{"title":"Calipers","description":"\u003cp\u003eReplacement front and rear brake calipers for eScooters and eBikes. \u003c\/p\u003e","products":[{"product_id":"universal-parts-brake-caliper-for-xiaomi-m365","title":"Universal Parts Brake Caliper for Xiaomi M365","description":"Universal Parts brake caliper  for Xiaomi M365 and M365 PRO and Gotrax G3\/G4.  \u003cbr\u003e\u003cbr\u003eMay also fit similar models from Bird, Lyft, and Spin, please see the Specifications tab for more information.\u003cul\u003e\n\u003cli\u003eMounting Bolt Spacing: 51mm\u003c\/li\u003e\n\u003cli\u003eIncludes Mounting Bolts\u003c\/li\u003e\n\u003c\/ul\u003eXiaomi M365, Xiaomi M365 PRO","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":52688423584112,"sku":"183-20","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/697321.jpg?v=1763160378"},{"product_id":"universal-parts-caliper-brake-for-razor-mx500-mx650-dirt-quad-sx500","title":"Razor MX500\/MX650 Front \u0026 Rear Brake Caliper Assembly","description":"\u003ch2\u003eRestore Stopping Power: Razor MX500\/MX650 Brake Caliper\u003c\/h2\u003e\u003cp\u003eBring your Razor electric bike back to safe operation with this \u003cstrong\u003eUniversal Parts Replacement Brake Caliper\u003c\/strong\u003e. Specifically designed for high-performance Razor dirt bikes and quads, this caliper offers a reliable, low-maintenance solution for worn-out or seized braking systems. It provides consistent stopping power and includes everything needed for a direct swap.\u003c\/p\u003e\u003ch3\u003eKey Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Front\/Rear Fitment:\u003c\/strong\u003e Designed for versatility, this caliper can be used on either the front or rear disc of the vehicle, reducing the need for multiple spare parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete with Pads:\u003c\/strong\u003e Comes pre-loaded with high-friction brake pads, saving you time and ensuring your new caliper is ready to perform out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Alloy Construction:\u003c\/strong\u003e Built from heavy-duty aluminum alloy to withstand high heat and resist corrosion, even during off-road trail use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec Compatibility:\u003c\/strong\u003e Engineered to match the exact mounting dimensions of the original Razor Part #W15128190009.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis caliper is a 100% direct-fit replacement for the following \u003cstrong\u003eRazor\u003c\/strong\u003e electric models:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eVehicle Series\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eModel Compatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDirt Rocket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMX500, MX650, SX500 McGrath\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSport Bike\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRSF350, RSF650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectric Quad\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirt Quad (All Generations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScooters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eE500S (Premium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRazor Part Number:\u003c\/strong\u003e W15128190009\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Orientation:\u003c\/strong\u003e Front or Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Pads:\u003c\/strong\u003e Included (Pre-installed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eRepair Tip:\u003c\/strong\u003e When installing a new caliper, we highly recommend inspecting your \u003cstrong\u003ebrake cable\u003c\/strong\u003e for fraying or stretching. If the cable is sticky, the new caliper will not return properly. For the best performance, clean your brake rotor with a degreaser before your first ride.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 119-211 \u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Universal Parts\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":52688424042864,"sku":"119-211","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/454095.jpg?v=1777180303"},{"product_id":"universal-parts-front-brake-caliper-w-pads","title":"Razor E100, E125, E150 \u0026 eSpark Front Brake Caliper","description":"\u003ch2\u003eReliable Stopping Power: Razor Series Front Brake Caliper\u003c\/h2\u003e\u003cp\u003eRestore the braking performance and safety of your Razor electric scooter with this \u003cstrong\u003eUniversal Parts Replacement Front Caliper\u003c\/strong\u003e. Specifically designed for the E100, E150, and eSpark platforms, this side-pull caliper comes pre-loaded with high-friction brake pads, offering a complete \"bolt-on\" solution to fix spongy braking or seized factory units.\u003c\/p\u003e\u003ch3\u003eCritical Compatibility \u0026amp; Version Guide\u003c\/h3\u003e\u003cp style=\"color: #cc0000; font-weight: bold;\"\u003eRazor scooters are version-specific. Please verify your version before ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRazor E100 \/ E125:\u003c\/strong\u003e Fits Versions 1 and up (V1+).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRazor E150:\u003c\/strong\u003e Fits Versions 6 and up (V6+).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRazor eSpark:\u003c\/strong\u003e Fits all versions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eHow to find your version: Locate the barcode ID on the bottom or side of your scooter. The 7th and 8th digits are your version number (e.g., 01 = V1, 09 = V9).\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Loaded Pads:\u003c\/strong\u003e Includes a fresh set of organic friction pads already installed, saving you time and the extra cost of separate hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide-Pull Actuation:\u003c\/strong\u003e Features a high-tension return spring for a crisp lever feel and immediate pad retraction, preventing unwanted brake drag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Alloy Construction:\u003c\/strong\u003e Manufactured from lightweight, corrosion-resistant alloy designed to withstand the vibrations of sidewalk and neighborhood riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Tension:\u003c\/strong\u003e Includes a built-in barrel adjuster for fine-tuning cable tension without the need for specialized tools.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Front Wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuation:\u003c\/strong\u003e Mechanical Side-Pull\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquivalent MPN:\u003c\/strong\u003e W13111050008\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Caliper Body \u0026amp; Brake Pads\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e If your brake lever feels \"mushy\" even after installing a new caliper, your \u003cstrong\u003eBrake Cable\u003c\/strong\u003e may be stretched or frayed. We recommend inspecting the inner wire for kinks during installation to ensure the smoothest possible braking response.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 119-129 \u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Universal Parts\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":52688427876720,"sku":"119-129","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/453855.jpg?v=1763160726"},{"product_id":"hiboy-brake-caliper-and-rotor-hiboy-s2-pro-ks4-ks4-pro","title":"Hiboy Brake Caliper and Rotor - Hiboy S2 Pro \/ KS4 \/ KS4 Pro","description":"\u003cp\u003eOEM Hiboy brake rotor with brake caliper and hardware for Hiboy S2 Pro, Hiboy KS4, Hiboy KS4 Pro, and Hiboy S2R model electric scooters.\u003c\/p\u003e","brand":"Hiboy","offers":[{"title":"Default Title","offer_id":52688458908016,"sku":"8024019","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/E011EDA1-5F07-4E96-94CC-06CC0C8746B8.jpg?v=1772736970"},{"product_id":"niu-brake-caliper-niu-kqi3-max-kqi-300x","title":"NIU Brake Caliper; NIU KQi3 Max, KQi 300X","description":"\u003cp\u003eNIU OEM Front Disc Brake Caliper and Rear Disc Brake Caliper assembly includes brake pads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable width=\"463\" height=\"25\" style=\"width: 82.0922%;\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 49.8179%;\"\u003e NIU KQi3 Max (Front and Rear)\u003c\/td\u003e\n\u003ctd style=\"width: 49.8179%;\"\u003eNIU KQi 300X (Front and Rear)\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eCheck \"\u003ca href=\"https:\/\/www.scooterworks.com\/pages\/diagrams?tags=NIU%20Kick%20Scooters\u0026amp;page=1\"\u003eShop-by-Diagram\u003c\/a\u003e\" to confirm fitment and see more KQi parts available for your scooter.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eAbout NIU:\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003e\u003c\/b\u003eNIU Technologies (NASDAQ: NIU), founded in 2014, is the world’s leading provider of smart urban mobility solutions that embrace technology, style and freedom.  NIU is committed to continuously providing global customers with more convenient and environmentally friendly smart urban mobility vehicles to make life better. Make life electric with NIU.\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"NIU","offers":[{"title":"Default Title","offer_id":52690288705904,"sku":"H0602002","price":49.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/H0602002_a_279dcef5-fc18-4121-a26d-85bd767f975b.jpg?v=1773333421"},{"product_id":"disc-brake-caliper-genuine-chase","title":"Disc Brake Caliper; Genuine Chase","description":"","brand":"Genuine Kick Scooter","offers":[{"title":"Default Title","offer_id":52690330091888,"sku":"040060299","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/AC3A9490_9fce9729-81a6-4655-8109-61c36836906d.jpg?v=1763203392"},{"product_id":"niu-disc-brake-caliper-w-pads-niu-kqi3-pro-kqi3-sport","title":"NIU KQi3 Disc Brake Caliper with Pads OEM KQi3 Pro, Sport","description":"\u003cp\u003eRestore confident stopping power with this genuine \u003cstrong\u003eNIU OEM Disc Brake Caliper\u003c\/strong\u003e for the KQi3 Pro and KQi3 Sport electric scooters. Brake pads are included, and the caliper fits both the front and rear wheel positions — making it a versatile single-SKU solution for brake caliper replacement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine NIU OEM replacement part\u003c\/li\u003e\n\u003cli\u003eBrake pads included\u003c\/li\u003e\n\u003cli\u003eFits both front and rear wheel positions\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fit — no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Spacing:\u003c\/strong\u003e 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor Diameter:\u003c\/strong\u003e 120mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Caliper assembly with brake pads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNIU KQi3 Pro — Front \u0026amp; Rear\u003c\/li\u003e\n\u003cli\u003eNIU KQi3 Sport — Front \u0026amp; Rear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout NIU\u003c\/h2\u003e\u003cp\u003eNIU is a global leader in smart urban electric scooters, recognized for connected technology, premium build quality, and sleek design. Scooterworks USA is your trusted source for genuine NIU OEM replacement parts.\u003c\/p\u003e\u003cp\u003eLooking for more KQi3 parts? Use the \u003cstrong\u003eShop-by-Diagram\u003c\/strong\u003e tool on our homepage to find every component available for your scooter.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"NIU","offers":[{"title":"Default Title","offer_id":52690330190192,"sku":"H0602001","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/H0602001_2ba887a6-3a86-4b3d-918a-1d3ddaade9bd.jpg?v=1779384626"},{"product_id":"ebike-front-caliper-genuine-cu-500-xs-750f","title":"eBike Front Caliper; Genuine CU 500, XS 750F","description":"","brand":"Genuine E-Bike","offers":[{"title":"Default Title","offer_id":52690410832240,"sku":"2100-1041","price":36.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/2100-1041_03ec66e6-44df-49a8-8b89-01522d92bf2e.jpg?v=1763203859"},{"product_id":"ebike-rear-brake-caliper-genuine-cu-500-xs-750f","title":"eBike Rear Brake Caliper; Genuine CU 500, XS 750F","description":"","brand":"Genuine E-Bike","offers":[{"title":"Default Title","offer_id":52690437702000,"sku":"2100-1042","price":36.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/2100-1042_96837423-1554-4f29-b7d3-6b35646258fa.jpg?v=1763203968"},{"product_id":"niu-brake-caliper-niu-kqi-300p","title":"NIU Brake Caliper; NIU KQi 300P","description":"\u003cp\u003eKQi Front Brake Caliper fits Niu KQi 300P models. \u003c\/p\u003e\u003cp\u003eVisit our \u003ca href=\"https:\/\/www.scooterworks.com\/pages\/diagrams?tags=Electric\u0026amp;page=1\"\u003eShop by Diagram\u003c\/a\u003e page to easily see all Niu KQi parts available for your scooter.  \u003c\/p\u003e","brand":"NIU","offers":[{"title":"Default Title","offer_id":52690503729520,"sku":"H0602005","price":61.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/305EF7E7-9718-44EA-9375-0A2DABE3B82A.png?v=1763205349"},{"product_id":"front-disc-brake-caliper-genuine-trail","title":"Front Disc Brake Caliper; Genuine Trail","description":"","brand":"Genuine Kick Scooter","offers":[{"title":"Default Title","offer_id":52690507301232,"sku":"040020046","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/040020046_98e2ef8c-8193-4624-9bd0-040672f9a080.webp?v=1763205447"},{"product_id":"hiboy-ebike-front-brake-caliper-hiboy-p6","title":"eBike Front Brake Caliper - fits a Hiboy P6","description":"\u003cp\u003eOEM Hiboy eBike front brake caliper.  This is the OEM replacement brake caliper for Hiboy P6 model electric bicycles.\u003c\/p\u003e","brand":"Hiboy","offers":[{"title":"Default Title","offer_id":52690612486512,"sku":"7008027","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/E54EBE85-B4DD-4818-A6BD-36E46BC89C8C.jpg?v=1769465490"},{"product_id":"hiboy-ebike-rear-brake-caliper-hiboy-p6","title":"eBike Rear Brake Caliper - fits a Hiboy P6","description":"\u003cp\u003eOEM Rear Brake Caliper with mounting bracket and hardware for Hiboy P6 model electric bicycles.\u003c\/p\u003e","brand":"Hiboy","offers":[{"title":"Default Title","offer_id":52690612748656,"sku":"7008031","price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/6AFE70C2-F3E2-4901-93E8-BEC871D6D17D.jpg?v=1763207951"},{"product_id":"hiboy-front-brake-caliper-w-brake-pads-hiboy-ex6-ebikes","title":"Hiboy Front Brake Caliper w\/ Brake Pads - Hiboy EX6 eBikes","description":"\u003cp\u003eOEM Hiboy Front Brake Caliper with Front Brake Pads for Hiboy EX6 electric bicycles.\u003c\/p\u003e\u003cp\u003eIncludes mounting hardware.\u003c\/p\u003e","brand":"Hiboy","offers":[{"title":"Default Title","offer_id":52690612945264,"sku":"8059006","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/9ED0DF11-B474-48AD-A081-FC63893EBA72.jpg?v=1763207952"},{"product_id":"rear-disc-brake-caliper-genuine-trail","title":"Rear Disc Brake Caliper; Genuine Trail","description":"","brand":"Genuine Kick Scooter","offers":[{"title":"Default Title","offer_id":52690844123504,"sku":"040020047","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/files\/04C3620C-C36E-44D7-934D-8EC0BA291E77_ed749a17-25ad-4a97-98cd-59fcc143ce26.jpg?v=1763216411"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6772\/7472\/collections\/697322.jpg?v=1765382275","url":"https:\/\/escooterworks.com\/collections\/calipers.oembed","provider":"eScooterworks","version":"1.0","type":"link"}