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return to shopFRP Gas Mini Bikes
Gas Mini Bikes
for Adults, Teens & Kids
40cc to a Predator 212 build · up to 220 lb · 28 mph
100
8 colors · 3 packages
The one most adults buy
Gas Mini Bikes for Adults
24 mph. 220 lb. Pull and ride.
- 99cc 4-Stroke Power:Pure Gas, No Mixing Mess
- 220 lb Heavy-Duty Frame:Built for Teens and Adults
- Pull-Start + Auto Clutch:No Shifting, Just Twist and Go
- Predator 212-Ready:The Frame You Grow Into
From$399.99
100P
4 colors · 2.0 Heavy-Duty Rims
2026 Upgrade · 2.0 Heavy-Duty Rims
Off-Road Mini Bikes
Suspension, hydraulics, dirt — now on 2.0 heavy-duty rims.
- Front Suspension Fork:Trail Hits, Not Your Wrists
- Hydraulic Disc Brakes:One-Finger Stops on Loose Dirt
- 28 MPH 99cc 4-Stroke:165 lb Max Load Per Manual
- 2.0 Rims + Off-Road Tires:A Wider, More Planted Stance
$569.99
40
3 colors · Basic / Max
Where it starts
Kids Gas Mini Bikes
A kid's first throttle — 18 mph.
- 40cc 4-Stroke Engine:Pure Gas, No Mixing Mess
- 18 MPH Speed Cap:Learning Pace, Not Adult Pace
- Disc Brake + Kill Switch:Two Ways to Stop It Fast
- Twist-and-Go Automatic:No Clutch, No Gears, No Fear
From$239.99
100U
4 colors · Cargo / Tow / Both
The one that works
Utility Mini Bikes
Cargo rack. Tow bar. 24 mph.
- Front Steel Cargo Rack:Haul Coolers, Bags and Firewood
- Rear Tow Bar Option:Tow the Cart, Skip Trip Two
- Torque-Tuned 99cc:Geared for Loads, Not Laps
- ATV Jobs Without the ATV:Campsites, Fences, Property Runs
From$399.99
Real riders, real FRP
See it ridden.
Real FRP owners and riders — not studio shoots. Backyard laps, first rides, trail runs and 212 builds. Tap any clip to see how the bikes actually ride.
Side by side
Pick the right mini bike.
Swipe to compare →
| GMB100Most popular | GMB100POff-road | MB40Kids | GMB100UUtility | |
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| Pick this if… | You want the do-it-all adult bike — flat ground, top load rating, 212-swap ready. | The ground you ride is genuinely rough — rocks, ruts, roots, downhills. | You are buying a child their first bike and you want the speed capped. | The bike has to carry things, not just get ridden. |
| Rider & limit | Teens 12+ and adults 220 lb — the highest here | Teens and adults 165 lb | Kids 6–11 165 lb | Adults 185 lb |
| Engine & speed | 99cc 4-stroke 24 mph | 99cc 4-stroke 28 mph | 40cc 4-stroke 18 mph | 99cc 4-stroke 24 mph |
| Where it rides | Backyards, driveways, packed dirt roads. | Rocky climbs, gravel, root-laced trails. | Backyards, flat grass, driveways. | Farm tracks, campsites, crop fields. |
| What’s different | Rigid frame, no suspension. The simplest build in the line — least to maintain, highest load rating, Predator 212-ready. | Front suspension fork and hydraulic disc brakes. The most damping and stopping power in the line, on 2.0 heavy-duty rims. | Capped at 18 mph. Light enough for a child to pick up and hold, with a rear disc brake and an emergency kill switch. | Front steel cargo rack, standard. Torque-tuned rather than fast; rear tow bar optional across three configurations. |
| Add to Cart | Add to Cart | Add to Cart | Add to Cart |
Questions, answered
Mini bikes, explained.
How fast does a gas mini bike go?
The mini bike top speed by engine size varies by model. The 99cc GMB100 reaches 24 mph, while the GMB100P reaches 28 mph; the utility GMB100U is tuned for torque at 24 mph; and the 40cc kids' MB40 is geared to a controlled 18 mph. Drop a Predator 212 into the GMB100 frame and you go well beyond stock. Real top speed varies with rider weight and terrain.
Can an adult ride a mini bike? What's the weight limit?
Yes — use the adult mini bike size and weight guide to check rider fit. The 99cc GMB100 is rated to carry adults up to 220 lb, the GMB100U to 185 lb, and the GMB100P’s manual lists a 165 lb max load. If you're heavier than that or want more power, start with the GMB100 frame and build up to a 212cc for a bike sized to a bigger adult.
Are gas mini bikes street legal? Where can I ride one?
No — every FRP mini bike is EPA-certified for off-road use only, not street legal or registered for public roads. Check where to legally ride a mini bike, including permitted private property, trails, campgrounds, and off-road parks. (FRP mini bikes are not sold in California.)
How old do you have to be to ride a mini bike?
The mini bike age and rider-size guide explains why size and confidence matter as much as age. The 40cc MB40 is built for kids ages 6 and up at a controlled 18 mph with adult supervision. The 99cc GMB100, GMB100P and GMB100U are sized and powered for teens and adults.
Do you need a license for a mini bike?
No license is required to ride an FRP mini bike, because they're for off-road private-property use, not public roads. Always check your local rules before riding somewhere new.
Can I put a Predator 212 engine on an FRP mini bike?
Yes — the GMB100 Predator 212 upgrade roadmap explains the build path. The GMB100, GMB100P and the standalone GMB100 frame accept a Predator 212cc engine as a direct fit with no welding on the frame. The utility GMB100U is the exception — its vintage frame isn't optimized for the 212 swap, so start with the GMB100 or the frame if a build is the goal.
Do FRP mini bikes come assembled?
The complete bikes arrive 85% pre-assembled — usually just the handlebars, front fork, front wheel and fender, finished in under an hour with basic tools. The 40cc MB40 is riding in about 20 minutes. The GMB100 frame is the exception, sold bare for custom builds.
Gas or electric mini bike — which is better?
Gas means you refuel in seconds and keep riding instead of waiting on a charge — the GMB100 gets about 27 miles per tank, the GMB100P about 30. That's the FRP focus: real gas mini bikes built to last as long as the riding day does.
What's the difference between a mini bike and a dirt bike?
A gas mini bike has a low frame and small wheels, made for backyards, driveways and flat trails — easy to handle and easy to start on. The mini bike vs dirt bike comparison explains why dirt bikes use long-travel suspension and bigger wheels for jumps and rough trails. If you've outgrown a mini bike, see the FRP dirt bike collection.
Trusted by 865+ verified buyers
Why riders pick FRP.
Holds a real adult
The question buyers ask most is whether a mini bike can actually carry them. The 99cc GMB100 is rated to 220 lb at 24 mph; the GMB100P runs 28 mph with a manual-rated 165 lb max load. Both are built for grown teens and adults and rated 4.8/5 by 400+ riders.
Gas means no waiting
No battery, no charge time. Splash in gas and keep going — about 27–30 miles per tank, with the torque and runtime an electric mini bike can't match on a long afternoon.
A platform, not a dead end
Start on a 40cc, move up to a 99cc, then bolt a Predator 212 into the frame when you want to build. FRP mini bikes are made to grow with the rider — and take the upgrades.
Grow with the rider
Find your gas mini bike
Start where the rider is today. The next step will be waiting when they're ready for it.
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