Giant Defy Advanced Pro 0 vs Surly Lowside

Frame	Advanced-grade composite, disc	Surly Lowside Frame 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
Stem	Giant Contact SL Aero Light XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm	Sunday Freeze top load 22.2mm clamp
Handle Bar	Giant Contact SLR D-Fuse XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm	Surly Sunrise
Fork	Advanced SL-grade composite, full-composite OverDrive Aero steerer, disc	Surly Lowside Fork 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Seatpost	Giant D-Fuse SLR, composite, -5/+15mm offset	2 Bolt, 30.9mm Clamp: Surly Stainless 33.1mm clamp
Grip	Stratus Lite 3.0	Velo Black
Crankset	Shimano Ultegra, 34/50 with Giant Power Pro power meter XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm	SRAM NX 32t
Chain	Shimano Ultegra	KMC X10
Shifters	Shimano Ultegra Di2 ST-R8170	--
Saddle	Giant Fleet SL	Selle Italia Black
Headset	--	Cane Creek
Derailleur Front	Shimano Ultegra Di2 FD-R8150	--
Derailleur Rear	Shimano Ultegra Di2 RD-R8150	--
Hub Front	Giant Low Friction Hub, CenterLock, 12mm thru-axle	Novatec 15x110
Hub Rear	Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle	Novatec 12x148
Spoke	Sapim stainless	--
Cassette	Shimano Ultegra, 12-speed, 11x34	--
Bottom Bracket	Shimano, press fit	SRAM PS

Front	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Maxxis Rekon+ 27.5x2.8 60tpi
Rear	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Maxxis Rekon+ 27.5x2.8 60tpi
Wheel / RIM	Giant SLR 1 36 Carbon Disc WheelSystem	Rims: WTB ST i35 TCS

Front	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	Tektro Hydro M275/276
Rear	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	Tektro Hydro M275/276
Brake Lever	Shimano Ultegra Di2	Tektro

Front	--	--
Rear	--	--

Colors

Carbon/BlueDragonfly

Dream Tangerine

Length

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Features	--	Gnot-Boost rear spacing, thru-axles. Internal dropper post routing compatible. Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though).
Additional Details	--	Size: XS - SM - MD - LG - XL Rotors: Tektro 160/160mm Cog or cogset: Surly 17t w/ spacer kit
Accessories	- Computer mount - Fender mount - Water bottle cages	--