This unit has the legs to mount it on the bottom.

Voltage Output : 12-24 Volt DC- No need to rectify if charging a battery bank.

Current Output : 13.5 Amp

Output Watts : 300 Watt's Max

Rotation: 0- 2750 RPM

Sprocket: 11 Tooth

Sprocket Can Easily Be Removed if you would like it removed for you please let me know and I will remove it.

Chain That Can Be Used : #25H - Note just search 25H Chain on ebay.

Sprocket That Can Be Used : 25H - Note just search 25H sprocket on ebay.

Note: This Generator is capable of rotation in either the clockwise or counterclockwise direction by reversing the power wires.

Note: If you are interested in using the chain driven system there are numerous sellers selling chain for $8.00 or less.

Gearing: There are also several different large sprockets available for $10. Or less on eBay if you rather go chain driven over pulleys and belt driven or you can do direct drive 2800 RPM is very easy to reach to get max performance.

Thanks again please let me know if you have any questions.

Note : This is a custom made item so no cancellation of orders will be accepted.
Thanks for understanding.