{"product_id":"pro-duro-bubble-bushings-blue-white-swirl-fingerboard-tuning","title":"Pro Duro Bubble Bushings, Blue \u0026 White Swirl - Fingerboard Tuning","description":"\u003cdiv class=\"tk-pdp\" style=\"--tk-accent:#2c6e9e;--tk-accent-soft:rgba(44,110,158,.30)\"\u003e\n\u003cstyle\u003e.rte .tk-pdp{--tk-line:#e7e6df;--tk-ink:#17170f;--tk-muted:#8c8c81;--tk-accent:#40BADA;--tk-accent-soft:rgba(64,186,218,.30);--tk-mono:ui-monospace,\"SF Mono\",Menlo,Consolas,\"Liberation Mono\",monospace;font-size:16px;color:var(--tk-ink);line-height:1.5}.rte .tk-pdp *{box-sizing:border-box}.rte .tk-lede{font-size:15px;line-height:1.55;margin:0 0 14px;color:#2c2c22}.rte .tk-lede b{color:var(--tk-ink)}.rte .tk-plate{display:flex;flex-wrap:wrap;gap:18px 0;margin:0 0 22px;padding:0 0 20px;border-bottom:1px solid var(--tk-line)}.rte .tk-plate .tk-cell{flex:1 1 0;min-width:92px;padding:0 16px;border-left:1px solid var(--tk-line)}.rte .tk-plate .tk-cell:first-child{padding-left:0;border-left:0}.rte .tk-k{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--tk-muted);font-weight:600;margin:0 0 5px}.rte .tk-v{font-family:var(--tk-mono);font-size:17px;font-weight:600;letter-spacing:-.02em;line-height:1.15;color:var(--tk-ink)}.rte .tk-v small{font-size:11px;color:var(--tk-muted);font-weight:500}.rte .tk-v.tk-txt{font-family:inherit;font-size:14px;font-weight:600;letter-spacing:0}.rte .tk-incl{font-size:14px;line-height:1.6;margin:0 0 4px}.rte .tk-incl b{color:var(--tk-ink)}.rte .tk-pdp ul{margin:0 0 18px;padding-left:18px}.rte .tk-pdp ul li{font-size:14px;line-height:1.6;margin:0 0 6px}.rte .tk-pdp details{border-top:1px solid var(--tk-line);margin:0}.rte .tk-pdp details summary{cursor:pointer;padding:14px 0;font-size:15px;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--tk-ink);letter-spacing:.02em}.rte .tk-pdp details summary:hover{color:#000}.rte .tk-pdp details summary::-webkit-details-marker{display:none}.rte .tk-pdp details summary::after{content:\"\";border-style:solid;border-color:#888;border-width:2px 2px 0 0;display:inline-block;height:7px;width:7px;transform:rotate(135deg);transition:transform .25s ease;flex-shrink:0;margin-left:12px}.rte .tk-pdp details[open] summary::after{transform:rotate(-45deg)}.rte .tk-pdp details[open] summary{padding-bottom:6px;margin-bottom:8px;border-bottom:1px solid #f0f0f0}.rte .tk-pdp details\u003ediv{padding:4px 0 20px}.rte .tk-pdp details\u003ediv p{margin:0 0 12px;font-size:14px;line-height:1.6}.rte .tk-pdp details\u003ediv p:last-child{margin-bottom:0}.rte .tk-pdp details:last-of-type{border-bottom:1px solid var(--tk-line)}.rte .tk-xsell{margin-top:20px;padding:16px 18px;background:#f9fafb;border-radius:10px;display:flex;align-items:center;gap:16px}.rte .tk-xsell .tk-xh{margin:0 0 2px;font-size:13px;font-weight:700;color:#333}.rte .tk-xsell .tk-xt{margin:0;font-size:12px;color:#666;line-height:1.4}.rte .tk-xsell a{font-size:12px;color:#00897b;text-decoration:none;font-weight:600}@media(max-width:600px){.rte .tk-plate .tk-cell{min-width:33%;flex:1 1 33%;padding:0 10px}.rte .tk-plate .tk-cell:nth-child(4){padding-left:0;border-left:0}.rte .tk-xsell{flex-direction:row}}.rte .tk2-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 10px}.rte .tk2-card{border:1px solid var(--tk-line);border-radius:10px;padding:14px 14px 12px;position:relative}.rte .tk2-card .tk2-tok{display:inline-block;font-family:var(--tk-mono);font-weight:700;font-size:15px;color:#fff;background:var(--tk-accent);padding:5px 10px;border-radius:8px;margin:0 0 7px}.rte .tk2-card .tk2-nm{font-size:13px;font-weight:700;color:var(--tk-ink);margin:0 0 10px}.rte .tk2-bar{margin:0 0 8px}.rte .tk2-bar .tk2-bl{display:flex;justify-content:space-between;font-family:var(--tk-mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--tk-muted);margin:0 0 3px}.rte .tk2-bar .tk2-tr{height:6px;background:#efeee8;border-radius:4px;overflow:hidden}.rte .tk2-bar .tk2-fl{height:100%;background:var(--tk-accent);border-radius:4px}.rte .tk2-card .tk2-note{font-size:12px;line-height:1.45;color:#56564e;margin:8px 0 0}.rte .tk2-foot{font-size:12.5px;color:#56564e;margin:10px 0 22px}.rte .tk2-foot b{color:var(--tk-ink)}@media(max-width:600px){.rte .tk2-grid{grid-template-columns:1fr}}\u003c\/style\u003e\n\u003cp class=\"tk-lede\"\u003eBlue \u0026amp; White Swirl Pro Duro Bubble Bushings are the tuning knob of your setup: custom-molded silicone that drops into your trucks and sets exactly how the board leans and turns. This colorway comes in two firmness levels: 51A and 61A. Each pack includes 5 bushings: each truck uses 2, so one pack tunes both trucks with a spare.\u003c\/p\u003e\n\u003cdiv class=\"tk-plate\"\u003e\n\u003cdiv class=\"tk-cell\"\u003e\n\u003cp class=\"tk-k\"\u003eDurometer\u003c\/p\u003e\n\u003cdiv class=\"tk-v\"\u003e51A \/ 61A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tk-cell\"\u003e\n\u003cp class=\"tk-k\"\u003eType\u003c\/p\u003e\n\u003cdiv class=\"tk-v tk-txt\"\u003eBubble Bushings\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tk-cell\"\u003e\n\u003cp class=\"tk-k\"\u003eMaterial\u003c\/p\u003e\n\u003cdiv class=\"tk-v tk-txt\"\u003eMolded silicone\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tk2-grid\" style=\"grid-template-columns:repeat(2,1fr)\"\u003e\n\u003cdiv class=\"tk2-card\"\u003e\n\u003cspan class=\"tk2-tok\"\u003e51A\u003c\/span\u003e\n\u003cp class=\"tk2-nm\"\u003eExtra Loose\u003c\/p\u003e\n\u003cdiv class=\"tk2-bar\"\u003e\n\u003cdiv class=\"tk2-bl\"\u003e\u003cspan\u003eTurn\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"tk2-tr\"\u003e\u003cdiv class=\"tk2-fl\" style=\"width:92%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tk2-bar\"\u003e\n\u003cdiv class=\"tk2-bl\"\u003e\u003cspan\u003eStability\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"tk2-tr\"\u003e\u003cdiv class=\"tk2-fl\" style=\"width:35%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"tk2-note\"\u003eThe most responsive tuning we offer, with the widest range of truck movement. Carve-everything territory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tk2-card\"\u003e\n\u003cspan class=\"tk2-tok\"\u003e61A\u003c\/span\u003e\n\u003cp class=\"tk2-nm\"\u003eClassic Loose\u003c\/p\u003e\n\u003cdiv class=\"tk2-bar\"\u003e\n\u003cdiv class=\"tk2-bl\"\u003e\u003cspan\u003eTurn\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"tk2-tr\"\u003e\u003cdiv class=\"tk2-fl\" style=\"width:68%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tk2-bar\"\u003e\n\u003cdiv class=\"tk2-bl\"\u003e\u003cspan\u003eStability\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"tk2-tr\"\u003e\u003cdiv class=\"tk2-fl\" style=\"width:62%\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"tk2-note\"\u003eThe same feel as our OG bubble bushings, with a more consistent molded shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"tk2-foot\"\u003eA-scale: a lower number means a softer bushing and a looser turn.\u003c\/p\u003e\n\u003cp class=\"tk-incl\"\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e5 Pro Duro Bubble Bushings in Blue \u0026amp; White Swirl, in your selected durometer\u003c\/li\u003e\u003c\/ul\u003e\n\u003cdetails\u003e\u003csummary\u003eDetails\u003c\/summary\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eWhat a bushing actually does\u003c\/b\u003e\u003cbr\u003eThe bushing is the soft piece your kingpin runs through, and it decides how freely your trucks lean and turn. Softer carves easier and reacts to small inputs; firmer holds its line and feels locked-in on landings. This is the real tuning knob, not the kingpin nut you crank down.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConsistent by design\u003c\/b\u003e\u003cbr\u003eEvery bushing is custom molded from an ultra-premium silicone with a consistent shape and hole placement, so each one feels exactly like the last. Same bubble profile riders already know.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDesigned after real skate bushings\u003c\/b\u003e\u003cbr\u003eThe shape takes after conical skateboard bushings, scaled down for fingerboard trucks. That conical profile gives a smooth, progressive lean.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCompatibility \u0026amp; Fit\u003c\/summary\u003e\u003cdiv\u003e\n\u003cp\u003eFits all major fingerboard truck brands, including wider-kingpin trucks like Dynamic and Y-Truck.\u003c\/p\u003e\n\u003cp\u003eDesigned in the US, made from imported parts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eWhich durometer should I pick?\u003c\/b\u003e\u003cbr\u003eStart with the turn you want. 51A is the looser of the two, the most responsive tuning we offer. 61A is the firmer of the two, the same feel as our OG bubble bushings.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDoes this actually change how my trucks turn, or do I just adjust the nut?\u003c\/b\u003e\u003cbr\u003eThe bushing is what changes the turn. The kingpin nut adds a little tension, but the bushing durometer is what sets how the truck actually feels.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWill these fit my trucks?\u003c\/b\u003e\u003cbr\u003eThey fit all major fingerboard truck brands, including wider-kingpin trucks like Dynamic and Y-Truck.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow many bushings come in a set?\u003c\/b\u003e\u003cbr\u003eFive per pack. Each truck uses 2, so one pack tunes both trucks and leaves you a spare.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAre these safe for a younger kid?\u003c\/b\u003e\u003cbr\u003eThese are small parts and a choking hazard, so they're not suitable for children under 14.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat does the Teak Guarantee cover?\u003c\/b\u003e\u003cbr\u003eFree replacements for parts that are broken during shipping or initial setup. Contact Teak Tuning with a photo of the issue.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdiv class=\"tk-xsell\"\u003e\u003cdiv\u003e\n\u003cp class=\"tk-xh\"\u003ePairs well with\u003c\/p\u003e\n\u003cp class=\"tk-xt\"\u003eAdd Pro Duro Pivot Cups to tune the rest of the truck, or a second pack in another durometer to swap feels. Prefer the O-ring style with washers? Grab the Pro Duro O-Rings instead.\u003c\/p\u003e\nShop tuning →\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which durometer should I pick?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Start with the turn you want. 51A is the looser of the two, the most responsive tuning we offer. 61A is the firmer of the two, the same feel as our OG bubble bushings.\"}}, {\"@type\": \"Question\", \"name\": \"Does this actually change how my trucks turn, or do I just adjust the nut?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The bushing is what changes the turn. 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