{"product_id":"sprindex-trail-rear-shock-spring-rssp0079-mtb-rear-shock-spring","title":"Sprindex Adjustable Weight Rear Coil Spring for XC \u0026 Trail Bikes | 650-760 lb, 55mm, High Tensile Steel, Customizable Spring Rate \u0026 Compatibility Adapters","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your XC and Trail riding experience with the Sprindex Adjustable Weight Rear Coil Spring - 650-760 lbs, 55mm Stroke, the ultimate solution for personalized suspension tuning. Crafted for serious riders and bike technicians, this innovative coil spring offers unmatched adjustability, durability, and performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from super high tensile spring steel, the Sprindex coil delivers exceptional strength-to-weight ratio, ensuring resilience under high stress and repeated compression cycles. Its lightweight design mimics the properties of specialized \"lightweight\" springs, reducing overall unsprung mass for improved handling and ride responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Adjustability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered for precise suspension customization, this coil features an adjustable base spring rate-simply modify the length of effective coils to fine-tune your shock's feel. The set includes five Delrin performance adapters, allowing the spring to spin smoothly during compression and adapt seamlessly to various shock models and sizes. This flexibility enables riders to optimize damping and ride comfort across diverse trail conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eInnovative Components \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThe coil's design maintains its length regardless of spring rate adjustments, ensuring consistent preload settings and straightforward tuning. The linear spring rate in the first 80% of the stroke combined with a progressive rate in the final 20% provides excellent bottom-out control and a smooth overall ride. The included adapters cater to different shock diameters, making this spring versatile across multiple setups.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eIdeal for cross-country and trail riders seeking a lightweight, highly customizable suspension upgrade, the Sprindex spring enhances trail responsiveness and reduces shock fade. Its sleek black finish complements any bike setup, while its adjustable features make it perfect for personalized performance tuning on mountain biking adventures.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eKey Features \u0026amp; Differentiators\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- 126mm length optimized for XC and trail applications\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Adjustable spring rate from 650 to 760 lbs for tailored damping characteristics\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Includes 5 Delrin adapters for compatibility with various shock sizes and configurations\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Constructed from lightweight, high-tensile spring steel for durability and reduced weight\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Proprietary design maintaining consistent preload and stroke behavior\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Spring Size: 124x55mm (for 55mm stroke shocks)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Rated for 650-760 lbs\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Travel: 55mm (2.2 inches)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Color: Black\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Model: Trail\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003eOptimize your mountain bike's suspension performance with the Sprindex Adjustable Weight Rear Coil Spring-designed for riders demanding precision, durability, and enhanced trail confidence.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eVersatile 126mm coil spring designed specifically for XC and Trail mountain bike applications, providing optimal performance for cross-country and trail riding disciplines. \u003c\/li\u003e\n\u003cli\u003eFeatures adjustable spring rate from 650 to 760 lbs, allowing riders to fine-tune suspension responsiveness for different terrains and riding styles without altering preload settings. \u003c\/li\u003e\n\u003cli\u003eConstructed from super high tensile spring steel, ensuring exceptional durability, lightweight performance, and the ability to handle high stress loads during aggressive riding and upward of maximum spring rates. \u003c\/li\u003e\n\u003cli\u003eIncludes five Delrin performance adapters that enable compatibility with a wide range of shocks, allowing the spring to spin smoothly under compression and adapt to various shock configurations. \u003c\/li\u003e\n\u003cli\u003eInnovative design with a progressive last 20% of the stroke for improved bottom-out resistance and ride comfort, making it ideal for aggressive trail riding and technical climbs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Sprindex","offers":[{"title":"Default Title","offer_id":42204656009283,"sku":"RSSP0079","price":159.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/942535-17_1.jpg?v=1779326590","url":"https:\/\/365cycles.com\/products\/sprindex-trail-rear-shock-spring-rssp0079-mtb-rear-shock-spring","provider":"365 Cycles","version":"1.0","type":"link"}