The Atom Drop Through is one of the best-known budget longboards. The 40-inch version is the one whose listing describes a maple and bamboo hybrid deck, and it is the board this review covers.
Here is the short answer. The 40-inch Atom Drop Through is a low, steady, soft-wheeled board that suits beginners and commuters. Its trucks are set up for calm rather than sharp turning, which is a sensible choice for a first board.
One thing to be clear about. This is a spec-based review. We have not ride-tested the board. Everything here comes from the specifications on its Amazon listing, checked in October 2026, and from what those specifications normally mean on the road. Here is how we review products.
Quick verdict
A low, steady 40-inch board for beginners and commuters
Soft 78A wheels and 40-degree trucks make it calm and forgiving. Riders over 220 lb, or with very big feet, should look at the alternatives.
- 📏 40 x 9 in
- 🛞 70 mm, 78A wheels
- 📐 40° trucks
- ⚖️ 220 lb limit
Quick verdict: who is the Atom Drop Through for?
On paper, this board is built around one idea: make riding easy. The deck is low, the wheels are soft, and the trucks resist twitchy turning. Those are the three things a new rider benefits from most.
| A good fit if… | Look elsewhere if… |
|---|---|
| You are buying your first longboard | You weigh more than about 200 lb |
| You want to commute a mile or three | You wear US men’s size 12 or larger |
| You are between about 5′0″ and 6′1″ | You want tight, surfy carving |
| You want a stable board on a budget | You want to do tricks |
The left column describes a lot of people, which is why this style of board is so popular. The right column is not a list of faults. It is simply what a 9-inch-wide, 220 lb rated, stability-first board is not designed for.
Atom Drop Through specs at a glance
These are the figures from the Amazon listing, with a plain-English note on each.
| Spec | Listed value | What it means |
|---|---|---|
| Length | 40 in | The middle of the beginner size range |
| Width | 9 in | Fine for most feet, narrow for very large ones |
| Deck | Maple and bamboo hybrid laminate, drop-through | Sits low between the wheels |
| Trucks | 180 mm hangers, 40° base | Wide and tuned for stability |
| Wheels | 70 x 51 mm, 78A | Large and soft, for a smooth ride |
| Bearings | ABEC 9 | Standard skate bearings |
| Grip tape | Coarse 46 grit | Rougher than usual, for a firm foothold |
| Weight | 7.9 lb | Average for a board this size |
| Listed weight limit | 220 lb | Leave a margin below this |
| Listed skill level | Beginner | Marketed at new riders |
What the specs mean on the road
The drop-through deck
On a drop-through board, the trucks are mounted through cut-outs in the deck instead of underneath it. That lowers the standing platform. A lower platform does two useful things. Your standing leg bends less on each push, and your centre of gravity is closer to the ground, which feels steadier.
The trade-off is leverage. Because you stand lower and between the trucks, a drop-through turns a little less sharply than a top-mount board of the same size. For a beginner or a commuter, that is usually a fair exchange.
The 40-degree trucks
This is the most interesting part of the spec sheet. Most budget longboards use trucks with a 50-degree baseplate. The listing for this board gives a 40-degree base.
The angle decides how much the truck turns when you lean. At 50 degrees a small lean gives a lot of turn. At 40 degrees the same lean gives less. So this board should feel calmer and more stable as speed builds, and it should be less willing to make tight turns at walking pace.
Is that good or bad? It depends on you. For learning to balance and for rolling down a gentle slope without drama, it is a help. For weaving tight S-turns on a narrow path, it is a limit.
The 70 mm, 78A wheels
Wheel hardness is shown as a number followed by the letter A. A rating of 78A is at the soft end. Soft wheels grip well and absorb vibration from rough pavement. At 70 mm across they are large enough to roll over cracks and small stones.
The listing describes the urethane as super high rebound, shortened to SHR. Rebound is how quickly the wheel springs back after being squashed. Higher rebound generally means the wheel holds its speed better.
The bearings and grip tape
The bearings are listed as ABEC 9. ABEC is a precision scale for industrial bearings, and a high number sounds impressive. In practice it tells you little about how a skateboard bearing performs. Cleanliness and lubrication matter far more. Treat these as ordinary bearings that will serve you well if you keep them dry.
The grip tape is listed as coarse 46 grit. Typical grip tape is around 80 grit, and a lower number means rougher. So expect a very firm hold on your shoes. That is reassuring when learning, though coarse grip wears shoe soles a little faster.
How it compares with a typical budget longboard
Budget drop-through longboards look very alike in photos. The spec sheets show where they differ. Here is this board next to what you typically see at a similar price.
| Feature | Atom Drop Through 40 | Typical budget drop-through |
|---|---|---|
| Truck angle | 40° (stability-focused) | 50° or adjustable 45° to 55° |
| Wheel hardness | 78A | 78A to 85A |
| Grip tape | Coarse 46 grit | Around 80 grit |
| Listed weight limit | 220 lb | 220 to 275 lb |
| Deck | Maple and bamboo hybrid | Maple |
Two things stand out. The first is the truck angle. Most rivals are set up to turn more easily, while this board leans toward calm. Neither is better in general. It depends on whether you value stability or agility more.
The second is the weight limit. At 220 lb it is at the lower end. Several budget boards we checked list 250 or 275 lb. If you are a heavier rider, that alone may decide it.
Where this board holds its own is the wheel and grip choice. Soft 78A wheels and coarse grip tape are both sensible for a beginner on real streets.
About the bamboo
If you are here because you want a bamboo longboard, here is what we can and cannot tell you.
The listing’s bullet points describe the deck as a maple and bamboo hybrid laminate. Its details table simply says maple wood, with 8 plies. Those two statements do not quite match, and the listing does not say how many layers are bamboo.
So treat this as a mostly maple board with some bamboo in the mix, not as a full bamboo deck. That matters for feel. Full bamboo and bamboo-fiberglass decks are known for a light, springy ride. A maple-heavy hybrid will be stiffer and more solid.
📌 Want real bamboo flex?
Look at a board whose listing describes a bamboo and fiberglass deck. We include one in the alternatives below.
Is it the right size for you?
A 40-inch board fits a wide range of people. Here is how it lines up with our size chart.
| Your height | Fit | Notes |
|---|---|---|
| Under 5′0″ | A little long | Manageable, but a 36 to 39 inch board is easier |
| 5′0″ to 5′4″ | Good | Near the top of your range |
| 5′5″ to 5′9″ | Ideal | Right in the middle |
| 5′10″ to 6′1″ | Good | Near the bottom of your range |
| Over 6′1″ | A little short | Consider a 41 to 44 inch board |
Width. At 9 inches, the deck suits shoe sizes up to about US men’s 9.5 very well. Up to about size 11 it is workable. Beyond that, your toes and heels will hang over more than is comfortable.
Weight. The listed limit is 220 lb. Leave yourself a margin, and remember that a backpack counts. If you are close to the limit, choose a board rated for more.
Want a size worked out for your height, weight and riding style?
The board
🔎 How we chose these
We picked these boards by the specifications listed on Amazon and by how well they fit the job. We have not ride-tested them, and we do not show prices or star ratings because they change often. Specs were checked in October 2026, so confirm the details on the product page before you buy. LongboardHub earns from qualifying purchases as an Amazon Associate, at no extra cost to you. Read our affiliate disclosure.
🔎 Reviewed in this guide
Shape illustration, not a product photo
Atom Drop Through Longboard (40 in)
Best for: New riders and commuters who want a calm, low board on a budget.
A 40-inch drop-through with a maple and bamboo hybrid deck, according to the listing’s bullet points. Its trucks use a 40-degree base, which turns a little less sharply than the usual 50 degrees and feels calmer as speed builds.
- Length 40 in
- Width 9 in
- Deck Maple and bamboo hybrid laminate, drop-through
- Trucks 180 mm hangers, 40° base
- Wheels 70 x 51 mm, 78A
- Bearings ABEC 9
- Listed weight limit 220 lb
✅ Why it works
- The low deck is easy to push and steady underfoot.
- Soft 78A wheels and coarse 46-grit grip tape are listed.
- The 40-degree baseplates lean toward stability.
- The listing marks its skill level as beginner.
⚠️ Keep in mind
- The details table says maple, while the bullet points say maple and bamboo hybrid.
- The listed weight limit is 220 lb.
- The 9-inch deck is narrow for very big feet.
Buy from Amazon Price and stock are shown on Amazon. Specs are from the Amazon listing, checked October 2026.
Alternatives worth a look
Two other boards solve slightly different problems. One is a longer Atom. The other is a springier bamboo and fiberglass board with a higher weight limit.
📏 A longer Atom
Shape illustration, not a product photo
Atom Drop Through Longboard (41 in)
Best for: Riders who want an extra inch of length and the same low, steady layout.
A 41-inch drop-through, which means the deck hangs low between the wheels. A low deck is easier to push and feels steadier under your feet. The Amazon listing marks its skill level as beginner.
- Length 41 in
- Width 9 in
- Deck Maple laminate, drop-through
- Trucks Reverse kingpin, 245 mm axles
- Wheels 70 mm, soft
- Listed weight limit 220 lb
✅ Why it works
- The low drop-through deck takes effort out of every push.
- A 41-inch length gives a long, calm wheelbase.
- The deck is cut away around the wheels, which the maker says removes wheel bite.
- It is listed as arriving fully assembled.
⚠️ Keep in mind
- The 9-inch deck is on the narrow side for big feet (about US men’s 12 and up).
- The listed weight limit is 220 lb.
- At 41 inches it is not the easiest board to carry on a crowded bus.
Buy from Amazon Price and stock are shown on Amazon. Specs are from the Amazon listing, checked October 2026.
🌱 More bamboo, more flex
Shape illustration, not a product photo
Magneto Bamboo Drop-Through Longboard (42 in)
Best for: Riders who want a livelier bamboo and fiberglass deck, or need a higher weight limit.
A 42-inch drop-through built from bamboo and fiberglass, which the listing describes as strong and flexible. A flexible deck soaks up bumps and gives a springy feel in turns.
- Length 42 in
- Width 9 in
- Deck Bamboo and fiberglass, drop-through
- Trucks Gravity cast aluminum
- Wheels 70 mm, 78A
- Listed weight limit 275 lb
✅ Why it works
- Bamboo and fiberglass give a lively, flexible ride.
- The drop-through mounting keeps the deck low.
- The listed 275 lb weight limit is higher than many budget boards.
⚠️ Keep in mind
- Stock was low when we checked, so availability may vary.
- A flexible deck feels less steady at higher speeds.
- The listing marks its skill level as intermediate.
Buy from Amazon Price and stock are shown on Amazon. Specs are from the Amazon listing, checked October 2026.
| Product | Length | Deck | Weight limit | Amazon |
|---|---|---|---|---|
| Atom Drop Through 40 | 40 in | Maple and bamboo hybrid | 220 lb | View on Amazon |
| Atom Drop Through 41 | 41 in | Maple laminate | 220 lb | View on Amazon |
| Magneto Bamboo 42 | 42 in | Bamboo and fiberglass | 275 lb | View on Amazon |
Setting it up out of the box
A complete board arrives assembled, but a five-minute check before your first ride is always worth doing.
- Check every boltMake sure the eight truck bolts are snug and nothing rattles when you shake the board.
- Spin each wheelEach wheel should spin freely for several seconds. If one stops quickly, loosen its axle nut a quarter turn.
- Set the truck tightnessStand on the board and lean. If it barely turns, loosen the large nut on each truck a quarter turn. If it feels wobbly, tighten it a quarter turn.
- Start on flat groundFind a smooth, empty space. Practise standing, pushing gently and foot braking before you go anywhere.
- Give it a couple of weeksNew bushings and bearings loosen up with use. The board will turn and roll more freely after a few rides.
🛡️ Wear a helmet every ride
A helmet is the one piece of gear that is not optional. Wrist guards, knee pads and elbow pads are well worth it while you learn. See our safety guides.
Looking after it
- Keep it dry. Water rusts bearings and can damage a wooden deck. If it gets wet, dry it and spin the wheels.
- Clean the bearings when the wheels sound gritty or stop spinning freely.
- Swap the wheels around now and then, so they wear evenly.
- Check the bolts every few weeks. They work loose with vibration.
- Store it indoors. Heat, cold and damp all shorten a deck’s life.
The first upgrade most riders make to a budget complete is the bushings, which are the rubbery rings inside each truck. A set matched to your weight costs little and can make the board turn noticeably better. After that, new bearings or wheels are the usual next steps.
Real-life examples: is it the right board for them?
The riders below are made-up examples, based on the kind of questions people often ask in longboarding groups and forums. They are not real people or reviews. See which one sounds most like you.
The first-time rider
Mia, 5′6″, 135 lb
Mia has never ridden before and wants something stable for a park path.
Good choice: this board. It is the right size for her height, low and calm, and well within its weight limit.
The heavier commuter
Daniel, 6′0″, 215 lb
Daniel wants a commuter board and carries a laptop bag.
Good choice: a board with a higher weight limit. With his bag he would be at or over 220 lb.
The carver
Zoe, 5′7″, 145 lb
Zoe wants to make tight, surfy turns on a quiet street.
Good choice: a top-mount board or a pintail with 50-degree trucks. The 40-degree trucks here are built for calm, not for tight turns.
Common mistakes (and how to fix them)
❌ Expecting a full bamboo deck
The listing describes a hybrid, and its details table says maple.
✅ The fix: If bamboo flex is what you want, choose a bamboo and fiberglass board.
❌ Riding it straight out of the box
Factory truck settings do not suit everyone.
✅ The fix: Do the five-minute setup check first.
❌ Ignoring the weight limit
A rider near 220 lb with a bag is over the listed limit.
✅ The fix: Choose a board rated for more if you are close.
❌ Blaming the board for wide turns
Forty-degree trucks turn less by design.
✅ The fix: Loosen the trucks a little, or pick a 50-degree board if you want tight carving.
❌ Leaving it damp
Wet bearings rust quickly.
✅ The fix: Dry the board after any wet ride.
Frequently asked questions
Is the Atom Drop Through a good longboard for beginners?
On its specifications, yes. It has a low drop-through deck, soft 78A wheels and stability-focused 40-degree trucks, and its Amazon listing marks the skill level as beginner. Those features make it forgiving for a new rider.
Is the Atom Drop Through made of bamboo?
The 40-inch version is described in its listing bullet points as a maple and bamboo hybrid laminate, while the details table says maple wood. It is best thought of as a mostly maple deck with some bamboo, not a full bamboo board.
What is the weight limit of the Atom Drop Through?
The Amazon listing gives a load capacity of 220 lb. Leave a margin below that and include the weight of any bag you carry.
What size is the Atom Drop Through?
This version is 40 inches long and 9 inches wide. A 41-inch version is also sold. The 40-inch board suits most riders from about 5 ft to 6 ft 1 in.
Did LongboardHub test this board?
No. This is a spec-based review built from the Amazon listing and from what those specifications normally mean in use. We have not ride-tested it.
Is the Atom Drop Through right for you? A checklist
If you can tick most of these, it is a sensible choice.
- I am a beginner or I want a calm commuter board.
- I am between about 5 ft and 6 ft 1 in tall.
- I weigh comfortably under 220 lb, including my bag.
- My shoe size is about US men’s 11 or smaller.
- I want stability more than tight carving.
- I understand the deck is a hybrid, not full bamboo.
- I have a helmet.
The 40-inch Atom Drop Through does a simple job. It gives a new rider a low, steady platform on soft wheels. If that is what you need and you fit the size and weight limits, it is a board worth a close look.
Still deciding?
Not sure this is the right size or style? Our free tools can help.
Try the free Size Guide Take the Match Quiz Back to our picks
Product specs and availability were checked in October 2026 and can change. Always confirm the details on the product page before you buy.
