{"product_id":"1-6scale_knucklehead_full_drive_edition","title":"1\/6 Scale Knucklehead - Full Drive Edition -","description":"\u003cdiv style=\"background: linear-gradient(135deg,#1e293b 0%,#334155 100%); padding: 35px 30px; margin: 0 0 30px 0; border-radius: 12px; text-align: center;\"\u003e\n\u003ch2 style=\"color:#f1f5f9;font-size:19px;font-weight:700;margin:0 0 10px 0;line-height:1.4;\"\u003e1936–1947 Knucklehead Engine\u003cbr\u003eFull Drive Edition · 1\/6 Scale\u003c\/h2\u003e\n\u003cp style=\"color:#94a3b8;font-size:14px;margin:0;line-height:1.6;font-style:italic;\"\u003eThe complete powertrain — engine, transmission, and primary — in 1\/6 scale.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv style=\"background: #fef3c7; border-left: 6px solid #f59e0b; padding: 30px 25px; margin: 0 0 30px 0; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin: 0 0 18px 0; font-size: 22px; color: #92400e; font-weight: bold;\"\u003e🏆 What the Full Drive Edition means\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 20px 0; font-size: 15px; color: #78350f; line-height: 1.8;\"\u003eThis is the most complete build in the lineup. It recreates not just the engine, but the \u003cstrong\u003eentire powertrain — transmission and primary included.\u003c\/strong\u003e Just like the real machine, the full path of power from engine to primary to gearbox is all here.\u003c\/p\u003e\n\u003cdiv style=\"background: white; padding: 20px; border-radius: 10px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #475569; line-height: 1.9;\"\u003e✓ Engine (OHV Knucklehead)\u003cbr\u003e✓ 4-speed transmission\u003cbr\u003e✓ Primary chain case\u003cbr\u003e✓ Kick starter\u003cbr\u003e✓ Piping \u0026amp; wiring detail\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"background: #f8fafc; padding: 30px; margin: 0 0 30px 0; border-radius: 12px; border: 1px solid #e2e8f0;\"\u003e\u003cp style=\"font-size:14px;line-height:1.8;color:#334155;margin:0;\"\u003eThe Knucklehead — Harley's first OHV V-twin, built from 1936 to 1947 and named for its knuckle-like rocker boxes. This Full Drive Edition goes all the way: not just the engine, but the entire powertrain — 4-speed transmission, primary chain case, and clutch — all faithfully recreated. This 1\/6-scale piece is built and aged by a single craftsman in Osaka, Japan.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\"background: linear-gradient(135deg,#fffbeb 0%,#fef3c7 100%); padding: 30px; margin: 0 0 30px 0; border-radius: 12px; border: 1px solid #fde68a;\"\u003e\n\u003ch3 style=\"color: #92400e; font-size: 17px; font-weight: bold; margin: 0 0 20px 0;\"\u003e🛠 About this piece\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 14px;\"\u003e\n\u003cdiv style=\"display: flex; gap: 14px; align-items: flex-start;\"\u003e\n\u003cspan style=\"background: #d97706; color: #fff; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: bold; white-space: nowrap; flex-shrink: 0;\"\u003eHand-finished by one craftsman\u003c\/span\u003e\n\u003cp style=\"color: #78350f; font-size: 14px; line-height: 1.6; margin: 0;\"\u003eSanded, primed and painted entirely by hand, one piece at a time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 14px; align-items: flex-start;\"\u003e\n\u003cspan style=\"background: #d97706; color: #fff; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: bold; white-space: nowrap; flex-shrink: 0;\"\u003e5–8 layers of paint\u003c\/span\u003e\n\u003cp style=\"color: #78350f; font-size: 14px; line-height: 1.6; margin: 0;\"\u003eBuilt up from primer to final coat to capture a real metal finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 14px; align-items: flex-start;\"\u003e\n\u003cspan style=\"background: #d97706; color: #fff; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: bold; white-space: nowrap; flex-shrink: 0;\"\u003eReady to display, no assembly\u003c\/span\u003e\n\u003cp style=\"color: #78350f; font-size: 14px; line-height: 1.6; margin: 0;\"\u003eCast in a durable custom resin. Includes a display stand — ready to display on arrival.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 12px; color: #a16207; margin: 16px 0 0 0;\"\u003e▶ Watch the build come together in the video at the bottom of this page.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv style=\"background: linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%); padding: 30px; margin: 0 0 30px 0; border-radius: 12px; border: 1px solid #bbf7d0;\"\u003e\n\u003ch3 style=\"color: #14532d; font-size: 17px; font-weight: bold; margin: 0 0 18px 0;\"\u003e✨ Recommended for\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 10px;\"\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: center;\"\u003e\n\u003cspan style=\"color: #16a34a; font-size: 16px; flex-shrink: 0;\"\u003e✓\u003c\/span\u003e\n\u003cp style=\"color: #166534; font-size: 14px; margin: 0;\"\u003eCollectors who want the complete, full-powertrain Knucklehead build\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: center;\"\u003e\n\u003cspan style=\"color: #16a34a; font-size: 16px; flex-shrink: 0;\"\u003e✓\u003c\/span\u003e\n\u003cp style=\"color: #166534; font-size: 14px; margin: 0;\"\u003eAnyone who loves vintage American V-twins and their history\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: center;\"\u003e\n\u003cspan style=\"color: #16a34a; font-size: 16px; flex-shrink: 0;\"\u003e✓\u003c\/span\u003e\n\u003cp style=\"color: #166534; font-size: 14px; margin: 0;\"\u003eA statement piece for a garage, studio, or office shelf\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: center;\"\u003e\n\u003cspan style=\"color: #16a34a; font-size: 16px; flex-shrink: 0;\"\u003e✓\u003c\/span\u003e\n\u003cp style=\"color: #166534; font-size: 14px; margin: 0;\"\u003eA serious gift for the rider or builder in your life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"background: white; padding: 30px; margin: 0 0 30px 0; border-radius: 12px; border: 1px solid #e2e8f0;\"\u003e\n\u003ch3 style=\"color: #1e293b; font-size: 17px; font-weight: bold; margin: 0 0 18px 0;\"\u003e📐 Product Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b; width: 35%;\"\u003eScale\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003e1\/6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003eApprox. 12cm (H) x 15cm (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b;\"\u003eDisplacement (actual engine)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003e61ci (999cc) \/ 74ci (1,212cc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003eCustom-blended photo-curing resin (UV-curable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003eMulti-layer paint + hand-painted aging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b;\"\u003eMade in\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003eOsaka, Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; color: #64748b;\"\u003eIncludes\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; color: #1e293b; font-weight: 600;\"\u003eDisplay stand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv style=\"background:linear-gradient(135deg,#1e293b 0%,#334155 100%);padding:24px 28px;margin:0 0 30px 0;border-radius:12px;\"\u003e\n\u003cinput type=\"checkbox\" id=\"aging-proc-toggle\" style=\"display:none;position:absolute;\"\u003e\u003clabel for=\"aging-proc-toggle\" style=\"cursor:pointer;font-size:15px;font-weight:700;color:#e2e8f0;display:flex;align-items:center;gap:10px;user-select:none;\"\u003e\u003cspan style=\"background:#f59e0b;color:#fff;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e🔧\u003c\/span\u003eSee the full build process (8 steps)\u003cspan style=\"margin-left:auto;color:#94a3b8;font-size:13px;\"\u003e▼ Tap to expand\u003c\/span\u003e\u003c\/label\u003e\u003cdiv id=\"aging-proc-content\" style=\"display:none;padding-top:18px;\"\u003e\n\u003cdiv style=\"display:flex;flex-direction:column;gap:8px;\"\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e1\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003eSLA resin 3D printing\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eModeled on a high-resolution resin printer — down to the fins and plumbing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e2\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003eCleaning \u0026amp; drying\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eUncured resin is carefully washed away and the part is left to dry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e3\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003eUV post-curing\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eA second UV cure brings the resin up to full strength.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e4\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003eSurface sanding\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eLayer lines are sanded back until the surface is smooth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e5\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003ePriming\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eA primer coat keys the surface so the paint bonds cleanly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e6\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003ePainting\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eCoat after coat from base to finish, chasing a true metal look.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e7\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003eWeathering \u0026amp; aging\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eRust, oil stains and heat-burnt metal, painted on by hand — one piece at a time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:rgba(255,255,255,0.08);padding:12px 16px;border-radius:8px;display:flex;gap:12px;align-items:flex-start;\"\u003e\n\u003cspan style=\"background:#f59e0b;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;\"\u003e8\u003c\/span\u003e\u003cdiv\u003e\n\u003cp style=\"color:#f1f5f9;font-size:14px;font-weight:600;margin:0 0 2px 0;\"\u003eAssembly \u0026amp; final check\u003c\/p\u003e\n\u003cp style=\"color:#94a3b8;font-size:13px;margin:0;line-height:1.6;\"\u003eParts are assembled and the finish gets one last inspection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;color:#94a3b8;text-align:right;margin:8px 0 0 0;font-weight:600;\"\u003eAbout 4-5 days (including drying and curing)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"background: linear-gradient(135deg,#1e293b 0%,#334155 100%); padding: 28px 30px; margin: 0 0 30px 0; border-radius: 12px; text-align:center;\"\u003e\n\u003cp style=\"color:#f1f5f9;font-size:15px;font-weight:700;margin:0 0 8px 0;line-height:1.6;\"\u003eEngine to primary to gearbox — the whole story, in your hand.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003ca href=\"\/en\/collections\/selling\" style=\"color:#f59e0b;font-size:14px;text-decoration:none;font-weight:600;\"\u003eSee all engine models →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin: 30px 0 0 0;\"\u003e\n\u003cdiv style=\"display: flex; justify-content: center;\"\u003e\n\u003cdiv style=\"width: 100%; max-width: 360px; position: relative; padding-bottom: 177.78%; height: 0; overflow: hidden; border-radius: 12px; background:#000;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/wpS383sVtOY\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cstyle\u003e#aging-proc-toggle:checked + label + div#aging-proc-content{display:block!important;}\u003c\/style\u003e","brand":"3dscalemodel","offers":[{"title":"Linkert","offer_id":43265556906043,"sku":"KN-FD-LNK","price":38800.0,"currency_code":"JPY","in_stock":true},{"title":"S\u0026S E","offer_id":43755846664251,"sku":"KN-FD-SSE","price":38800.0,"currency_code":"JPY","in_stock":true},{"title":"S\u0026S B","offer_id":43755846697019,"sku":"KN-FD-SSB","price":38800.0,"currency_code":"JPY","in_stock":true},{"title":"S\u0026S L","offer_id":43755846729787,"sku":"KN-FD-SSL","price":38800.0,"currency_code":"JPY","in_stock":true},{"title":"Two Throat","offer_id":43755846762555,"sku":"KN-FD-TT","price":39800.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/9529\/5291\/files\/IMG_8758.jpg?v=1774227610","url":"https:\/\/scale-model-choppers.com\/en\/products\/1-6scale_knucklehead_full_drive_edition","provider":"Scale Model Choppers","version":"1.0","type":"link"}