Rear wheel for Hammerhead Torpedo

TexasBurley

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Looking for some help. Have a new to me/my boys hammerhead torpedo w/ 136 cc. In great shape, but curious if anyone knows the specs of the rear wheels. Would like to find an aftermarket rear wheel for a couple different reasons. 1. The rear is about 4-6” narrower than the front. I’d like to have a higher (numerically lower) offset wheel to push the tires out for a little more stability. 2. I’ll be going to a taller and wider tire to reduce the speed a little. Any help directing me to info on the specs on wheel that would work is appreciated.
 
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pghp8ntballer

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Check out hammerheadperformance.com

They have manuals available to download in the technical section and you can peruse the shop, maybe the part description has the detail you are looking for.
 

TexasBurley

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I found it’s a 5/8 shaft with a 3/16” key way with a 2-1/2” hub depth. The wheel is held on by a castle nut. I ordered some parts from hammerhead performance for a tune up and brakes. I guess I should look for something with a 4” hub depth?
 
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