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Deck Widths Explained: How to Choose and Compare Fingerboard Sizes
A reference for buyers comparing deck widths, upgraders, and deck hunters evaluating used listings where specs are often missing.
Kingpin Editorial9 min read
A reference for buyers comparing deck widths, upgraders, and deck hunters evaluating used listings where specs are often missing.
Fingerboard deck width is measured in millimeters across the widest point of the board, typically at the center between the nose and tail kicks. Width is one of the primary specs listed by pro-tier brands and one of the most commonly missing specs in used marketplace listings. Knowing how width categories are described helps buyers search more accurately and ask sellers the right questions.
29mm — Narrow: Earlier-era; less common used
32mm — Standard: Long-standing, widely stocked
33mm — Mid-size: The 33.3–33.6mm sweet spot
34mm — Modern default: Common current pro width
36mm+ — Wide: Wide trucks harder to find
Width is measured in millimeters (mm) at the widest point across the deck
Width is distinct from length — most pro decks share similar length ranges, but width varies across brands and molds
The same brand may offer multiple widths from the same shape/mold
Width affects truck compatibility: truck axle width should generally match deck width
29mm is documented as an available width by brands including Berlinwood (via Blackriver Shop) and Teak Tuning, among others. Community discussions describe 29mm as associated with faster or lighter flip feel, though these descriptions reflect personal preference and are not universal. It is a narrower, earlier-era width that several brands still make in popsicle shape — named examples include Teak Tuning's 'The Classic' (29mm × 96mm), DK Fingerboards' 29mm popsicle blank, FlatFace's G15 in 29mm, and Boardkennel's 'Blind Popsickles'. On the used market it is generally less common than 32–34mm.
32mm is described by multiple brands and community guides as a widely used starting point and a broadly available width category. Berlinwood, Teak Tuning, Blackriver trucks, and other sources document 32mm as a standard offering. Community discussions commonly describe 32mm as a natural fit for a range of finger placements, though this varies by individual.
Several brands offer decks in a mid-size range around 33mm to 33.6mm, with the exact figure varying by brand: Berlinwood documents 33.3mm, FlatFace documents 33.6mm (its G16 shape, which it notes works with both 32mm and 34mm trucks), and Five Luck documents 33.3mm and 33.5mm, among likely others. Because the precise measurement differs between makers, buyers should confirm the exact number rather than assuming a deck labeled 'mid-size' or 'between 32 and 34' matches any specific brand's product.
34mm is documented by Blackriver trucks (as a compatible truck width), by Teak Tuning, and by multiple community guides as a currently common pro-setup width. Community discussions frequently describe 34mm as a broadly used width in current setups, though individual preferences vary. Teak Tuning's published width guide identifies 34mm alongside 32mm as one of the two most commonly referenced sizes.
36mm is documented as a width option by Berlinwood (via Blackriver Shop) and Blackriver trucks, and some brands go wider still: Caramel documents named decks at 38mm (such as 'Gutter Frog' and 'Clown') and 40mm (such as 'Fear' and 'Godzilla'). Goo LTD also makes named molds in this wider territory — its 'Wide Life Crisis' mold is named for a wider profile, though Goo does not publish an exact width. Community references to 'wide setups' generally mean anything wider than 34mm, but the cutoff is not standardized, so the exact millimeter measurement matters more than the 'wide' label.
Deck shape (concave, nose and tail kick angle, wheelbase) is documented separately from width by most pro brands, but the two specs interact in how a setup feels. Concave refers to the curve across the width of the board — low concave has a flatter cross-section, high concave has a more pronounced curve. Wheelbase is the distance between mounting holes and affects stability. A deck at the same width can feel different depending on its concave and wheelbase, so buyers comparing listings by width alone may miss meaningful differences.
The generally recommended practice is to match truck axle width to deck width so that wheels sit close to the edge of the deck without overhanging significantly. Blackriver trucks are documented at widths of 29mm, 32mm, 34mm, and 36mm, which correspond to the deck widths they document for Berlinwood. When truck width does not match deck width, the axle extends past the deck edge or sits inset from it, which some riders prefer and others do not — personal preference applies here, but the mismatch should be disclosed in a listing.
Many used marketplace listings do not state deck width. Without a measurement, buyers can ask the seller for a caliper or ruler photo across the widest point of the board. Comparing the deck width to truck axle width in photos can also suggest the approximate size, since matched setups commonly show the axle ending near the deck edge. However, visual estimation from photos is not a substitute for a confirmed measurement, and buyers should not assume a width based on appearance alone.
Retailer and community guides broadly agree that fingerboard widths have trended wider over time. Early boards were narrow — Tech Deck started around 26mm and many early-2000s makers built similarly narrow decks — and 32mm later became the long-standing standard, prized as a balance of control and accessibility. In recent years the community has increasingly moved to 34mm as a modern default, with 33.3–33.6mm treated as a 'sweet spot' in between. These are documented general trends across multiple retailer and community sources, not a precisely dated catalog timeline, and individual rider preference still drives actual width choice — some riders deliberately ride narrower or wider than the current norm.
When browsing used deck listings on a marketplace, width is the first spec to confirm because it determines truck compatibility and is the hardest dimension to verify without a measurement. Condition, concave, mold, and graphic all matter for deck value, but a deck that cannot be matched with available trucks at the buyer's preferred width is not useful regardless of its other attributes. Buyers who are flexible on width have a broader pool of available listings; buyers who need a specific width should filter or ask early in the conversation.
Kingpin marketplace
Deck width is the most consequential unlisted spec on used deck and complete listings on Kingpin. A buyer who cannot confirm width cannot confirm truck compatibility, which means they cannot safely build or complete a setup from a used listing without messaging the seller first. Adding a structured 'deck width (mm)' field to deck and complete listing forms — and surfacing that field in search filters — would let buyers find compatible setups without extra back-and-forth. This guide article can be referenced in listing-helper copy, seller onboarding guidance, and future search filter UI that lets buyers filter by width range (e.g., 29mm, 32mm, 34mm, 36mm+).
Reference links used for this guide. Confidence labels show how firmly each source is established.
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