C29-K Long-Range Electric-Assist Bicycle ⚡Core Power and Range System - ✅48V 750W Motor, 65N・m High Torque Output 48V 750W drive motor, maximum torque 65NM, maximum climbing angle 30°, suitable for moderate urban slopes; speed sensor assist system, throttle speed limit 25km/h, gearless speed adjustment; supports P08 parameter release adjustment 67. - ✅Dual Battery Configuration, Ultra-Long Assist Range 150-170Km Main Battery: 48V 15AH, Dongci 21700 cells; battery dimensions approximately 365*90*110mm, battery weight approximately 3.95kg, with 54.6V 2A charger, charging time 7-8 hours. Rear rack battery: 48V 22.5AH, Dongci 21700 cells; battery dimensions approximately 456.5*155*78.5mm, battery weight approximately 6.05kg, charging time 6-7 hours with a 54.6V 3A charger. Assisted driving mode provides approximately 150-170km of range. - ✅ 2.4-inch European standard LCD instrument panel, Bluetooth connection to the DUOTTS APP. Three-button operation, Bluetooth connection to the DUOTTS APP for reading riding data and setting parameters; IPX4 protection rating, withstands light rain and splashes, but avoids high-pressure water jets and prolonged exposure to rain. 🚲 Transmission, Braking, and Frame Configuration - ✅ TOURNEY 3×7 speed transmission + hydraulic brakes. TOURNEY series 3×7 speed transmission, multiple gear shifts; hydraulic brakes provide stable and reliable braking response. - ✅Aluminum alloy frame, 29-inch off-road tires Aluminum alloy frame, 68cm aluminum alloy handlebars; tire size 29*2.125in; adjustable seat height 85-103cm, suitable for riders 170-200cm tall. 📐Bike dimensions, load capacity, and packaging list - Product dimensions: 1860*1080*680mm (handlebar length 68cm) - Packaging dimensions: 1480*240*790mm - Net weight: ≈32.5kg - Gross weight: ≈40kg - Maximum load capacity: 150kg - Package includes: charger, instruction manual, 16-in-1 tool kit, throttle, pedals, quick-release axle, motor shaft protective sleeve, air pump, and phone case. If you have any questions, please contact us first. Email: [email protected] WhatsApp: +86 15338431763