Cannondale CAAD Optimo 3 vs Trek Domane AL 4 Disc

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	SmartForm C2 Alloy, SAVE, tapered headtube, fender mounts, 130x10mm QR	100 Series Alpha Aluminum, tapered head tube, internal routing, fender mounts, DuoTrap S compatible, flat mount disc, 142 x 12 mm thru axle
Stem	6061 Alloy, 31.8, 7 degree	Size : 44 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 70 mm length Size : 49 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : 52, 54 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : 56, 58 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 100 mm length Size : 61 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 110 mm length
Handle Bar	6061 Alloy, Compact	Size : 44, 49 - 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, 61 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44cm width
Fork	CAAD Optimo Full Carbon, 1-1/8" to 1-1/4" steerer, fender mounts, 100x9mm QR	Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	Cannondale 4, 6061 Alloy, 27.2x350mm	Size : 44, 49 - Bontrager Comp, 6061 alloy, 27.2 mm, 8mm offset, 250 mm length Size : 52, 54, 56, 58, 61 - Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
Grip	Cannondale Bar Tape, 3.5mm	--
Crankset	FSA Vero Alloy, 50/34	Size : 44 - Shimano Tiagra 4700, 50/34, 165 mm length Size : 49, 52 - Shimano Tiagra 4700, 50/34, 170 mm length Size : 54, 56 - Shimano Tiagra 4700, 50/34, 172.5 mm length Size : 58, 61 - Shimano Tiagra 4700, 50/34, 175 mm length
Chain	KMC X9, 9-speed	Shimano Tiagra HG54, 10 speed
Shifters	Shimano Sora, 9-speed	Shimano Tiagra R4725, short reach lever, 10 speed
Saddle	Cannondale Stage CX	Size : 44, 49, 52 - Bontrager P3 Verse Comp, steel rails, 155 mm width Size : 54, 56, 58, 61 - Bontrager P3 Verse Comp, steel rails, 145 mm width
Headset	CAAD Optimo, 1-1/8" to 1-1/4", 25mm top cap	FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front	Shimano Sora, 31.8 clamp	Shimano Tiagra 4700, 31.8 mm clamp
Derailleur Rear	Shimano Sora GS	Shimano Tiagra 4700, long cage, 34T max cog
Hub Front	Formula RB-31	Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	Formula RB-32	Formula RX-512 alloy, 6-bolt, 100 x 12 mm thru axle
Spoke	Stainless Steel, 14g	14g stainless steel
Cassette	Shimano HG50, 11-30, 9-speed	Shimano HG500, 11-32, 10 speed
Bottom Bracket	Cartridge, square taper	Shimano RS500, 68 mm, threaded external

Front	Vittoria Zaffiro, 700x25c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Rear	Vittoria Zaffiro, 700x25c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c
Wheel / RIM	RS 3.0, 24h front, 28h rear	Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, presta valve

Front	Promax RC-452, dual pivot calipers	Shimano Tiagra hydraulic disc Brake Rotor : Shimano RT66, 160 mm, 6-bolt
Rear	Promax RC-452, dual pivot calipers	Shimano Tiagra hydraulic disc Brake Rotor : Shimano RT66, 160 mm, 6-bolt
Brake Lever	Shimano Sora	--

Front	--	--
Rear	--	--

Colors

Black

Gloss Trek Black/Matte Trek Black Gloss Radioactive Red/Matte Black Era White/Carbon Smoke

Length	--	--
Weight	--	10.48 kg

Features

--

- Rack Mounts - Endurance Fit - Endurance Geometry - Fender Compatible - Additional Tire Clearance