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BBB A+Rated
Gravity FSX 24 Kids MTB Size Guide
24 inch wheel size: for most kids 8 to 12*
Standover measured 1" front of saddle: 25.4 inches
*You know your child best; skill level and size compared to classmates matter. Most kids 13 and up can generally ride small adult bikes. The final choice is up to you.
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Best things about the GravityFSX 24 Full Suspension Kids Bikes are comfort, convenience, safety and strength. Finally, top-rated FSX advanced single pivot full suspension design for Lil'Riders.
Comfort: FULL SUSPENSION Front + Rear, Wide MTB Tires, Comfy cushioned seat - now that is comfort.
Convenience: Features Shimano 1X drivetrain, single lever shifting, similar to top of the line Mountain bikes.
Safety: Front and Rear DISC Brakes provide great braking.
Strength: Precision welded Aluminum frame is Light, Strong and Durable.
Amazing mini full suspension mountain bikes with the quality of the more expensive bike shop bikes on the market. Quality kids mountain bikes in shops are pretty spendy. Now YOU can one priced about half as much as most anywhere else.
What is the best deal for a kids full suspension 24 inch mountain bike?
Customers choose the Gravity FSX 24 for a small-rider friendly full suspension design, aluminum frame, Shimano 7-speed shifting, front and rear disc brakes, and strong value at the sale price.
Built for town, neighborhood, trail riding and kids MTB fun, with 24x2.1 MTB tires and a comfortable full-suspension setup sized for many riders age 8 to 12.
TOP REVIEWS Customers have shared photos and feedback showing kids enjoying their FSX24 bikes in real riding conditions.
Key Features:
Frame: 24" wheel, advanced single pivot full suspension, custom formed TIG welded 6061 aluminum front triangle with aluminum rear triangle and replaceable derailleur hanger
Rear Suspension: KS-260 alloy body rear shock with black spring
Fork: Gravity 24" suspension fork
Drivetrain: Smooth and Reliable Shifting Shimano SIS 7-speed shifter and Shimano 7-speed rear derailleur with 14-28T freewheel
Brakes: Powerful Tektro Novela front and rear disc brakes with 160mm rotor
Wheels/Tires: 24" double-wall aluminum rims with 24x2.1 MTB tires
Use: town, neighborhood, trail riding and kids MTB fun
| Model | Gravity FSX 24 |
Mongoose Status 24" |
Polygon Syskiu D24 |
Marin Rift Zone Jr 24" |
|---|---|---|---|---|
| Price | $299 | $430 | $1299 | $1899 |
| Weight* | 33.3 lbs | 34.5 lbs | 30 lbs | 28.6 lbs |
| Disc Brakes | YES | NO | Yes | Yes |
| Full Aluminum Front+Rear | YES | NO (steel rear) | Yes | Yes |
| *Weights vary +/- 5% depending on size / production, best prices found Aug 2026. | ||||
| Size | 24in | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Head Tube Angle | 69 | ||||||||
| Seat Tube Angle | 73.5 | ||||||||
| Head Tube Length (mm) | 120 | ||||||||
| Effective Top Tube (mm) | 520 | ||||||||
| Chainstay (mm) | 410 | ||||||||
| Standover (inch) | 25.4 | ||||||||
| Inches and mm where indicated | |||||||||
