Giant Defy Advanced Pro 0 vs Trek 520 Grando

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	Advanced-grade composite, disc	Trek butted chromoly disc touring, rack & fender mounts, 135 x 5 mm QR
Stem	Giant Contact SL Aero Light XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm	Size : 48 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : 51 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : 54, 57 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : 60, 63 - 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 : 48 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 40cm width Size : 51, 54 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42cm width Size : 57, 60, 63 - 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	520 alloy disc touring, rack mounts, 100 x 5 mm ThruSkew
Seatpost	Giant D-Fuse SLR, composite, -5/+15mm offset	Size : 48 - Bontrager alloy, 27.2 mm, 12 mm offset, 250 mm length Size : 51, 54, 57, 60, 63 - Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
Grip	Stratus Lite 3.0	--
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 : 48, 51 - ProWheel forged alloy, 42/28, 2-piece, 170 mm length Size : 54, 57, 60, 63 - ProWheel forged alloy, 42/28, 2-piece, 175 mm length
Pedals	--	Wellgo nylon body, alloy cage
Chain	Shimano Ultegra	KMC X10, 10 speed
Shifters	Shimano Ultegra Di2 ST-R8170	Shimano Tiagra R4700, 10 speed
Saddle	Giant Fleet SL	Bontrager Arvada, steel rails, 138 mm width
Headset	--	1-1/8'' threadless, sealed cartridge bearings
Derailleur Front	Shimano Ultegra Di2 FD-R8150	Shimano Tiagra 4700, 34.9 mm clamp, down swing
Derailleur Rear	Shimano Ultegra Di2 RD-R8150	Shimano GRX RX400, long cage, 36T max cog
Hub Front	Giant Low Friction Hub, CenterLock, 12mm thru-axle	Shimano M475, 6-bolt disc, 135 x 5 mm QR
Hub Rear	Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle	Shimano M475, 6-bolt disc, 100 x 5 mm QR
Spoke	Sapim stainless	14g stainless steel
Cassette	Shimano Ultegra, 12-speed, 11x34	Shimano HG50, 11-36, 10 speed
Bottom Bracket	Shimano, press fit	--

Front	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700 x 40c
Rear	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700 x 40c
Wheel / RIM	Giant SLR 1 36 Carbon Disc WheelSystem	Bontrager Affinity Disc, Tubeless Ready, 36-hole, 21 mm width, presta valve

Front	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	TRP Spyre C 2.0 mechanical disc, 160 mm rotor
Rear	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	TRP Spyre C 2.0 mechanical disc, 160 mm rotor
Brake Lever	Shimano Ultegra Di2	--

Front	--	--
Rear	--	--

Colors

Carbon/BlueDragonfly

Nautical Navy

Length	--	--
Weight	--	13.28 kg

Features	--	--
Additional Details	--	Cargo rack : Bontrager Carry Forward
Accessories	- Computer mount - Fender mount - Water bottle cages	--