{"product_id":"shs-gearbox-bushings","title":"SHS Bushings — Set of Six","description":"\u003cdiv style=\"background:#edfaf1;border-left:4px solid #27ae60;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#1a6b3a;\"\u003eSHS Bushings — the plain bearing surface the gear shafts turn in, six to a set.\u003c\/strong\u003e Pick the size your shell is cut for.\n\u003c\/div\u003e\n\u003cp\u003eBushings are the sleeves the gear shafts ride in. They take every bit of load the gear train produces and they wear out quietly, long before anything sounds obviously wrong.\u003c\/p\u003e\n\u003cp\u003eA worn bushing lets its gear tilt. That misaligns the mesh, chews teeth unevenly and puts the noise down to something else entirely, which is why they get replaced late.\u003c\/p\u003e\n\u003cp\u003eSize is fixed by the gearbox shell, not by choice. A shell cut for 8mm takes 8mm, and opening it out to take something larger is machining work rather than an upgrade path.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;margin:0 0 18px;\"\u003e\n\u003ctr style=\"background:#1B3A6B;color:#fff;\"\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePart\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eGearbox bushings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSizes\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e7mm, 8mm and 9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eQuantity\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSix per set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSold as\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSet of six\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eGood to know before you buy\u003c\/h2\u003e\n\u003cp\u003eBushings are the cheaper, simpler alternative to ball bearings. They cope better with heavy springs and shock loads, where bearings can brinell, so a hard-hitting build is often better off on bushings.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhich size do I need?\u003c\/strong\u003e \u003cbr\u003eMeasure the bushing you are removing, or check what the shell is cut for. Most Version 2 and Version 3 gearboxes are 6mm, 7mm or 8mm from the factory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBushings or bearings?\u003c\/strong\u003e \u003cbr\u003eBushings last better behind heavy springs. Bearings reduce friction and suit lighter, faster builds. Neither is simply better than the other.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to glue them in?\u003c\/strong\u003e \u003cbr\u003eThey are an interference fit. If one is loose enough to need adhesive, the shell is worn and that is the real problem.\u003c\/p\u003e\n\u003cdiv style=\"background:#fffbe6;border-left:4px solid #f0d060;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n⚠ \u003cstrong\u003eSize is set by the shell:\u003c\/strong\u003e a gearbox cut for one bushing size will not accept another, and opening the holes out is a machining job rather than a fitting one.\n\u003c\/div\u003e\n\u003cdiv style=\"background:#1B3A6B;color:#fff;padding:12px 16px;border-radius:6px;margin:18px 0 0;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#fff;\"\u003e💡 Titan Forge Airsoft tip:\u003c\/strong\u003e Change all six together. A fresh bushing next to five worn ones simply moves the misalignment somewhere else. Browse \u003ca href=\"\/collections\/gearbox-parts\" style=\"color:#cdd6f4;\"\u003egearbox parts\u003c\/a\u003e.\n\u003c\/div\u003e","brand":"SHS","offers":[{"title":"7mm","offer_id":55677867557240,"sku":"58011664","price":7.95,"currency_code":"GBP","in_stock":true},{"title":"8mm","offer_id":55677867590008,"sku":"16978955","price":7.95,"currency_code":"GBP","in_stock":true},{"title":"9mm","offer_id":55677867622776,"sku":"80200546","price":7.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/SHSGearboxBushings7mm8mmand9mm_TitanForgeAirsoft-1.webp?v=1790352714","url":"https:\/\/www.titanforgeairsoft.com\/products\/shs-gearbox-bushings","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}