Trek Checkpoint AL 3 vs Trek Domane AL 2 Gen 4

Load Carrying Capacity	--	125 kg (275 lb)
Frame	Alpha 200 series aluminum, tapered head-tube, BB86.5, flat-mount disc brakes, internal cable routing, with rack mounts and hidden fender mounts	100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142x12 mm thru axle
Stem	Bontrager Elite, 31.8 mm, 7 degree, with computer & light mounts	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	Bontrager Comp VR-C, 31.8 mm	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 disc, tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts	Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
Seatpost	Bontrager Approved, alloy, 27.2 mm	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 tape	Bontrager Supertack Perf tape
Crankset	Shimano Sora	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	Shimano Sora	Shimano Sora HG71, 8 speed
Shifters	Shimano Sora, 9 speed	Shimano Claris ST-R2000-R, 8 speed, right Shimano Claris ST-R2000-L, 8 speed, left
Saddle	Bontrager Arvada Comp, steel rails	Verse Short, steel rails, 145 mm width
Headset	Integrated, cartridge bearing, sealed, 1-1/8 top, 1.5 bottom	--
Derailleur Front	Shimano Sora	Shimano Claris R2000, 31.8 mm clamp
Derailleur Rear	Shimano Sora	Shimano Claris R2000, medium cage, 34T max cog
Hub Front	Formula alloy disc, 24h	Formula RX-512 alloy, 6-bolt, 100x12 mm thru axle
Hub Rear	Formula alloy disc, 24h	Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12 mm thru axle
Spoke	--	14 g stainless steel, black
Cassette	Shimano Sora, 11-32, 9 speed	Shimano HG31, CS-HG31, 11-32, 8 speed
Chainrings	50 / 34 (compact)	1x: 50T, 2x: 50/34
Bottom Bracket	--	Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle

Front	Bontrager R1 Hard-Case Lite, 700 x 32 c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
Rear	Bontrager R1 Hard-Case Lite, 700 x 32 c	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
Wheel / RIM	Bontrager Affinity, Tubeless Ready, 24h	Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve

Front	Tektro C550 Spyre, dual-piston mechanical disc brake, 160 mm rotor	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm
Rear	Tektro C550 Spyre, dual-piston mechanical disc brake, 160 mm rotor	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm

Front	--	--
Rear	--	--

Colors

Era White Olive Grey Trek Black

Crimson to Dark Carmine Fade Matte Lithium Grey

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

Features	--	--
Additional Details	Axles Front : 12 mm thru axle Rear : 12 mm thru-axle Bottom Bracket : Sealed cartridge	--