Giant Defy Advanced Pro 0 vs Marin Headlands 2

Frame	Advanced-grade composite, disc	Unidirectional Carbon Beyond Road Platform, 1 x Drivetrain Specific, 700c x 45 mm/650B x 50 mm Compatible, Flat Mount Disc, 142 x 12 Thru-Axle, Internal Dropper Post Routing, Internal Housing Routing, Mudguard and Rear Carrier Mounting, Plentiful Gear Mounts
Stem	Giant Contact SL Aero Light XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm	Marin 3D Forged Alloy
Handle Bar	Giant Contact SLR D-Fuse XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm	Marin Butted Alloy, Flat Top, Compact 12º Flared Drop, Flat Top
Fork	Advanced SL-grade composite, full-composite OverDrive Aero steerer, disc	Marin Full Carbon w/ Taper Steerer, 12 mm Thru-Axle, Flat-Mount Disc, Fender Eyelets
Seatpost	Giant D-Fuse SLR, composite, -5/+15mm offset	TranzX YSP11 Dropper Post, 105 mm Travel, 27.2 mm
Grip	Stratus Lite 3.0	Marin Shock Absorbing 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	FSA Gossamer Pro, Megatooth 42T Chainring, BB386EVO Alloy Spindle
Pedals	--	Commute Platform
Chain	Shimano Ultegra	KMC X11
Shifters	Shimano Ultegra Di2 ST-R8170	Shift Lever : Shimano GRX G X 8010, 1 x 11-Speed, Integrated Dropper Lever
Saddle	Giant Fleet SL	Marin Beyond Road Concept Elite
Headset	--	FSA Orbit IS, Sealed Cartridge Bearings, 1 1/8” x 1 1/2”
Derailleur Front	Shimano Ultegra Di2 FD-R8150	--
Derailleur Rear	Shimano Ultegra Di2 RD-R8150	Shimano GRX Shadow w/ Clutch
Hub Front	Giant Low Friction Hub, CenterLock, 12mm thru-axle	Forged Aluminum Alloy, XD Driver, 6-Bolt Disc, 32H
Hub Rear	Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle	Forged Aluminum Alloy, 6-Bolt Disc, 32H
Spoke	Sapim stainless	Double Butted Stainless
Cassette	Shimano Ultegra, 12-speed, 11x34	SunRace 11-Speed XD, 10-42T
Bottom Bracket	Shimano, press fit	--

Front	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Schwalbe G-One Performance, 700C x 40, Folding Bead
Rear	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	Schwalbe G-One Performance, 700C x 40, Folding Bead
Wheel / RIM	Giant SLR 1 36 Carbon Disc WheelSystem	Marin Aluminum Double Wall, 21 mm Inner, 21 mm Tall, Disc Specific, Tubeless Compatible

Front	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	Shimano GRX Hydraulic Disc, 160 mm Rotor
Rear	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	Shimano GRX Hydraulic Disc, 160 mm Rotor
Brake Lever	Shimano Ultegra Di2	Shimano GRX Hydraulic w/ Shifter & Integrated Dropper Lever

Front	--	--
Rear	--	--

Colors

Carbon/BlueDragonfly

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Length

--

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Features	--	- Unidirectional Carbon Fiber Frame - Tire Clearance - Internal Dropper Compatibility - Removable Seatstays Brace
Additional Details	--	Bottom Bracket : FSA MegaExo Threaded Extras : Bolt-on Thru-Axles F&R
Accessories	- Computer mount - Fender mount - Water bottle cages	--