i think the chain links are thicker and are treated differently which makes the Fahgettaboudit harder to crack. check out their website. I have the Fahgettaboudit, but i'm paranoid, as well as a spender when it comes to bikes, especially keeping them.
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Ode to the after work nap ( ride your bike instead)
Ode to the nap
The evil, evil nap
It lures
you succumb
But only with good intent
Shortly I will rise
But you do not.
Do not succumb
To the evil, evil nap