E-Bike Conversion Kit Buyer’s Guide: Motor, Controller and Battery
Build a reliable conversion: match hub or mid-drive motor, controller amperage and battery capacity so nothing overheats or underperforms.
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CD70 and CG125 Clutch and Transmission Maintenance
Wet-clutch adjustment, oil choice and shift-linkage care to keep a CD70/CG125 gearbox smooth for hundreds of thousands of kilometers.
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Upgrading CD70 Performance: Carburetor, Exhaust and CDI
Safe, reversible CD70 upgrades: larger carburetor, free-flow exhaust, performance CDI and intake for more usable power.
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Jolta Team Visits SINE POWER’s PCB SMT Assembly Factory in Wuxi
Jolta’s leadership and his team toured our Wuxi PCB SMT assembly factory and met our engineers to review controller quality control and cooperation plans.
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CG125 Engine Rebuild Guide: Common Wear Parts and Torque Specs
A step-by-step CG125 top-end and clutch rebuild: piston, rings, valve clearances, gaskets and the torque figures that matter.
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CD70 vs CG125: Full Specification Comparison and Which to Choose
Honda CD70 and CG125 compared: engine, weight, fuel economy, parts availability and which commuter bike suits your market.
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E-Bike Controller and Display Compatibility: Protocols and Wiring
Why a display may not talk to your controller: UART, CAN, proprietary protocols, and how to match a LCD/LED to your controller.
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Waterproofing and Thermal Management in E-Bike Controllers
Rain, puddles and heat kill controllers. Learn IP ratings, potting, heatsinks and how to keep a controller alive in bad weather.
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E-Bike Controller Programming: Parameters and Safe Tuning
Tune pedal assist, speed limit, throttle and low-voltage cut-off safely. A practical guide to controller software and the parameters that matter.
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How an E-Bike Controller Works: MOSFETs, PWM and Phase Wires
From battery to motor: how a controller chops DC into three-phase AC with MOSFETs and PWM, and what the phase, Hall and throttle wires do.
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