2012 Specialized Langster

Frame:
Specialized Langster, 56cm, Black/White

Fork/Headset:
Specialized FACT

Crankset/Bottom Bracket:
BCD 144; Cr-Mo axle, 68mm x 103mm

Pedals:
Speedplay Zero, Stainless, Black

Drivetrain/Cog/Chainring/Chain:
Fixed Drivetrain; Soma 19T x 1/8" Cog; Shimano Dura-Ace Lockring; Sugino Mighty Competition 47T Chainring; KMC Z-510HX Chain

Handlebars/Stem:
3T Ergonova Pro, 42cm; Thomson X2 -17* 100mm Stem

Saddle/Seatpost:
Specialized Romin Evo Expert Saddle, 143mm, Black/White; Thomson Elite Seatpost, 0 Setback, Black

Brakes:
Tektro Front Brake; Cane Creek Crosstop Lever

Front Wheel/Hub/Tire:
Vuelta Zerolite Track, 32H; Specialized Espoir Sport 700x23C

Rear Wheel/Hub/Tire:
Vuelta Zerolite Track, 32H; Specialized Espoir Sport 700x23C

Accessories:
NiteRider Lumina 350; Garmin Edge 500; Arundel Mandible Matte Bottle Cage; Topeak QR Beam Rack MTX Bicycle Rack (V Type); Topeak MTX Dual Side Pannier Frame; Topeak MTX DXP Trunk Bag; CRUD Roadracer mk2 Fender Set

More Info:
looking for original 172.5mm crank arms from a 2012+ Langster 61cm. thanks!