Giant Defy Advanced Pro 0 vs Trek Domane SL 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	Advanced-grade composite, disc	500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142 x 12 mm thru axle
Stem	Giant Contact SL Aero Light XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm	Size : 44 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 60 mm length ( Size : 47 - 70 mm length ) Size : 52, 54 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length ( Size : 50 - 80 mm length ) Size : 56, 58 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 110 mm length
Handle Bar	Giant Contact SLR D-Fuse XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm	Size : 44, 47 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 36cm width Size : 50 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38cm width Size : 52 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40cm width Size : 54, 56 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42cm width Size : 58, 60, 62 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44cm width
Fork	Advanced SL-grade composite, full-composite OverDrive Aero steerer, disc	Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	Giant D-Fuse SLR, composite, -5/+15mm offset	Size : 44, 47, 50, 52, 54, 56 - Bontrager aluminum internal seatmast cap, 10 mm offset, short length Size : 58, 60, 62 - Bontrager aluminum internal seatmast cap, 10 mm offset, tall length
Grip	Stratus Lite 3.0	Bontrager Supertack Perf tape
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	Size : 44, 47 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 165 mm length Size : 50, 52 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 170 mm length Size : 54, 56 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 172.5 mm length Size : 58, 60, 62 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 175 mm length
Chain	Shimano Ultegra	Shimano Tiagra HG54, 10 speed
Shifters	Shimano Ultegra Di2 ST-R8170	Shimano Tiagra R4725, short reach lever, 10 speed
Saddle	Giant Fleet SL	Bontrager Arvada Comp, steel rails, 138 mm width
Headset	--	FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Front	Shimano Ultegra Di2 FD-R8150	Shimano 105 R7000, braze-on
Derailleur Rear	Shimano Ultegra Di2 RD-R8150	Shimano Tiagra 4700, long cage, 34T max cog
Hub Front	Giant Low Friction Hub, CenterLock, 12mm thru-axle	Bontrager alloy, sealed bearing, centerlock, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle
Spoke	Sapim stainless	14g stainless steel
Cassette	Shimano Ultegra, 12-speed, 11x34	Shimano Tiagra HG500, 12-28, 10 speed
Chainrings	--	50 / 34 (compact)
Bottom Bracket	Shimano, press fit	Praxis, T47 threaded, internal bearing

Front	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Rear	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Wheel / RIM	Giant SLR 1 36 Carbon Disc WheelSystem	Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, presta valve

Front	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Rear	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Brake Lever	Shimano Ultegra Di2	Shimano Tiagra R4720, 10 speed

Front	--	--
Rear	--	--

Colors

Carbon/BlueDragonfly

Slate/Radioactive Red Voodoo Trek Black

Length	--	--
Weight	--	9.87 kg

Features	--	- Massive tire clearance - IsoSpeed Decoupler - 500 Series OCLV - Endurance Fit - Micro-Adjust Seatmast - Additional Tire Clearance - Endurance Geometry - Performance Cable Routing - Fender Compatible
Accessories	- Computer mount - Fender mount - Water bottle cages	Bontrager BITS Internal Frame Storage Bag