Description
Shop Stealth Bomber turtle tires at Electric Dirt Bikes Direct for $120. These OEM 21 x 3.0 in tires use a flattened tread with a wider contact patch, giving long tread life and a smooth ride on pavement and gravel. They are the tire to choose if you split your riding between streets, bike paths where permitted and gravel roads.
Finished in black to match the factory look, they are a direct OEM fit for the Stealth Bomber. Order online with secure checkout or visit our showroom at 45-53 North St, Middletown, NY 10940.

Stealth Bomber turtle tires specifications
| Feature | Detail |
|---|---|
| Part | OEM turtle tires |
| Size | 21 in diameter x 3.0 in width |
| Tread | Flattened tread for a wider contact surface |
| Best for | Street and gravel, dual use |
| Color | Black |
| Fits | Stealth Bomber with 21 x 3.0 in wheels |
| Condition | New, OEM |
| Price | $120 |
Why buy Stealth Bomber turtle tires from Electric Dirt Bikes Direct
We focus on electric dirt bikes and the parts that keep them running. We sell the Stealth Bomber and its OEM parts, so we can help you choose the right tire for the way you ride.
- Genuine OEM: the same tire offered on the Stealth Bomber from the factory.
- Clear pricing: $120, listed right on this page.
- Real showroom: visit us at 45-53 North St, Middletown, NY 10940.
- Straight answers: email sales@electricdirtbikesdirect.org about sizing and fitment.
Need other spares? Browse all our electric dirt bike parts and accessories.
What are Stealth Bomber turtle tires?
Turtle tires get their name from their smooth, rounded tread pattern, which looks a little like a turtle shell. Instead of tall, separate knobs, the tread is flatter and more continuous, so more rubber touches the ground at once.
That wider contact patch rolls smoothly and quietly on hard surfaces, wears slowly and gives predictable grip on pavement and packed gravel. It is the opposite of an aggressive knobby, which digs into soft dirt but squirms and wears quickly on hard ground.
Stealth Bomber turtle tires: long tread life for dual-use riding
The flattened tread spreads wear across a wide area, so the tires last much longer than knobbies when most of your miles are on hard surfaces. For riders who commute where permitted, cruise gravel roads or ride a lot of mixed terrain, that means fewer tire changes and lower running costs.
The smoother tread also reduces rolling resistance, which can help you get a little more range from each charge.

Stealth Bomber turtle tires vs knobby tires vs fat tires
| Feature | Stealth Bomber turtle tires | 21 x 3.0 in knobby tires | 26 x 4 in fat tires |
|---|---|---|---|
| Tread | Flattened, continuous | Tall, spaced knobs | Wide, high-volume |
| Best surfaces | Pavement, gravel, hardpack | Dirt, mud, technical trails | Sand, snow, soft ground |
| Tread life on hard surfaces | Long | Shorter | Varies |
| Ride on pavement | Smooth and quiet | Buzzy, less grip | Soft, heavier feel |
| Price | $120 | $110 | Ask us |
Choose Stealth Bomber turtle tires if most of your riding is on hard surfaces. For dirt trails, our Stealth Bomber knobby tires are the better match.
Who should buy Stealth Bomber turtle tires?
- Commuters who ride mostly on pavement where it is legal to do so.
- Gravel riders who want long tread life and a smooth ride.
- Dual-use riders who mix roads, paths and hardpack trails.
- Owners with worn tires who want an OEM replacement.
- Riders switching from knobbies after moving to more street riding.
Which bikes do Stealth Bomber turtle tires fit?
These tires are sized 21 in x 3.0 in to fit the Stealth Bomber’s 21 x 3.0 in wheels. If your Stealth Bomber was ordered with the 26 x 4 in fat bike wheels, these tires will not fit those rims. Not sure which wheels you have? Check the size printed on your current tire sidewall or send us a photo.
Please confirm the quantity you need before ordering, and contact us if you are unsure whether you are buying for the front, rear or both wheels.
How to fit Stealth Bomber turtle tires
Changing a tire is a manageable job with the right tools. If you are not comfortable doing it, any bike or motorcycle shop can help. As a general guide:
- Switch the bike off, remove the key and put it on a stable stand.
- Remove the wheel, noting the position of spacers, the brake rotor and, at the rear, the chain.
- Let all the air out of the tire and break the bead away from the rim on both sides.
- Use tire levers to work the old tire off the rim, taking care not to scratch the rim or damage the tube.
- Check the rim strip and inner tube, and replace them if they are worn or damaged.
- Fit the new tire, checking any direction arrow on the sidewall points the right way.
- Inflate slowly, making sure the bead seats evenly all the way around.
- Refit the wheel, set chain slack, tighten axles to spec and test the brakes.

Setting pressure on Stealth Bomber turtle tires
Run the pressure recommended on the tire sidewall and in your owner’s manual. Slightly higher pressure within that range suits smooth pavement and helps tread life, while a little lower pressure adds comfort and grip on loose gravel. Check pressure cold, before every ride, with a reliable gauge rather than guessing by squeezing the tire. Small pressure changes make a noticeable difference to how the bike feels.
Breaking in new Stealth Bomber turtle tires
New Stealth Bomber turtle tires can feel slippery for the first few miles while the surface wears in. Ride gently at first, avoid hard braking and steep lean angles, and let the tread scuff up before you push.
Riding on pavement and gravel with Stealth Bomber turtle tires
On pavement, brake in a straight line before corners and lean smoothly. Watch for painted lines, metal covers and wet leaves, which are slippery. On gravel, keep your weight balanced, avoid sudden steering inputs and let the bike move a little underneath you.
Turtle tires grip well on hard surfaces, but no tire grips like it does in the dry. Slow down in the rain and give yourself extra stopping distance.
Caring for Stealth Bomber turtle tires
- Check pressure before every ride.
- Look for cuts, embedded glass or stones and remove debris from the tread.
- Inspect sidewalls for cracks or bulges.
- Rotate your riding between surfaces when you can, since constant hard braking wears tires faster.
- Keep oil, chain lube and brake fluid off the tires.
When to replace Stealth Bomber turtle tires
Replace your tires when the tread is worn flat, the rubber has hardened or cracked, or you see cuts or bulges in the sidewall. Worn tires take longer to stop, lose grip in the wet and are more likely to puncture. Fresh Stealth Bomber turtle tires restore predictable grip and a smooth ride.
Range and rolling resistance
Every tire creates some resistance as it rolls. Aggressive knobbies flex and squirm on hard ground, which wastes energy. The smoother tread of Stealth Bomber turtle tires rolls more efficiently on pavement and packed gravel, so on hard-surface rides you may notice a little extra range from each charge, especially at the right tire pressure.
Storing spare tires
Store spare tires indoors, somewhere cool, dry and dark, ideally in a sealed bag that keeps out dust and ozone. Sunlight and heat can harden rubber over time. Keep them away from electric motors, heaters and chemicals, and lay them flat or hang them rather than stacking heavy items on top.
Is a Stealth Bomber street legal with turtle tires?
Tires alone do not make a bike street legal. The Stealth Bomber is sold as an off-road electric bike, and its power is well above e-bike limits. Registration rules vary by state and usually require lights, mirrors, a horn and approved tires. Check with your local DMV before riding on public roads.
For general information on tire safety, sizing and care, see the tire guidance from the National Highway Traffic Safety Administration.

Inner tubes and rim strips
When you change a tire, it is the perfect time to check what sits inside it. Look for patches, thin spots or cracks around the valve on the inner tube, and replace it if in doubt. Check that the rim strip covers every spoke hole, since an exposed spoke end can puncture a new tube within miles.
Tools you will need
To fit Stealth Bomber turtle tires you will need a bike stand, a socket and wrench set for the axles, two or three tire levers, a pump with a pressure gauge and some soapy water to help the bead seat. A torque wrench helps you tighten the axles correctly.
Riding in the rain
Wet pavement reduces grip for every tire, no matter how good it is. Brake earlier and more gently, avoid painted lines, metal covers and puddles that may hide potholes, and keep lean angles modest. After a wet ride, rinse road grime off the wheels and chain, dry them and lube the chain.
Wheel and spoke care
Spoked wheels are strong but need occasional attention. Tap each spoke with a small wrench: they should ring with a similar tone. A dull sound usually means a loose spoke. Tighten gradually and evenly, and have a shop true the wheel if it wobbles. Check wheel bearings for play at the same time.
Keep a set of each tire
Many owners keep one wheel set with knobby tires for trail days and another with Stealth Bomber turtle tires for road and gravel days. Swapping complete wheels is quicker than changing tires on rims, and each set is ready to go when you need it.
Choosing tires for your riding
Think about where you spend most of your time. If more than half your miles are on pavement, gravel or hardpack, turtle tires will give you better grip, a quieter ride and longer tread life. If you mostly ride dirt trails, mud or loose climbs, knobby tires are the better match. For sand and snow, fat tires are hard to beat.
Still undecided? Many riders start with Stealth Bomber turtle tires for everyday use and add a set of knobbies for trail days.
Hybrid riding on gravel
The Stealth Bomber’s working pedals and 7-speed drivetrain pair nicely with a smooth-rolling tire. On long gravel climbs, adding a little pedal effort takes load off the battery, and the lower rolling resistance of turtle tires makes cruising efficient and relaxed.
Safety gear for road and gravel riding
Hard surfaces are unforgiving in a fall, so wear proper protection every ride: a DOT-approved helmet, gloves, sturdy boots, long sleeves and pants, and ideally an armored jacket. Bright colors help drivers and other riders see you sooner, especially at dawn and dusk.
Sharing paths and roads
Electric bikes are quiet, so walkers and cyclists may not hear you coming. Slow down around people and animals, give plenty of room when passing and follow local rules about where powered bikes can ride. Courteous riding helps keep riding areas open and gives electric bikes a good reputation.
Checking the bike after a puncture
If you get a flat, find the cause before fitting a new tube. Run your fingers carefully around the inside of the tire to find thorns, glass or wire, and check the rim strip. Fixing the cause stops the same puncture happening again a few miles later.
Plan your next ride
Before a long road or gravel ride, charge the battery fully, check the weather and plan a route that suits your range. Tell someone where you are going, carry water, a phone and a small repair kit, and ride with a friend when you can. A spare tube and a compact pump can turn a long walk home into a quick roadside fix.
Reading your tire sidewall
The sidewall tells you a lot about a tire. You will find the size, the recommended pressure range, the direction of rotation and often a date code showing when the tire was made. Check these details before fitting so the tire goes on the right way and is inflated within its range. A tire that sits unused for many years can harden even if the tread looks new, so fresher is better.
Electric riding, simplified
An electric bike needs far less routine work than a gas one. There is no fuel to mix, no oil to change and no carburetor to clean. Most care comes down to tires, brakes, chain and battery, so keeping the right tires on your bike is one of the most useful jobs you can do. It improves grip, comfort and range at the same time, and it makes every ride safer and more enjoyable.
Pre-ride tire check
- Pressure set for the day’s surfaces
- No cuts, bulges or embedded debris
- Axle nuts tight and wheels spinning true
- Brakes firm and rotors clean
Why choose OEM Stealth Bomber turtle tires?
OEM tires are the size and type the Stealth Bomber was designed around, so speedometer readings, handling and clearances stay as intended. They fit the stock rims properly and give predictable grip from the first ride.
The Stealth Bomber
Do not own a Stealth Bomber yet? It is a 72V hybrid electric dirt bike with working pedals and motor options from 5,000W to 15,000W. See our Stealth Bomber for sale page or browse our More Brands electric dirt bike collection.
Help from our team
Not sure whether turtle or knobby tires suit your riding? Email sales@electricdirtbikesdirect.org or visit our Middletown, NY showroom. We can also help with other parts and accessories for your Stealth Bomber.
After your order arrives, we are still here for questions about fitting, tire pressure and choosing between Stealth Bomber turtle tires and knobbies.
How ordering works
- Add the Stealth Bomber turtle tires to your cart.
- Check out securely online.
- We confirm your order by email and arrange shipping anywhere in the U.S. or worldwide.
- Fit the tires, set the pressure and ride.
Stealth Bomber turtle tires FAQ
What size are Stealth Bomber turtle tires?
21 in diameter and 3.0 in wide.
What are they best for?
Pavement and gravel, plus mixed riding on hard surfaces.
Will they fit the 26 x 4 in fat bike wheels?
No. They fit the 21 x 3.0 in wheels only.
Do turtle tires last longer than knobby tires?
On hard surfaces, yes. The flattened tread spreads wear over a wider area.
Can I fit them myself?
Yes, with tire levers and basic tools. A bike or motorcycle shop can also fit them.
Order your Stealth Bomber turtle tires today
Ready for a smoother, longer-lasting ride on pavement and gravel? Add Stealth Bomber turtle tires to your cart and check out securely for $120. Questions first? Email sales@electricdirtbikesdirect.org.








