Trek Checkpoint ALR 4 vs Trek Domane AL 2 Gen 4

Load Carrying Capacity	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)	125 kg (275 lb)
Frame	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	100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142x12 mm thru axle
Stem	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	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	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	Size: 44 Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 36 cm control width, 40 cm drop width Size: 44, 49 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38 cm width Size: 49 Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 38 cm control width, 42 cm drop width Size: 52 Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 40 cm control width, 44 cm drop width Size: 52 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40 cm width Siz
Fork	Checkpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12 x 100 mm thru axle	Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
Seatpost	Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length	Size: 44, 49 Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length Size: 52, 54, 56, 58, 61 Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
Grip	--	Bontrager Supertack Perf tape
Crankset	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	Size: 44 Shimano RS200, 50/34 (compact), 165 mm length Size: 49, 52, 54 Shimano RS200, 50/34 (compact), 170 mm length Size: 56, 58, 61 Shimano RS200, 50/34 (compact), 175 mm length
Chain	KMC X10	Shimano Sora HG71, 8 speed
Shifters	Shimano GRX RX400, 10 speed	Shimano Claris ST-R2000-R, 8 speed, right Shimano Claris ST-R2000-L, 8 speed, left
Saddle	Bontrager Montrose Comp, steel rails, 138 mm width	Verse Short, steel rails, 145 mm width
Headset	FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom	--
Derailleur Front	Shimano GRX RX400, braze-on	Shimano Claris R2000, 31.8 mm clamp
Derailleur Rear	Shimano GRX RX400, long cage, 36T max cog	Shimano Claris R2000, medium cage, 34T max cog
Hub Front	Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142 x 12 mm thru axle	Formula RX-512 alloy, 6-bolt, 100x12 mm thru axle
Hub Rear	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle	Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12 mm thru axle
Spoke	14g stainless steel	14 g stainless steel, black
Cassette	Shimano Tiagra HG500, 11-34, 10 speed	Shimano HG31, CS-HG31, 11-32, 8 speed
Chainrings	--	1x: 50T, 2x: 50/34
Bottom Bracket	Shimano RS500, 86mm, PressFit	Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle

Front	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
Rear	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
Wheel / RIM	Bontrager Tubeless Ready, 28-hole, 17 mm width, presta valve	Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve

Front	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm
Rear	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm

Front	--	--
Rear	--	--

Colors

Rage Red Dark Aquatic

Crimson to Dark Carmine Fade Matte Lithium Grey

Length	--	--
Weight	10.26 kg	56 - 10.55 kg

Features

- Horizontal Sliding Dropout - 300 Series Alpha Aluminium

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