Finally! As the second installment of the Purple Projects, I’ve teamed up with 44RN on another run of his 144#47 track chainrings. Machined in Boston, designed at 44RN, in Somerville, these rings have been put through the ringer for months. Pick up a silver or a black now in the PiNP Web Shop.
![Purple Projects: Silver and Black 44RN 144#47 Track Chainrings in Stock](https://media.theradavist.com/uploads/2012/11/IMG_6662adjscaled2.jpeg)
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