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Quick answer: For an 8.0" deck, use a 5.25" truck. That's an Independent 139, Thunder 147, or Venture 5.25. For an 8.25" deck, use 5.5" trucks: Independent 144, Thunder 148, Venture 5.6. For an 8.5" deck, use 5.75" trucks: Independent 149, Thunder 149, Venture 5.8. The rest of this page explains what those numbers mean, how the sizing differs between brands, and which trucks are worth buying.
Skateboard trucks are sized by their hanger width in inches. A "5.25 truck" has a 5.25" wide hanger. The hanger is the T-shaped part that holds the axle.
What trips most people up: the axle sticks out further than the hanger. The exposed axle adds roughly 1.375" on each side, or about 2.75" in total. So a 5.25" hanger truck has an overall axle width of about 8.0". That's why it matches an 8.0" deck.
The second source of confusion is how brands name their trucks. Independent and Thunder use millimetre-based names that don't reflect exact measurements:
When in doubt, use the "For Deck Size" filter on our skateboard trucks page.
Find your deck width in the "Deck range" column, then read across to find the right model name for each brand.
| Hanger | Axle | Deck range | Independent | Thunder | Venture | Tensor | Ace | Royal | Krux |
|---|---|---|---|---|---|---|---|---|---|
| 5.0" | 7.75" | 7.4"–7.8" | 129 | 145 | 5.0 | 5.0 | 22 | 5.0 | 5.0 |
| 5.25" | 8.0" | 7.8"–8.125" | 139 | 147 | 5.25 | 5.25 | 33 | 5.25 | 5.25 |
| 5.5" | 8.25" | 8.125"–8.4" | 144 | 148 | 5.6 | 5.5 | 44 | n/a | 5.5 |
| 5.75" | 8.5" | 8.4"–8.6" | 149 | 149 | 5.8 | 5.75 | 44 | 5.5* | 5.75 |
| 6.0" | 8.75" | 8.6"–8.9" | 159 | 151 | n/a | n/a | 55 | n/a | 6.0 |
| 6.5" | 9.0" | 8.9"+ | 169 | n/a | n/a | n/a | n/a | n/a | 6.5 |
*Royal's "5.5" trucks have an axle width closer to 8.75", fitting the 8.4"–8.6" deck range.
Aim to match axle width to deck width within about 3mm (0.125") either way. A touch outside that range is workable but you'll notice it in how the board steers and how clearly you can feel the wheels under your feet.
Truck height is measured from the baseplate to the middle of the axle. It affects turning feel and how large a wheel you can run without getting wheel bite.
Low trucks (46–49mm) sit closest to the deck. The lower centre of gravity gives snappier, more controlled pop for technical street skating and flip tricks. Run 51–52mm wheels with low trucks. Go bigger and you'll get wheel bite on harder landings.
Mid trucks (50–53mm) are the most popular all-round choice, sitting between the responsiveness of lows and the clearance of highs. They suit street, park, and general skating, and you can run wheels up to around 54–56mm without riser pads.
High trucks (53.5–58mm) give the most clearance between deck and wheels. Better for transition, bowl, and cruiser setups where you want bigger, softer wheels and a smoother ride. 57mm+ wheels are comfortable, though very large wheels still benefit from a thin riser pad.
The short version: street and park skating, go low or mid. Transition or cruising with bigger wheels, go mid or high.
Trucks from established brands are built to consistent tolerances: correct geometry, quality kingpin steel, and bushings that respond predictably. Unbranded trucks are not.
Independent Stage 11 is the most widely ridden truck at every level. Decades of refinement, consistent geometry, durable kingpins, and readily available replacement parts. If you're not sure what to get, Independent is the safe default. The hollow axle/kingpin models are a good step up without paying for titanium. Independent also offer a lifetime warranty against manufacturing defects.
Thunder is lighter than Independent and turns more responsively. Their geometry suits technical street skating particularly well: snappy response, low centre of gravity. If someone tells you Independent trucks feel sluggish, they probably want Thunder.
Venture offers a softer, more forgiving ride. Slightly more affordable than Independent or Thunder, which makes them a practical first real-brand truck for skaters stepping up from a budget complete. Good choice for transition and mixed terrain skating.
Tensor trucks are among the lightest available. Their magnesium alloy construction saves meaningful weight from a setup. Popular with skaters focused on flip tricks where board weight matters. Founded by Rodney Mullen.
Ace Trucks have a distinct geometry: steeper baseplate angle and more responsive turn. A popular choice for bowl, pool, and vert skating where quick, precise turning is the priority. The AF1 models feature a forged baseplate and rethreading axle nuts.
Royal Trucks are a reliable mid-range option, properly made, consistent geometry, sensible price. A good first branded truck for younger riders or those upgrading from a budget complete without wanting to pay full Independent prices. Worth checking the axle width rather than the model name when ordering, as Royal's sizing labels are slightly off.
Krux trucks are lighter than many competitors at similar price points. Their forged baseplate construction gives a responsive feel and they're a well-regarded mid-range choice particularly for street skating.
Knowing what each part does helps you tune your setup and replace worn parts rather than buying new trucks.
Hanger: the T-shaped part that the axle runs through. Grinds wear the hanger over time. Replace the hanger, not the whole truck, when the edge starts chipping.
Kingpin: the large bolt running through the centre of the truck. Controls how much the hanger pivots. A snapped kingpin is common and replaceable. No need to buy new trucks.
Bushings: the urethane cushions that surround the kingpin and control turning resistance. Harder bushings (92a–96a) give a stiffer, more stable feel. Softer (78a–87a) give more turn. Worn or cracked bushings are the first thing to replace on any used setup. Browse skateboard truck hardware and bushings for replacements.
Pivot cup: the urethane cup in the baseplate that the hanger pivot sits in. Worn pivot cups cause a clunking sound and imprecise steering. Cheap to replace. See our truck parts and rebuild kits.
Axle nuts: the small nuts that hold your wheels on. Keep a few spares. Losing a wheel mid-session because an axle nut backed off is a rite of passage that only needs to happen once.
Unbranded trucks on budget completes are the most common problem. They're made to a price: soft steel that strips easily, kingpins that snap early, baseplates that are thin and britle, bushings with no real urethane quality control. They feel vague to steer and don't respond consistently. If you can't identify the truck brand on a complete, assume they're not worth keeping.
Cheap marketplace imports: anything on Amazon or eBay with no recognisable brand name. Same unbranded product, different price points.
Old stock without replacement parts: if a brand no longer carries pivot cups, kingpins, or hangers for a model, the truck becomes disposable rather than repairable. Stick to brands actively sold through skate shops.
If you're just starting out and want to know what else to look for, our beginner's guide to choosing a skateboard covers the full setup.
For an 8.0" deck, use 5.25" trucks: Independent 139, Thunder 147, or Venture 5.25. These have an 8.0" axle width, matching an 8.0" deck directly. A common mistake is ordering Independent 149 for an 8.0" board. The 149 has an 8.5" axle and suits 8.4"–8.6" decks, not 8.0".
For an 8.25" deck, use 5.5" trucks: Independent 144, Thunder 148, or Venture 5.6. Both Independent and Thunder introduced dedicated 8.25" trucks around 2016 when the size became popular enough to warrant its own model.
For an 8.5" deck, use 5.75" trucks: Independent 149, Thunder 149, or Venture 5.8. The Independent 149 is one of the most ridden trucks at street and park level, as most adult skaters run boards between 8.25" and 8.5".
Low trucks (46–49mm) sit closer to the deck, giving tighter turning and better board control for street skating. Run 51–52mm wheels to avoid wheel bite. High trucks (53.5–58mm) give the most wheel clearance and suit transition, bowl, and cruiser setups with larger, softer wheels. Mid trucks (50–53mm) are the all-round option and the most commonly ridden. Read our high vs low trucks guide for the full breakdown.
Yes, for most skaters. Independent Stage 11 trucks are the benchmark for a reason: consistent geometry, durable construction, widely available parts, and a lifetime warranty. The hollow axle/kingpin models are a sensible step up from standard without paying for titanium. If budget is tight, Royal, Venture, or Krux all give proper branded quality at a lower price point.
Trucks last much longer than decks, often years of regular skating. Bushings wear first (replace every few months of heavy use), then pivot cups (once they start clunking), then the hanger itself after significant grinding damage. Replace a snapped kingpin immediately. Full truck replacement is usually only needed after major hanger damage or when the geometry feels permanently off.
Bushings are the urethane cushions inside the truck that control turning resistance. Signs they need replacing: the board wobbles at speed, trucks feel loose even when tightened, or the bushings are visibly cracking or deforming. Replacement bushings are cheap. Independent, Bones, and Venom all make quality options in a range of hardnesses.
