This is a brand new frameset. 83mm BB, 150 x 12mm rear end and 26" wheels(26" ain't dead). Comes with the custom chain guide that can be used with 34t or 36t front ring. You may not want to run it if running a narrow/wide front ring. This uses a 8.75 x 2.75" shock. We can supply it with a shock from Cane Creek, Marzoccchi, Fox for extra. We also are Spank and Hope dealers. We can hook you up with a great package deal to build this up. Contact us here or email us at Peregrinebikes@yahoo.com. Our website is under construction now.