Giant Defy Advanced Pro 0 vs Viathon G.1 GRX 600

Drivetrain	--	Shimano GRX 600 2X11 drivetrain
Frame	Advanced-grade composite, disc	VIATHON G.1 GRAVEL FRAME
Stem	Giant Contact SL Aero Light XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm	ZIPP SERVICE COURSE, 31.8 MM, 6°, 110 MM
Handle Bar	Giant Contact SLR D-Fuse XS:40cm, S:40cm, M:42cm, M/L:42cm, L:44cm, XL:44cm	ZIPP SERVICE COURSE 70 ERGO
Fork	Advanced SL-grade composite, full-composite OverDrive Aero steerer, disc	VIATHON G.1 GRAVEL FORK
Seatpost	Giant D-Fuse SLR, composite, -5/+15mm offset	ZIPP SERVICE COURSE, 20 MM OFFSET, 27.2 MM, 350 MM
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	SHIMANO GRX 600 FC-RX600, 46-30T
Chain	Shimano Ultegra	SHIMANO CN-HG601-11, 11-SPEED
Shifters	Shimano Ultegra Di2 ST-R8170	SHIMANO GRX 600 DISC ST-RX600
Gear	--	46T 1x or 50/34T 2x gearing
Saddle	Giant Fleet SL	SELLE ITALIA NOVUS BOOST FEC
Derailleur Front	Shimano Ultegra Di2 FD-R8150	SHIMANO GRX 600 FD-RX810, DOWN-SWING, 31.8MM BAND
Derailleur Rear	Shimano Ultegra Di2 RD-R8150	SHIMANO GRX 600 RD-RX810, 11-SPEED, SHADOW
Hub Front	Giant Low Friction Hub, CenterLock, 12mm thru-axle	--
Hub Rear	Giant Low Friction Hub, 30t ratchet driver, CenterLock, 12mm thru-axle	--
Spoke	Sapim stainless	--
Cassette	Shimano Ultegra, 12-speed, 11x34	SHIMANO GRX 600 CS-HG70011, 11-SPEED, 11-34T
Bottom Bracket	Shimano, press fit	SHIMANO SM-BBR60

Front	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	IRC BOKEN, 700 X 40, FOLDING
Rear	Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding	IRC BOKEN, 700 X 40, FOLDING
Wheel / RIM	Giant SLR 1 36 Carbon Disc WheelSystem	MERCURY G3C DISC, CENTER LOCK, SHIMANO 11-SPEED

Front	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	SHIMANO SM-RT70, 160 MM W/LOCK RING
Rear	Shimano Ultegra Di2 hydraulic, Shimano RT-MT800 160mm rotors	SHIMANO SM-RT70, 160 MM W/LOCK RING
Brake Lever	Shimano Ultegra Di2	SHIMANO GRX 600 DISC ST-RX600

Front	--	--
Rear	--	--

Colors

Carbon/BlueDragonfly

Copper Silver

Length

--

--

Features	--	- Drop seat stays and flattened rear tubing mute road chatter - Internal cable routings resist dust and grime - Durable threaded bottom bracket adds serviceability - Hardwearing Mercury G3C wheels with disc brake confidence - Zipp handlebars for steering control and comfort - Mounts for three water bottles
Additional Details	--	Front Axle : SHIMANO E-THRU AXLE, 100X12MM Rear Axle : SHIMANO E-THRU AXLE, 142X12MM Inner Tubes : KENDA 700C Bar Tape : FIZIK BLACK
Accessories	- Computer mount - Fender mount - Water bottle cages	--