A great way to upgrade your spring ride for free, for a limited time, you can win a pair of pro rider Seth Kimbrough's signature Noctis Alloy BMX Cranks from Shadow Conspiracy by entering their giveaway contest. All you have to do is follow a few simple steps: like the Shadow Conspiracy Facebook fan page and comment on the contest post. Lastly, share the contest post to enter yourself for a chance to grab a free set of these sick cranks. Good luck!

Here's a commercial Shadow Conspiracy put together for the Noctis crankset, illustrating just how well they hold up against maximum thrashing:

[via Dig BMX]