off Hybrid Bikes Save Up to 60% Off Womens and Ladies Bicycles Save Up to 60% Off Electric Bicycles and EBikes Save Up to 60% Off New Bikes  
See Bikesdirect.com Reviews at Bizrate.com home ship info security faq better business bureau Top Rated Customer Reviews Newsletter Email Alerts NO SALES TAX Collected 47 States Free SHIP48US purchase with secure transactions Satisfaction Guranteed Contact Us Save Up to 60% Off New Bikes

*ALL BIKES FREE SHIP 48 USA
Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders
THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels)
Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding
*ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding *ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding

This page has
Monster3 ONE Speed Bikes

For Monster3
7 Speed Bikes

Click HERE

Boys 26in Matte Black and Boys 20in Bicycles
Girls 20in SeaFoam and 24inch Girls Bikes
*ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding *ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding *ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding
Boys 24in Matte MarineBlue
Boys 20in, 24in and 26in Matte Black Bicycles
Girls 24in SatinBarbie Pink (Also in 20in and 26in)
*ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding *ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding *ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding *ALL BIKES FREE SHIP48USUS, NO SALES TAX Collected 47 States Bike Shop Quality Aluminum Fat Tire MTB Fat Bikes for Lil' Riders Available in THREE Wheel Sizes to Fit Most (20inch, 24inch or 26inch Wheels) Gravity Monster3 One Speed Fat Bikes with up to 3 inch Tires for Town, Neighborhood or Trail Riding
Girls 20in (shown) 24, 26in ClearBlue Bikes
Boys/Mens 26in MatteGray Bikes
Girls/Ladies 24 or 26in (shown) SatinOxford Blue
Boys 20in SaffireBlue Bikes
Tens of Thousands of Happy BikesDirect.com Customers Love their Gravity Kids Bicycles. Here are some pictures and videos they have sent.
Fits 5 to 8YRS, 20inch Wheel Bikes Gravity Nugget Save Up to 60% / Compare $499 Powerful FR/RR VBrakes Multi Speed | SALE $199 Fits 5 to 8YRS, 20inch Wheel Cruisers Gravity Salty Dog Save Up to 60% / Compare $399 SUPER FAT TIRES SIngle Speed | SALE $179 Click Here to Save Up To 60% Fits 5 to 8YRS, 20inch Wheel Bikes Gravity SuperFast Save Up to 60% / Compare $499 Powerful VBrakes SIngle Speed | SALE $199 Click Here to Save Up To 60%
Tens of Thousands of Happy BikesDirect.com Customers Love their Gravity Kids Bicycles. Here are some pictures and videos they have sent.
Fits 5 to 8YRS, 20inch Wheel Bikes Gravity Nugget Save Up to 60% / Compare $499 Powerful FR/RR VBrakes Multi Speed | SALE $199 Fits 5 to 8YRS, 20inch Wheel Cruisers Gravity Salty Dog Save Up to 60% / Compare $399 SUPER FAT TIRES SIngle Speed | SALE $179 Click Here to Save Up To 60% Fits 5 to 8YRS, 20inch Wheel Cruisers Gravity Salty Dog Save Up to 60% / Compare $399 SUPER FAT TIRES SIngle Speed | SALE $179 Click Here to Save Up To 60%

Click For: Sizing Guide | Detailed Specs | Gallery Pics
Note: Pics for illustration see specs below

×
SALE From $249 (Compare $549+)
BREAKING NEWS: 1: Shipping NOW, This is a 2023 bike! 2: Beat the price increase, order now. Will go up due to inflation, massive increases in parts cost and freight charges. GOOD NEWS: Order Now and lock in at that price even if our cost rises.
Add to Cart and Check Out Now Before PRICE RISES

Single Speed Kids Fat Tire Aluminum Bikes, Mini FatBikes for Lil' Riders

2025 Gravity
Monster3 One Spd
Lil' Rider Sizes
CYBER HOT SALE
ONLY $249 or $279
See Pull Down For Prices
(Compare at $549 and Up)
Instock Limited Qtys
+ FREE SHIPPING*
Ships Sig Req'd

Smooth Single Speed Drivetrain
Powerful Coaster Brakes
Light / Durable Aluminum Bikes
Comfy Super Wide Tires
 FREE KICKSTAND
Light/Strong Aluminum Rim Wheels

Save up to 60% Off List Prices
Buy Factory Direct from Bikesdirect
Compare at $549

Use pull-down below to select size/color. PullDown May Show Sold Out Sizes. Cart Doesn't Reserve Items. Select Size, Then Checkout. Don't See Size/s? Get Restock Emails Click HERE

20 inch wheel size For MOST KIDS 5 TO 8* Sizing Guide Click HERE
FREE SHIP48USUS Ships Now
20Inch Boys or Girls Only $249
pp

24 inch wheel size For MOST KIDS 8 TO 12* Sizing Guide Click HERE
FREE SHIP48USUS

24Inch Boys or Girls Only $279
FREE SHIP48USUS

Want More Kids Sized MTB's? Check out the Gravity Basecamp 13in Click HERE
pp
26inch wheel size For MOST Riders 12 and UP* Sizing Guide Click HERE
FREE SHIP48USUS Ships Now
26Inch Standard or LoStepThru Only $279
pp
We accept Visa/MC/Disc/Amex. PayPal is optional
mc visa disc amx pp
Price Includes Ground Shipping
to 48 United States
(5 to 7 Day Delivery) (AK/PR/HI addtl charges)
(Email us for Delivery to PO Box/APO/FPO)
Follow BikesDirect On FaceBook
Follow BikesDirect On FaceBook
Pay with US Issued Visa, MC, Disc, AMEX Cards. Paypal Is Optional
Bikes come up to 90 percent assembled. Assembly is Easy. An 11 year old customer assembled their own bike. Check out his video: CLICK HERE.How much Assembly? CLICK HERE for sample assembly instructions and videos CLICK HERE for a special price on the full Video DVD/CD and Folding Mini ToolKit
If you don't feel confident working on your bike, we suggest you take it to a local bike shop for final assembly & safety checks.

As Low As $249.95 plus FREE SHIPPING via Ground Shipping is included to the 48 States

The Ultimate Kids Super Fat Tire Monster Bikes....Now Finally Sized for Your Lil' Riders

The best things about the Gravity Monster3 Kids Fat Tire MTB FatBikes are comfort, convenience, safety and strength.

Comfort
 The Super Wide Tires Look Awesome and are Super Stable. (Up to 3 inch WIde!) Plus Comfy cushioned saddles and upright BMX style bars - now that is comfort and control.

Convenience
 The Free rear mounted kickstand means easy parking. Features simple and reliable 1X drivetrain

Safety
 Foot activated Coaster Brake provides great braking. Pedal backwards to brake.

Strength
 The precision welded Aluminum frame is Light, Strong and Durable.

Amazing mini super fat tire mtb / Fat bikes with the quality of the more expensive bike shop bikes on the market. 
Quality kids mountain and fat bikes in shops are pretty pricey and now YOU can have the best on the market. Priced about half as much as the 'bad guys' (everyone except bikesdirect.com) are selling their kids aluminum mtb/ fatbikes for.

Three Sizes Available - In traditional boys frames with high top bar or girls frames with step-through/lower top bar.
a 20 inch wheel size For MOST KIDS 5 TO 8 is only $249.95 + FREE SHIP48USUS
a 24 inch wheel size For MOST KIDS 8 TO 12. is only $279.95 + FREE SHIP48USUS
a 26 inch wheel size For MOST Riders 12 and UP is only $279.95 + FREE SHIP48USUS

Monster3 Standover
Standard 26in frame: approx 27 inches and will rise towards the head tube.
Step through 26in frame: approx 20 inches and will rise towards the head tube.
The 24 inch model will be about 1 inch lower and also rise towards the head tube

*You know your child best; level of skill and size compared to their class mates. Most kids 13 and up can generally ride the 26 inch and small adult bikes, The final choice is up to you.

FREE SHIPPING via Ground Shipping is included to the 48 States

Frame  Custom Formed TIG Welded 6061 Aluminum Front Triangle. Aluminum Rear Triangle
Fork/ Headset GRAVITY CRMO FORK (Clearance for Up to 3 Inch Wide Tires) / VP BallBearing Headset
Stem Black Finish Aluminum Threadless 60mm
Handlebars Mini BMX Style Riser with Cross Bar, ALLOYSTEEL BLACK
Brakes Rear Coaster Brake in Rear Hub
Hubs Gravity by Formula, Ball Bearing with QR Front Axle, Rear 1-speed
Rims Gravity Alloy Single Wall Aluminum, Steel Spoke
Spokes CP Steel
Chain/ Cassette 1 speed KMC/ Single Speed Cog
Crank/Bottom Bracket/ Derailleur / Shifter HDL MTB with Chainring and ChainGuide / SQUARE Taper
Saddle MTB Saddle with Deluxe Comfy padding
Seatpost Black Finish Aluminum Mountain 27.2mm Seatpost, QR seatpost clamp
(insert min 2 inches below lowest top tube weld / maintain clamp collar tightness)
Pedals Mountain Platform, 9/16 inch axle
Tires SuperWide BlackWall + bonus Rear Mount Kickstand
Colors See Order pull down for current seasonal color selection
Sizes/Guide

26 inch wheel size For MOST Riders 12 and UP
24 inch wheel size For MOST KIDS 8 TO 12
20 inch wheel size For MOST KIDS 5 TO 8
You know your child best; level of skill and size compared to their class mates. Most kids 13 and up can generally ride small adult bikes, The final choice is up to you.
Compare at $549 bikesdirect.com price as low as $249.95
Bikes come up to 90 percent assembled.  
We suggest you take it to your local bike shop for final assembly & safety checks.

click for more road bikes click for more mountain bikes click for more comfort bikes click for more cruiser bikes click for more hybrid bikes click for womens bikes join newsletter for deals and notifications Shipping Details, free ship to 48 states satisfaction guarantee info online security info about bikesdirect store policies customer reviews shipping faq and info warranty info assembly instructions footer navigation