About this item

• ★If your bike is18speed/24speed, you can install the kit on the left hand side.
• ★This bike kit suitable for 16"-28"bike, Not fit for special and variable-speed models bike and models that under 16 inches.
• ★This kit is 24V, you need two 12V batteries, (lead acid or lithium), or one 24V battery.After they are linked together, the recommended capacity >15AH, working current need less than 20A.
• ★The kit includes all the parts you need except batteries to convert the bike into electric bike.You need to buy the batteries by yourself.
• ★You need to mount the flywheel on the left side of the rear axle and spot weld to secure it.After installing the kit, you can still shift gears on your bike. Note: All the buyers should have experience to install it.