Kaisda K7 Step-Through Foldable E-Bike
Why Buy From Ecocycle Hub? Official Authorized Dealer: All e-bikes come with a genuine manufacturer's warranty. Bike-to-Work Approved: Save up to 52% through tax savings! We handle the paperwork and issue your HR-ready invoice within 24 hours. 🎁 Exclusive Offer: Buy 2 e-bikes today and get professional assembly & home delivery completely FREE (saving you €180)! 🇮🇪 Local Support: Dedicated Ireland-based customer care and remote after-sales support. Kaisda K7 – The Step-Through Folding E-Bike Kaisda K7 – a step-through foldable fat-tyre e-bike with a low frame for easy mounting and dismounting (ideal for seniors or riders with limited mobility), 70 km range, 250W motor, and SHIMANO 7-speed gearing. Easy to board, folds in 15 seconds, rides anywhere. Easy to Mount, Effortless to Ride Step-through low-frame design – easy to mount and dismount, ideal for seniors, commuters, and riders with limited mobility Folds in 15 seconds – tool-free folding, compact for car trunks or apartments 36V 13Ah removable battery – 468Wh capacity, 45–70 km range 250W brushless motor – 54Nm torque, climbs gradients up to 30° 20" fat tyres – all-terrain grip on snow, beach, gravel, and city streets SHIMANO 7-speed gears – smooth shifting for hills and flats Mechanical disc brakes – reliable all-weather stopping power Lightweight aluminium frame – 28 kg, supports up to 150 kg payload Fits riders 155–180 cm /* ===== 弹窗按钮 ===== */ .spec-btn, .size-btn, .btw-btn { background: #1a1a2e; color: #fff; border: none; padding: 12px 28px; font-size: 16px; font-weight: 600; border-radius: 40px; cursor: pointer; transition: 0.3s; box-shadow: 0 4px 14px rgba(0,0,0,0.15); display: inline-block; margin: 6px 6px; letter-spacing: 0.5px; } .spec-btn:hover, .size-btn:hover, .btw-btn:hover { background: #16213e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.25); } /* Bike to Work 按钮单独配色 */ .btw-btn { background: #2e7d32; } .btw-btn:hover { background: #1b5e20; } /* ===== 弹窗遮罩 ===== */ .spec-modal, .size-modal, .btw-modal { display: none; position: fixed; z-index: 99999; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.65); backdrop-filter: blur(4px); justify-content: center; align-items: center; animation: fadeIn 0.25s ease; } .spec-modal.show, .size-modal.show, .btw-modal.show { display: flex; } /* ===== 弹窗卡片 ===== */ .spec-modal-content, .size-modal-content, .btw-modal-content { background: #ffffff; width: 92%; max-width: 820px; max-height: 88vh; border-radius: 20px; padding: 28px 32px 24px; overflow-y: auto; position: relative; box-shadow: 0 30px 60px rgba(0,0,0,0.4); animation: slideUp 0.3s ease; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; } /* ===== 关闭按钮 ===== */ .spec-close, .size-close, .btw-close { position: sticky; top: 0; float: right; font-size: 28px; font-weight: 300; color: #888; cursor: pointer; background: none; border: none; padding: 0 6px; transition: 0.2s; line-height: 1; margin-top: -4px; } .spec-close:hover, .size-close:hover, .btw-close:hover { color: #000; transform: rotate(90deg); } /* ===== 弹窗标题 ===== */ .spec-modal-content h2, .size-modal-content h2, .btw-modal-content h2 { font-size: 24px; font-weight: 700; color: #1a1a2e; margin: 0 0 4px 0; padding-right: 40px; border-bottom: 3px solid #e8e8e8; padding-bottom: 12px; } .spec-modal-content .sub, .size-modal-content .sub, .btw-modal-content .sub { font-size: 14px; color: #888; margin-top: -6px; margin-bottom: 16px; } /* ===== 规格表格 ===== */ .spec-table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.6; } .spec-table tr { border-bottom: 1px solid #f0f0f0; } .spec-table tr:last-child { border-bottom: none; } .spec-table td { padding: 7px 6px 7px 0; vertical-align: top; } .spec-table .label { font-weight: 600; color: #1a1a2e; width: 35%; } .spec-table .value { color: #333; width: 65%; } .spec-table .group-row td { padding-top: 14px; padding-bottom: 4px; font-weight: 700; font-size: 15px; color: #e8491d; border-bottom: 2px solid #e8491d; } .spec-table .group-row:first-child td { padding-top: 2px; } /* ===== 尺寸图 & 尺寸表格 ===== */ .size-modal-content .size-image { width: 100%; max-width: 600px; display: block; margin: 0 auto 16px; border-radius: 8px; background: #f8f8f8; padding: 10px; border: 1px solid #eee; box-sizing: border-box; } .size-table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.6; margin-top: 6px; } .size-table tr { border-bottom: 1px solid #f0f0f0; } .size-table tr:last-child { border-bottom: none; } .size-table td { padding: 6px 6px 6px 0; vertical-align: top; } .size-table .label { font-weight: 600; color: #1a1a2e; width: 45%; } .size-table .value { color: #333; width: 55%; } .size-table .group-row td { padding-top: 12px; padding-bottom: 4px; font-weight: 700; font-size: 15px; color: #e8491d; border-bottom: 2px solid #e8491d; } .size-table .group-row:first-child td { padding-top: 2px; } .size-table .note-row td { padding-top: 10px; padding-bottom: 6px; font-style: italic; color: #888; font-size: 13px; border-bottom: 2px solid #eee; } /* ===== Bike to Work 弹窗内容 ===== */ .btw-content { text-align: center; padding: 10px 0; } .btw-content p { font-size: 15px; color: #555; line-height: 1.6; margin-bottom: 18px; } .btw-content .highlight { color: #2e7d32; font-weight: 700; } .btw-content .btn-apply { background: #2e7d32; color: #fff; padding: 14px 40px; border-radius: 40px; text-decoration: none; font-weight: 700; font-size: 18px; display: inline-block; transition: 0.3s; border: none; cursor: pointer; } .btw-content .btn-apply:hover { background: #1b5e20; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(46, 125, 50, 0.3); } /* ===== 分割标题（弹窗内小标题） ===== */ .section-title { font-size: 18px; font-weight: 700; color: #1a1a2e; margin: 18px 0 6px 0; padding-bottom: 6px; border-bottom: 2px solid #e8491d; } /* ===== 滚动条 ===== */ .spec-modal-content::-webkit-scrollbar, .size-modal-content::-webkit-scrollbar, .btw-modal-content::-webkit-scrollbar { width: 5px; } .spec-modal-content::-webkit-scrollbar-track, .size-modal-content::-webkit-scrollbar-track, .btw-modal-content::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 10px; } .spec-modal-content::-webkit-scrollbar-thumb, .size-modal-content::-webkit-scrollbar-thumb, .btw-modal-content::-webkit-scrollbar-thumb { background: #ccc; border-radius: 10px; } .spec-modal-content::-webkit-scrollbar-thumb:hover, .size-modal-content::-webkit-scrollbar-thumb:hover, .btw-modal-content::-webkit-scrollbar-thumb:hover { background: #aaa; } /* ===== 动画 ===== */ @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } } @keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } } /* ===== 移动端 ===== */ @media (max-width: 600px) { .spec-modal-content, .size-modal-content, .btw-modal-content { padding: 18px 14px 16px; width: 96%; max-height: 92vh; } .spec-modal-content h2, .size-modal-content h2, .btw-modal-content h2 { font-size: 19px; padding-bottom: 8px; } .spec-table td, .size-table td { padding: 5px 3px 5px 0; font-size: 13px; } .spec-btn, .size-btn, .btw-btn { padding: 10px 20px; font-size: 14px; width: 88%; text-align: center; } .size-modal-content .size-image { padding: 6px; } .btw-content .btn-apply { padding: 12px 28px; font-size: 16px; width: 100%; box-sizing: border-box; } } 📋 Specifications 📦 Box & Size 🚲 Bike to Work ✕ Specifications Kaisda K7 — Full Technical Details ⚡ POWER & PERFORMANCE Motor 250W (Sustained), 36V Brushless Rear Hub Motor Maximum Torque 50 Nm Battery Lithium-ion 36V, 13Ah (468Wh) with Samsung cells Charger 36V 2AH Charger, 5–6 Hours Charging Throttle Thumb Throttle Display LCD Smart Easy Read Display, Colorful screen Sensor Cadence Sensor Range 40–65 km Speed Default 25 km/h Pedal Assist 5 levels 🚲 FRAMESET & COMPONENTS Frame Aluminum alloy Handlebars Aluminum 25.4mm, 660mm Fork Spring suspension, 50mm travel Brakes Mechanical disc brake Transmission SHIMANO 7 Speed Tires CY 20" × 1.95" Wheels Aluminum 36h Front & Rear Tubes Butyl Rubber, Schrader Valve Headlight LED Light Tail Light Dry battery tail light Chain Ring 170mm w/ 42T Pedals Platform Pedals Seat Silicone Seat Seatpost Aluminum Alloy, 27.2×350mm with Shock Absorbing Kickstand Included, Rear Mount Folding Parts N/A 📦 WEIGHT & CAPACITY Bike Weight 28 kg Weight Capacity 150 kg Rider Height 160 – 190 cm Specifications subject to change without prior notice. ✕ Box & Size Kaisda K7 — What's Inside & Frame Dimensions 📐 Geometry & Size All measurements provided in cm unless otherwise noted. Rider Height 160 – 190 cm Weight Capacity 150 kg 📏 DIMENSIONS A – Maximum Seat Height 113 cm B – Minimum Seat Height 88 cm C – Standover Height 33 cm D – Frame Size 43 cm E – Maximum Handlebar Height 120 cm F – Minimum Handlebar Height 100 cm G – Bottom Bracket Height 30 cm H – Top Tube Length 66 cm I – Wheelbase Length 112 cm J – Total Length 162 cm Please note: The product you receive is based on the option you selected to order. Measurements are approximate and may vary slightly between units. ✕ 🚲 Bike to Work Scheme Save up to 52% on your Kaisda K7 through tax savings With the Bike to Work Scheme, you can save up to 52% on your Kaisda K7 through tax relief. We handle all the paperwork and issue your HR-ready invoice within 24 hours. Apply Now → Click to learn more and start your application Terms and conditions apply. Subject to employer approval. // ===== Specifications 弹窗 ===== function openSpec() { document.getElementById('specModal').classList.add('show'); document.body.style.overflow = 'hidden'; } function closeSpec() { document.getElementById('specModal').classList.remove('show'); document.body.style.overflow = ''; } function closeSpecOutside(e) { if (e.target === document.getElementById('specModal')) { closeSpec(); } } // ===== Box + Size 弹窗 ===== function openSize() { document.getElementById('sizeModal').classList.add('show'); document.body.style.overflow = 'hidden'; } function closeSize() { document.getElementById('sizeModal').classList.remove('show'); document.body.style.overflow = ''; } function closeSizeOutside(e) { if (e.target === document.getElementById('sizeModal')) { closeSize(); } } // ===== Bike to Work 弹窗 ===== function openBtw() { document.getElementById('btwModal').classList.add('show'); document.body.style.overflow = 'hidden'; } function closeBtw() { document.getElementById('btwModal').classList.remove('show'); document.body.style.overflow = ''; } function closeBtwOutside(e) { if (e.target === document.getElementById('btwModal')) { closeBtw(); } } // ===== ESC 键关闭所有弹窗 ===== document.addEventListener('keydown', function(e) { if (e.key === 'Escape') { closeSpec(); closeSize(); closeBtw(); } }); 250W Motor 40Nm torque, 25 km/h top speed. Rear‑drive for easy handling and low maintenance. 468Wh Battery 36V 13Ah DMEGC cells, 40‑65 km range, removable for home charging. Transmission System Experience smooth and stable shifting throughout your ride with Shimano's 7-speed gear system, ensuring reliable performance whenever you need it. Superior Configuration Enjoy added convenience during your travels with our E-bike's rear rack, fender, and full vehicle cable waterproof plug. These features make your journey more convenient, while also ensuring that parts can be easily replaced in case of damage. Optical Headlights And Taillights Ride safely at night with our E-bike's StVZO-compliant headlights and taillights. Benefit from a wide light diffusion that enhances visibility, ensuring you can see clearly in the dark and enhancing your overall riding safety. Customer review