{"title":"Polarna E-Bike Parts","description":"\u003cp\u003ePolarna e-bikes are built for adventure—from the folding full-suspension M4 to the rugged X-01 and versatile GDS models. Whether you're replacing a worn component, upgrading performance, or restoring a second-hand bike, you've come to the right place.\u003c\/p\u003e","products":[{"product_id":"polarna-seat-seat-post-seat-post-clamp","title":"Polarna E-Bike Seat Post \u0026 Saddle Kit with Clamp and Shim","description":"\u003cdiv class=\"chat__message bot-message\"\u003e\n\u003cdiv class=\"chat__message__text\"\u003e\n\u003cp\u003eComplete replacement kit designed for Polarna M3, M4, M6, and Rota 04 e-bikes. This set includes a comfortable saddle, sturdy seat post, secure clamp, and Shim ensuring a stable, wobble-free ride. Whether you're commuting through the city or riding weekend trails, this setup helps keep your seat secure and your ride comfortable and controlled. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Maintebike","offers":[{"title":"M3 \/ Seat","offer_id":51858774425831,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"M3 \/ Seat Post","offer_id":51858774458599,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true},{"title":"M3 \/ Upgrade Seat Post","offer_id":51858871582951,"sku":null,"price":48.0,"currency_code":"USD","in_stock":false},{"title":"M3 \/ Seat Post Clamp","offer_id":51858774491367,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"M3 \/ Shim","offer_id":51858871615719,"sku":null,"price":13.0,"currency_code":"USD","in_stock":true},{"title":"M3 \/ Seat \u0026 Seat Post \u0026 Seat Post Clamp","offer_id":51858774524135,"sku":null,"price":77.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Seat","offer_id":51858820464871,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Seat Post","offer_id":51858820497639,"sku":null,"price":40.0,"currency_code":"USD","in_stock":false},{"title":"M4 \/ Upgrade Seat Post","offer_id":51858871648487,"sku":null,"price":48.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Seat Post Clamp","offer_id":51858820530407,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Shim","offer_id":51858871681255,"sku":null,"price":13.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Seat \u0026 Seat Post \u0026 Seat Post Clamp","offer_id":51858820563175,"sku":null,"price":77.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Seat","offer_id":51858820595943,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Seat Post","offer_id":51858820628711,"sku":null,"price":40.0,"currency_code":"USD","in_stock":false},{"title":"M6 \/ Upgrade Seat Post","offer_id":51858871714023,"sku":null,"price":48.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Seat Post Clamp","offer_id":51858820661479,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Shim","offer_id":51858871746791,"sku":null,"price":13.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Seat \u0026 Seat Post \u0026 Seat Post Clamp","offer_id":51858820694247,"sku":null,"price":77.0,"currency_code":"USD","in_stock":true},{"title":"Rota 04 \/ Seat","offer_id":51858820727015,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"Rota 04 \/ Seat Post","offer_id":51858820759783,"sku":null,"price":15.0,"currency_code":"USD","in_stock":false},{"title":"Rota 04 \/ Upgrade Seat Post","offer_id":51858871779559,"sku":null,"price":30.0,"currency_code":"USD","in_stock":false},{"title":"Rota 04 \/ Seat Post Clamp","offer_id":51858820792551,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"Rota 04 \/ Shim","offer_id":51858871812327,"sku":null,"price":13.0,"currency_code":"USD","in_stock":true},{"title":"Rota 04 \/ Seat \u0026 Seat Post \u0026 Seat Post Clamp","offer_id":51858820825319,"sku":null,"price":77.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8552\/1383\/files\/Polarna_E-Bike_Seat-M3.jpg?v=1773414210"},{"product_id":"polarna-e-bike-7-8-speed-drivetrain-kit","title":"Polarna E-Bike 7\/8 Speed Drivetrain Kit","description":"\u003cp\u003eComplete drivetrain replacement kit for Polarna e-bikes. Includes crank arms, front\/rear derailleur, derailleur protector, 7\/8-speed chain, and cassette\/freewheel. Fits Polarna M4, X-01, GDS, and more. OEM quality, reinforced for e-bike torque. \u003c\/p\u003e","brand":"Maintebike","offers":[{"title":"Rear Derailleur \/ Polarna M3","offer_id":51858812502247,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true},{"title":"Rear Derailleur \/ Polarna M4","offer_id":51858812535015,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true},{"title":"Rear Derailleur \/ Polarna M6","offer_id":51858971001063,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true},{"title":"Rear Derailleur \/ Polarna Rota04","offer_id":51858971033831,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true},{"title":"Rear Derailleur \/ Polarna X-01","offer_id":51858971066599,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true},{"title":"Front Shifter \/ Polarna M3","offer_id":51858812600551,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"Front Shifter \/ Polarna 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you're riding a 70-pound fat tire e-bike at nearly 30 mph, brakes aren't optional – they're everything. Polarna e-bikes are known for packing hydraulic disc brakes at affordable prices, but even the best brakes wear out over time. Whether you need to replace worn components, upgrade to larger rotors, or refresh a project bike, we have the exact brake kits for your Polarna.\u003c\/p\u003e","brand":"Maintebike","offers":[{"title":"Polarna M4 \/ Hydraulic Brakes","offer_id":51859011010791,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M4 \/ Mechanical Disc Brakes Levels","offer_id":51859040895207,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M4 \/ Mechanical Disc Brakes Capliers","offer_id":51859040927975,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"Polarna ROTA4 \/ Hydraulic Brakes","offer_id":51859011043559,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true},{"title":"Polarna ROTA4 \/ Mechanical Disc Brakes Levels","offer_id":51859040960743,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true},{"title":"Polarna ROTA4 \/ Mechanical Disc Brakes Capliers","offer_id":51859040993511,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M3 \/ Hydraulic Brakes","offer_id":51859011076327,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M3 \/ Mechanical Disc Brakes Levels","offer_id":51859041026279,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M3 \/ Mechanical Disc Brakes Capliers","offer_id":51859041059047,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M6 \/ Hydraulic Brakes","offer_id":51859011109095,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M6 \/ Mechanical Disc Brakes Levels","offer_id":51859041091815,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M6 \/ Mechanical Disc Brakes Capliers","offer_id":51859041124583,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"Polarna X-01 \/ Hydraulic Brakes","offer_id":51859011141863,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true},{"title":"Polarna X-01 \/ Mechanical Disc Brakes Levels","offer_id":51859041157351,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true},{"title":"Polarna X-01 \/ Mechanical Disc Brakes Capliers","offer_id":51859041190119,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8552\/1383\/files\/Polarna_E-Bike_Hydraulic_Brakes.jpg?v=1773417437"},{"product_id":"polarna-e-bike-battery-charger","title":"Polarna E-Bike Battery Charger \u0026 Charging Port Waterproof Plug","description":"\u003cdiv dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\" id=\"model-response-message-contentr_b946cf0f6368f852\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-96\" data-turn-id=\"request-69a1a80e-ae04-83e8-be10-731f42649445-46\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"48d1198e-b3d0-4613-8147-5ca774ddf201\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp\u003eKeep your \u003cstrong\u003ePolarna M3, M4, M6, Rota 04, and X-01 e-bikes\u003c\/strong\u003e powered and protected with this charger and charging port waterproof plug set. Designed to match the original specifications, the charger delivers stable and reliable power, while the waterproof plug helps protect the charging port from dust, dirt, and moisture. A practical combo to keep your e-bike ready for every ride. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003eNote: 2 charging waterproof plugs\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none h-px w-px absolute bottom-0\" data-edge=\"true\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Maintebike","offers":[{"title":"M3 \/ Charger","offer_id":51859033784551,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"M3 \/ Charging port waterproof plug","offer_id":51859064193255,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Charger","offer_id":51859033817319,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ Charging port waterproof plug","offer_id":51859064226023,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Charger","offer_id":51859033850087,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ Charging port waterproof plug","offer_id":51859064258791,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"X-02 \/ Charger","offer_id":51859033915623,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"X-02 \/ Charging port waterproof plug","offer_id":51859064324327,"sku":null,"price":12.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8552\/1383\/files\/Polarna-E-Bike-Battery-Charger.jpg?v=1773417134"},{"product_id":"polarna-e-bike-20-inch-kickstand","title":"Polarna E-Bike 20 Inch Kickstand","description":"\u003cdiv class=\"ds-message _63c77b1\"\u003e\n\u003cdiv class=\"ds-markdown\"\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis comprehensive kickstand solution gives Polarna owners a perfect, heavy-duty replacement that's specifically designed for their 20\" fat tire e-bikes. By offering multiple footpad options and clear installation guidance, we ensure customers get the right stand for their riding conditions .\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ds-theme\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-flex _0a3d93b\"\u003e\n\u003cdiv class=\"ds-flex _965abe9 _54866f7\"\u003e\n\u003cdiv class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" role=\"button\" aria-disabled=\"false\" tabindex=\"0\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Maintebike","offers":[{"title":"Polarna M3","offer_id":51859054559463,"sku":null,"price":21.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M4","offer_id":51859054592231,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true},{"title":"Polarna M6","offer_id":51859054624999,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true},{"title":"Polarna X-01","offer_id":51859054657767,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true},{"title":"Polarna ROTA04","offer_id":51859054690535,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8552\/1383\/files\/Polarna_E-Bike_20_Inch_Kickstand-2.jpg?v=1773417739"},{"product_id":"polarna-e-bike-20-inch-inner-tubes","title":"Polarna E-Bike 20 Inch Inner Tubes","description":"\u003cp\u003eFlat tires happen. 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And because you get two, you can replace both tires at once or keep one as a backup.\u003c\/p\u003e","brand":"Maintebike","offers":[{"title":"M3","offer_id":51887158165735,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true},{"title":"M6","offer_id":51887158198503,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true},{"title":"M4","offer_id":51887158231271,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true},{"title":"X-01","offer_id":51887165800679,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8552\/1383\/files\/Polarna_E-Bike_20_Inch_Inner_Tubes.jpg?v=1773844715"},{"product_id":"polarna-e-bike-pedals","title":"Polarna E-Bike Pedals","description":"\u003cp\u003eLooking for replacement pedals for your Polarna? You're in the right place. Whether you need the folding aluminum pedals for easy storage or the durable plastic platform pedals for daily commuting, we have the exact OEM match for your model.\u003cbr\u003e\u003c\/p\u003e","brand":"Maintebike","offers":[{"title":"M4","offer_id":51887211643111,"sku":"Tesgo Hun (8-Speed Cassette)","price":30.0,"currency_code":"USD","in_stock":true},{"title":"M3","offer_id":51887211675879,"sku":"Tesgo Leopard (8-Speed Cassette)","price":30.0,"currency_code":"USD","in_stock":true},{"title":"M6","offer_id":51887211708647,"sku":"Tesgo Freewheel (9-Speed Wheel)","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Rota04","offer_id":51887211741415,"sku":"Tesgo Seeker (7-Speed Freewheel)","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8552\/1383\/files\/M3_M4_M6_26.jpg?v=1773845938"},{"product_id":"polarna-challenger-handlebar-grips","title":"Polarna Challenger Handlebar Grips","description":"\u003cp class=\"ds-markdown-paragraph\"\u003eThese replacement Handlebar Grips are made to perfectly fit your Polarna M3, M4, and X-01 models. 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Worn headset bearings compromise your control and ruin the riding experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis \u003c\/span\u003eHeadset Bearing Kit\u003cspan\u003e is the exact replacement part you need. 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