{"product_id":"stem-bolt-kit","title":"Stem Bolt Kit (Pair)","description":"\u003ch4 data-path-to-node=\"4\"\u003eProduct Overview\u003c\/h4\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe caster stem bolt is the most critical structural link on your sports wheelchair, acting as the main pivot pin that secures the front caster fork to the caster housing frame (the caster pot). Engineered specifically to handle the extreme lateral torque, high-velocity pivoting, and heavy impact collisions of wheelchair basketball, tennis, and rugby, this hardware set ensures \u003cb data-path-to-node=\"5\" data-index-in-node=\"380\"\u003emaximum steering accuracy\u003c\/b\u003e and \u003cb data-path-to-node=\"5\" data-index-in-node=\"410\"\u003eeliminates dangerous caster flutter\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"6\"\u003eKit Components \u0026amp; Technical Specifications\u003c\/h4\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eHigh-Tensile 1\/2\" Stainless Steel Stem Bolt:\u003c\/b\u003e The core of the assembly is a premium 1\/2\" diameter bolt made from high-grade stainless steel. This material resists rust and corrosion caused by athletic sweat and outdoor environments. Effective bolt lengths range from \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"266\"\u003e2.5 inches to 3.0 inches\u003c\/b\u003e to perfectly accommodate different caster pot depths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eNylon-Insert Lock Nut (Nylon):\u003c\/b\u003e A heavy-duty locking nut designed to thread onto the top of the stem bolt. The integrated nylon collar tightly grips the bolt's threads, ensuring the assembly \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"190\"\u003enever backs out or vibrates loose\u003c\/b\u003e during high-impact court play.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eLow-Friction Stainless Steel Washers:\u003c\/b\u003e Positioned at the top and bottom of the caster housing, these precision washers distribute load forces evenly and prevent the moving fork from grinding against the stationary frame.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eInternal Alignment Spacers:\u003c\/b\u003e Rigid sleeves designed to sit inside the caster barrel, keeping the upper and lower R8 bearings perfectly aligned and preventing internal binding under heavy loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"8\"\u003eKey Performance Benefits\u003c\/h4\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eEliminates High-Speed Wobbles:\u003c\/b\u003e Replacing worn, bent, or undersized bolts with a precise 1\/2\" stainless assembly removes vertical and lateral \"slop,\" keeping your caster wheels tracking perfectly straight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eInstant Steering Response:\u003c\/b\u003e A tight, properly tensioned stem bolt translates every ounce of your pushing energy into immediate direction changes and agile court maneuvering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eCourt-Ready Durability:\u003c\/b\u003e Standard everyday wheelchair hardware is often made of softer metals. This kit's high-tensile stainless steel structure resists bending when hitting court barriers, athletic chairs, or sudden floor transitions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"10\"\u003eCompanion Accessory: PER4MAX Caster Pot Dust Caps\u003c\/h4\u003e\n\u003cp data-path-to-node=\"11\"\u003eTo maximize the lifespan of your new hardware, these stem bolt assemblies are best paired with \u003cb data-path-to-node=\"11\" data-index-in-node=\"95\"\u003ePER4MAX Caster Pot Dust Caps\u003c\/b\u003e. These custom-molded composite caps snap directly onto the top of your caster barrels, sealing the stem bolt head, locking nut, and internal bearings from hair, moisture, dirt, and court debris.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eMaintenance Summary\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eFor active court athletes, steering maintenance is crucial. If your front casters are shaking, squeaking, or showing tracking issues, replacing your worn hardware with high-strength \u003cb data-path-to-node=\"14\" data-index-in-node=\"182\"\u003e1\/2\" stainless steel bolts\u003c\/b\u003e and fresh \u003cb data-path-to-node=\"14\" data-index-in-node=\"219\"\u003enylon locknuts\u003c\/b\u003e is essential for maintaining your competitive edge and safety on the court.\u003c\/p\u003e","brand":"Per4Max Store","offers":[{"title":"Standard (2.5)","offer_id":44099038969921,"sku":"CST-STMBLT-2.5","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Mid (2.75)","offer_id":44220597567553,"sku":"CST-STMBLT-2.75","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Long (3.0)","offer_id":44099039002689,"sku":"CST-STMBLT-3.0","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6762\/7841\/files\/IMG_7054.jpg?v=1784298395","url":"https:\/\/per4max.com\/products\/stem-bolt-kit","provider":"PER4MAX SHOP","version":"1.0","type":"link"}