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This is a left-side-drive conversion kit that adds a 24V 250W motor to a standard bicycle while keeping the bike's original gears. It includes the motor, chain, freewheel and adapter, controller, mounting plate and bolts, and a thumb throttle, but no battery. Installation is genuinely difficult: the freewheel mounts on the left side of the rear axle and must be spot-welded to stay put, so it suits confident DIYers with welding access rather than first-time builders. Compared with hub-motor and mid-drive kits, it is a low-power, low-cost way to add assist, but it demands more fabrication and gives less power.
In stockSold by Reliable Home SupplyReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This is a 24V 250W electric bike conversion kit with a DC motor, controller and twist throttle grip. It fits 16" to 28" bicycles. The motor drives the rear wheel through a chain and freewheel.
The kit is designed for a normal single-speed bike. It can also be fitted to an 18-speed or 24-speed bike on the left side. To do this, the freewheel is mounted on the left side of the rear axle and spot welded in place. The original gears can still be shifted after installation.
The kit includes all the parts needed to convert a bike except batteries. It needs two 12V batteries (lead acid or lithium) linked together, or one 24V battery. Recommended capacity is above 15AH, with a working current under 20A. No battery box is included. The batteries can be mounted on the rear rack above the rear wheel or in a homemade box, and can be removable or hard wired. Installation experience is required. No English user manual is included.
