Trek Domane AL 2 Gen 4 vs Trek Emonda SLR 9

Load Carrying Capacity	125 kg (275 lb)	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142x12 mm thru axle	Ultralight 800 Series OCLV Carbon, Ride Tuned performance tube optimization, tapered head tube, internal routing, DuoTrap S compatible, flat mount disc, 142 x 12 mm thru axle
Stem	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: 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	Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle	Emonda SLR full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12 x 100 mm thru axle
Seatpost	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	Size : 47, 50, 52, 54 - Bontrager carbon seatmast cap, 20 mm offset, short length Size : 56, 58, 60, 62 - Bontrager carbon seatmast cap, 20 mm offset, tall length
Grip	Bontrager Supertack Perf tape	--
Crankset	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	Size : 47 - Shimano Dura-Ace R9100-P Power Meter, 52/36, 165 mm length Size : 50, 52 - Shimano Dura-Ace R9100-P Power Meter, 52/36, 170 mm length Size : 54, 56, 58 - Shimano Dura-Ace R9100-P Power Meter, 52/36, 172.5 mm length Size : 60, 62 - Shimano Dura-Ace R9100-P Power Meter, 52/36, 175 mm length
Chain	Shimano Sora HG71, 8 speed	Shimano Dura-Ace HG901, 11 speed
Shifters	Shimano Claris ST-R2000-R, 8 speed, right Shimano Claris ST-R2000-L, 8 speed, left	Shimano Dura-Ace Di2 R9170, 11 speed
Saddle	Verse Short, steel rails, 145 mm width	Bontrager Aeolus Pro, carbon rails, 145 mm width
Derailleur Front	Shimano Claris R2000, 31.8 mm clamp	Shimano Dura-Ace Di2 R9150, braze-on
Derailleur Rear	Shimano Claris R2000, medium cage, 34T max cog	Shimano Dura-Ace Di2 R9150, short cage, 30T max cog
Hub Front	Formula RX-512 alloy, 6-bolt, 100x12 mm thru axle	--
Hub Rear	Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12 mm thru axle	--
Spoke	14 g stainless steel, black	--
Cassette	Shimano HG31, CS-HG31, 11-32, 8 speed	Shimano Dura-Ace R9100, 11-30, 11 speed
Chainrings	1x: 50T, 2x: 50/34	1x : 50T, 2x : 53/39T
Bottom Bracket	Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle	Praxis, T47 threaded, internal bearing

Front	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm	Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25c
Rear	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm	Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25c
Wheel / RIM	Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve	Front : Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37 mm rim depth, 100 x 12 mm thru axle Rear : Bontrager Aeolus RSL 37, OCLV Carbon, Tubeless Ready, 37 mm rim depth, Shimano 11-speed freehub, 142 x 12 mm thru axle

Front	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm	Shimano Dura-Ace hydraulic disc, flat mount Brake Rotor : Shimano RT900, 160 mm, centerlock
Rear	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm	Shimano Dura-Ace hydraulic disc, flat mount Brake Rotor : Shimano RT900, 160 mm, centerlock

Front	--	--
Rear	--	--

Colors

Crimson to Dark Carmine Fade Matte Lithium Grey

Navy Carbon Smoke/Viper Red Navy Carbon Smoke/Blue Matte Onyx Carbon

Length	--	--
Weight	56 - 10.55 kg	6.72 kg

Features

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- Lightest carbon ever - All-new aero design - Ride Tuned Seatmast - DuoTrap S Compatible