{"product_id":"kmc-x9-11-128-chain","title":"Kmc X9 11\/128\" Chain","description":"\u003ch2\u003eKMC X9 11\/128\" Chain\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe KMC X9 is a lightweight narrow 11\/128\" 9-speed chain compatible with Shimano, Campagnolo, and SRAM drivetrains. At 288g with 96 links, it features full nickel plating, stretch-proof treatment, chamfered plates, and includes a missing link for tool-free installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction\u003c\/strong\u003e – 288g weight reduces rotational mass compared to wider chain profiles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Nickel Plating\u003c\/strong\u003e – Protective coating resists corrosion and extends chain lifespan in varied weather conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStretch-Proof Treatment\u003c\/strong\u003e – Advanced material treatment resists elongation under load; maintains consistent chain tension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11\/128\" Narrow Profile\u003c\/strong\u003e – Ultra-narrow width optimized for 9-speed cassette spacing and precise shifting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Transmission\u003c\/strong\u003e – Optimized plate geometry facilitates quick, smooth gear changes across the cassette\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfered Inner Plates\u003c\/strong\u003e – Precision-cut inner plates reduce friction and improve shifting performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamfered Outer Plates\u003c\/strong\u003e – Beveled outer plates enhance strength and reduce weight without sacrificing durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistant Riveting\u003c\/strong\u003e – High-quality rivet construction withstands high tension and repeated shifting cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e96 Links\u003c\/strong\u003e – Standard chain length suitable for most frame geometries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMissing Link Included\u003c\/strong\u003e – Quick-release master link enables tool-free chain installation and removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Speed Compatibility\u003c\/strong\u003e – Works exclusively with 9-speed Shimano, Campagnolo, and SRAM cassettes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Construction\u003c\/strong\u003e – High-quality materials and manufacturing ensure durability and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChain size: Narrow 11\/128\"\u003c\/li\u003e\n\u003cli\u003eChain type: Classic links\u003c\/li\u003e\n\u003cli\u003ePitch: 1\/2\" x 11\/128\"\u003c\/li\u003e\n\u003cli\u003eLink count: 96 links\u003c\/li\u003e\n\u003cli\u003ePin length: 6.6mm\u003c\/li\u003e\n\u003cli\u003eWeight: 288g\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel with full nickel plating\u003c\/li\u003e\n\u003cli\u003eTreatment: Stretch-proof\u003c\/li\u003e\n\u003cli\u003eRivet type: Resistant riveting\u003c\/li\u003e\n\u003cli\u003eInner plates: Chamfered\u003c\/li\u003e\n\u003cli\u003eOuter plates: Chamfered\u003c\/li\u003e\n\u003cli\u003eMaster link: Missing link included\u003c\/li\u003e\n\u003cli\u003eSpeed compatibility: 9-speed only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Speed Drivetrains\u003c\/strong\u003e – Compatible exclusively with 9-speed Shimano, Campagnolo, and SRAM systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano 9-Speed Cassettes\u003c\/strong\u003e – Works with standard Shimano 9-speed sprocket systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCampagnolo 9-Speed\u003c\/strong\u003e – Compatible with Campagnolo 9-speed drivetrain components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRAM 9-Speed\u003c\/strong\u003e – Works with SRAM 9-speed cassettes and shifters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRacing and training\u003c\/strong\u003e – Durable construction suitable for competitive and casual riding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight-optimized builds\u003c\/strong\u003e – 288g lightweight ideal for racing-focused setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable terrain\u003c\/strong\u003e – Nickel plating resists corrosion in wet, muddy, or salty conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise shifting\u003c\/strong\u003e – 11\/128\" narrow profile optimized for fast, accurate gear changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-speed performance\u003c\/strong\u003e – Suitable for road, gravel, or BMX multi-speed conversions with 9-speed capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuild Requirements \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Speed Cassette Only\u003c\/strong\u003e – Must be compatible 9-speed Shimano, Campagnolo, or SRAM system; not backward-compatible with 8-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Speed Derailleur System\u003c\/strong\u003e – Requires matching front and rear derailleurs tuned for 9-speed spacing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain Length\u003c\/strong\u003e – 96 links standard; adjust if needed based on frame geometry and largest\/smallest gear combination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMissing Link Installation\u003c\/strong\u003e – Use included master link for tool-free installation and removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProper Tensioning\u003c\/strong\u003e – Maintain appropriate chain tension; inspect periodically for wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned exclusively for 9-speed systems; not compatible with 8-speed or 10+ speed drivetrains\u003c\/li\u003e\n\u003cli\u003e11\/128\" width is narrower than 3\/32\" (8-speed); not interchangeable with wider chains\u003c\/li\u003e\n\u003cli\u003eFull nickel plating protects against corrosion; ideal for varied weather and terrain\u003c\/li\u003e\n\u003cli\u003eStretch-proof treatment maintains consistent tension through extended use\u003c\/li\u003e\n\u003cli\u003eChamfered inner and outer plates improve shifting smoothness and reduce friction\u003c\/li\u003e\n\u003cli\u003eMissing link included; enables quick chain installation without special tools\u003c\/li\u003e\n\u003cli\u003ePin length 6.6mm standard for 11\/128\" chains; compatible with 9-speed chainrings and cassettes\u003c\/li\u003e\n\u003cli\u003eWeight 288g lightweight for 9-speed chain specification; ideal for racing and performance builds\u003c\/li\u003e\n\u003cli\u003eNot backward-compatible with 8-speed systems; verify drivetrain compatibility before ordering\u003c\/li\u003e\n\u003cli\u003ePeriodic inspection recommended to monitor chain wear and elongation\u003c\/li\u003e\n\u003cli\u003eReplace if chain stretch exceeds manufacturer specifications to prevent drivetrain damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\"\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/KMC-Light.png\" width=\"40\"\u003e Light\u003c\/td\u003e\n\u003ctd width=\"25%\"\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/KMC-full_nickel.png\" width=\"40\"\u003e Full Nickel Plated\u003c\/td\u003e\n\u003ctd width=\"25%\"\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/KMC-Stretch_Proof_Treatment.png\" width=\"40\"\u003e Stretch proof treatment\u003c\/td\u003e\n\u003ctd width=\"25%\"\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/KMC-Double_X_Bridge.png\" width=\"40\"\u003e Fast transmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/Outer_Plate_Chamfering.png\" width=\"40\"\u003e Chamferring Inner plates\u003c\/td\u003e\n\u003ctd\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/KMC-Mushroomed_Riveting-.png\" width=\"40\"\u003e Resistant riveting\u003c\/td\u003e\n\u003ctd\u003e\n\u003cimg alt=\"\" src=\"http:\/\/www.usprobikes.com\/img\/icones\/KMC-Inner_Plate_Chamfering.png\" width=\"40\"\u003e Chamferring Outer plates\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003cdiv\u003e\u003cp.\u003e\u003ci\u003e\u003cu\u003e\u003cfont size=\"2\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/p.\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"KMC","offers":[{"title":"Silver \/ Silver","offer_id":45037904658611,"sku":"KMC_X9_SLSL","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Black","offer_id":45273465880755,"sku":"KMC_X9_BKBK","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/kmc-x9-11128-chain.jpg?v=1783445735","url":"https:\/\/time2shinebmx.com\/products\/kmc-x9-11-128-chain","provider":"Time 2 Shine ","version":"1.0","type":"link"}