I bought the wrong size which is why I'm selling, they are brand new in the box.

SRAM S550, this groups falls between the rival and force group

I am in Portland, Or if you wanted to come see them

Bike type: road
Crankarm material: alloy
Speeds: 10
# teeth on each chainring: 34-50T
BCD: 110
Crankarm length: 172.5
Bottom bracket interface: BB30
Bottom bracket is included
Integrated spindle
Color: black
Weight: 750 grams (including bottom bracket/spindle)