Trek Domane AL 2 Gen 4 vs Trek Domane SL 7

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	500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S compatible, fender mounts, 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	Size : 44 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 60 mm length ( Size : 47 - 70 mm length ) Size : 52, 54 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 90 mm length ( Size : 50 - 80 mm length ) Size : 56, 58 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager Pro, 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	Size : 44, 47 - Bontrager Elite IsoZone VR-SF, alloy, 31.8 mm, internal Di2 routing, 75 mm reach, 128 mm drop, 36cm width ( Size: 50 - 38cm width ) Size : 54, 56 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, internal Di2 routing, 93 mm reach, 123 mm drop, 42cm width ( Size: 52 - 40cm width ) Size : 58, 60, 62 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, internal Di2 routing, 93 mm reach, 123 mm drop, 44cm width
Fork	Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle	Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, 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 : 44, 47, 50, 52, 54, 56 - Bontrager carbon internal seatmast cap, integrated light mount, 20 mm offset, short length Size : 58, 60, 62 - Bontrager carbon internal seatmast cap, integrated light mount, 20 mm offset, tall length
Grip	Bontrager Supertack Perf tape	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 : 44, 47 - Shimano Ultegra R8000, 50/34 (compact), 165 mm length Size : 50, 52 - Shimano Ultegra R8000, 50/34 (compact), 170 mm length Size : 54, 56 - Shimano Ultegra R8000, 50/34 (compact), 172.5 mm length Size : 58, 60, 62 - Shimano Ultegra R8000, 50/34 (compact), 175 mm length
Chain	Shimano Sora HG71, 8 speed	Shimano Ultegra HG701, 11-speed
Shifters	Shimano Claris ST-R2000-R, 8 speed, right Shimano Claris ST-R2000-L, 8 speed, left	Shimano Ultegra Di2, R8070, 11-speed
Saddle	Verse Short, steel rails, 145 mm width	Bontrager Arvada Comp, steel rails, 138 mm width
Headset	--	FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Front	Shimano Claris R2000, 31.8 mm clamp	Shimano Ultegra R8050 Di2, braze-on
Derailleur Rear	Shimano Claris R2000, medium cage, 34T max cog	Shimano Ultegra R8050 Di2, mid cage 34T 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 Ultegra HG800-11, 11-34, 11 speed
Chainrings	1x: 50T, 2x: 50/34	50 / 34 T
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 R2 Hard-Case Lite, aramid bead, 60 tpi, 700 x 32c
Rear	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm	Bontrager R2 Hard-Case Lite, aramid bead, 60 tpi, 700 x 32c
Wheel / RIM	Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve	Front : Bontrager Aeolus Pro 3V, OCLV Carbon, Tubeless Ready, 25 mm rim width, 100 x 12 mm thru axle Rear : Bontrager Aeolus Pro 3V, OCLV Carbon, Tubeless Ready, 25 mm rim width, 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 Ultegra hydraulic disc, flat mount Brake Rotor : Shimano RT800, centerlock, 160 mm
Rear	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm	Shimano Ultegra hydraulic disc, flat mount Brake Rotor : Shimano RT800, centerlock, 160 mm
Brake Lever	--	Shimano Ultegra R8070, 11 speed

Front	--	--
Rear	--	--

Colors

Crimson to Dark Carmine Fade Matte Lithium Grey

Matte Charcoal/Trek Black Dark Aquatic/Trek Black

Length	--	--
Weight	56 - 10.55 kg	8.84 kg

Features	--	- Massive tire clearance - Endurance Fit - Micro-adjust seatmast - Front IsoSpeed Decoupler - 500 series OCLV - Additional Tire Clearance - Performance Cable Routing - Fender Compatible
Accessories	--	Bontrager BITS Internal Frame Storage Bag