I've just changed the tires to 29x1.9 Small Block 8's and the saddle on my Origin8 Monstercross. It's a fun bike on local trails and gravel.
Frame: Origin 8 CX700
Fork: Surly Cross Check
Handle bar: Salsa 46mm woodchipper
Stem: Forte MTB 120mm
STI Brifter: Tiagra 3x9
Saddle: Forte
Seat post: Thomson Elite
Seat post clamp: Surly
Rear canti cable hanger: Surly
Front derailleur: Tiagra for triple
Crankset: Shimano Deore FC-M590 48-36-22t
Rear derailleur: Shimano Deore SGS RD-M591
Cassette: 11-32 Shimano 9 speed
Brakes: Tektro CR720
Brakepads: Kool-stop Salmon Thinline
Wheelset: 40 spoke Velocity Dyad/Formula
Tires: 29x1.8 Kendra Small Block 8