The finishline and NASA had more taper at the hub . Also a finishline used a factory hub nut with a fine thread were durablue used a very large nut and a real coarse thread .
That looks more like a durablue to me .
If you can find the original color that might help as well
Finishline white zink
NASA was gold zink
Early durablue were blue / black in color but later were also white zink .
Maxtrax looked similar to a durablue and is also a possibility .
One more thing I noticed is finishline and nasa uses the factory rubber mounted sprocket hub and clip .
That might also be a 1982 250r durable axle with that style sprocket hub .
Last edited by shortline10; 05-21-2024 at 10:30 PM.
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Good deal. Thank you sir. The only original color left on it is between the bearings, which is blackish/blue. The nuts are also as you stated, big with coarse threads. I'll assume then that it is a Durablue. Thanks again
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