SPECIFICATIONS Design: Brushless Motor: Side Hung Motor Mounting Position: MID Drive Voltage: 48V Wattage: 501 - 1000w Thumb Trottle Peddle Assist Mode Compact Design Balanced Performance IPX5 Waterproof Easy Install π Fast Shipping | πΌ Reliable Support π¦ Delivery US Delivery: 2β7 business days All orders include tracking π‘οΈ Warranty & Service 1-Year Motor Warranty Professional technical support available in: United States BAFANG Mid-Drive Motor Kit οΌCAN PROTOCOLοΌ Convert your bike into a powerful, smart e-bike β easily and reliably β‘ Engineered to Perform Powerful β Quiet β Seamlessly Integrated Compact design blends naturally into most e-bike frames, delivering smooth, responsive handling π M615 β Ultimate Power Rated Power: 1000W Max Torque: 160 Nm Best For: eCargo β eSpeed β High-performance builds Compatibility: Fits 68β73mm bottom brackets π£οΈ M315 β Balanced Performance Rated Power: 500W/750W Max Torque: 100 N.m./120 N.m. Best For: eCity β eTour β eTricycles Compatibility: Fits 68β73mm bottom brackets π§ Match Your Ride. Power Your Journey. Need help selecting the right motor? Contact us β we guide you through every build. β‘ Easy Installation | Install in 60 Minutes, Ride in No Time. How Do I Know If the BAFANG BBS OR BBS-HD Fits My Bike? π Check Your Bottom Bracket Use calipers to measure: β Length: 68β73mm β Inner Diameter: 33.5β36mm π² Compatible With: Mountain bikes | Road bikes | Most city bikes β οΈ Frame Clearance Note On smaller or unique frames, check that the chainring does not contact the rear frame. π§ BRAKE SYSTEM OPTIONS | Safety Tailored for Your E-Bike π Quick Comparison Feature | Brake Lever | Brake Sensor Motor Cutoff | β Built-in | β Add-on Install Type | Replace lever | Attach to existing lever Brake Compatibility | Mechanical only| Hydraulic & Mechanical π― How to Choose Choose the Brake Lever if: Youβre building a new e-bike or want a clean, all-in-one setup. Choose the Brake Sensor if: You already like your current brakes (especially hydraulic) and just need the cutoff function. Both options provide reliable motor cutoff β itβs about how you want to integrate it into your ride. π₯οΈ LCD Display β Your Smart Ride Companion Turn every ride into an informed experience β with Bafang motor at your fingertips. π¦ Whatβs In the Box β Mid-Drive Kit 1 Γ Mid-Drive Motor (68mm) 1 Γ Thumb Throttle 1 Γ Speed Sensor 1 Γ 4-in-1 EB-BUS Cable 1 Γ Display (optional) 1 Pair Γ Crank Arms 1 Γ Chainwheel 1 Pair Γ Brake Levers OR brake sensors 1 Γ Front Light 1 Γ Installation Wrench Set 1 Γ Crank Removal Tool 1 Γ 36V 250W Sticker 1 Γ Cable Ties Bundle 1 Γ User Manual This motor kit does not include a battery. β Battery is optional. β We recommend ordering it together with your kit. β Choose from various capacities and mounting styles in our store. Power Your Ride β Greenergy E-Bike Battery Series β‘ Engineered to Go Farther, Charge Faster, Last Longer π Smart Performance Design Lightweight | Fast Charging | Extended Cycle Life π Optimized Energy Efficiency High-density cells + Advanced BMS for maximum range and reliability π οΈ Versatile Form Factors In-Tube Batteries β Sleek, integrated frame design Rack-Mount Batteries β Flexible rear-carrier installation Downtube & Universal Models β Fit most e-bike frames and setups π Battery is optional, please make your selection when ordering. β’ β With Battery: Includes battery and charger in your order β’ β Without (NO) Battery: Includes motor kits only