Cannondale CAAD Optimo 3 vs Trek Checkpoint ALR 4

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	300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142 x 12 mm thru axle
Stem	6061 Alloy, 31.8, 7 degree	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 : 49 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 38cm width Size : 52 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 40cm width Size : 54, 56 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 42cm width Size : 58, 61 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 44cm width
Fork	CAAD Optimo Full Carbon, 1-1/8" to 1-1/4" steerer, fender mounts, 100x9mm QR	Checkpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	Cannondale 4, 6061 Alloy, 27.2x350mm	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 : 49 - Shimano GRX RX600, 46/30, 165 mm length Size : 52 - Shimano GRX RX600, 46/30, 170 mm length Size : 54, 56 - Shimano GRX RX600, 46/30, 172.5 mm length Size : 58, 61 - Shimano GRX RX600, 46/30, 175 mm length
Chain	KMC X9, 9-speed	KMC X10
Shifters	Shimano Sora, 9-speed	Shimano GRX RX400, 10 speed
Saddle	Cannondale Stage CX	Bontrager Montrose Comp, steel rails, 138 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 GRX RX400, braze-on
Derailleur Rear	Shimano Sora GS	Shimano GRX RX400, long cage, 36T max cog
Hub Front	Formula RB-31	Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	Formula RB-32	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle
Spoke	Stainless Steel, 14g	14g stainless steel
Cassette	Shimano HG50, 11-30, 9-speed	Shimano Tiagra HG500, 11-34, 10 speed
Bottom Bracket	Cartridge, square taper	Shimano RS500, 86mm, PressFit

Front	Vittoria Zaffiro, 700x25c	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c
Rear	Vittoria Zaffiro, 700x25c	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c
Wheel / RIM	RS 3.0, 24h front, 28h rear	Bontrager Tubeless Ready, 28-hole, 17 mm width, presta valve

Front	Promax RC-452, dual pivot calipers	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Rear	Promax RC-452, dual pivot calipers	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Brake Lever	Shimano Sora	--

Front	--	--
Rear	--	--

Colors

Black

Rage Red Dark Aquatic

Length	--	--
Weight	--	10.26 kg

Features

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- Horizontal Sliding Dropout - 300 Series Alpha Aluminium