Co-Motion Robusta vs Trek Domane AL 2 Gen 3

Frame	Co-Motion exclusive ACMUltra7 7005 aluminum zonally-butted tandem tubing	100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, DuoTrap S-compatible, flat-mount disc, 142x12 mm thru axle
Stem	FSA SL-K and Co-Motion adj. stoker 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, 49 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38 cm width Size: 52 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40 cm width Size: 54, 56 Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42 cm width Size: 58, 61 Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44 cm width
Fork	Co-Motion Carbon T390 Disc	Size: 44, 49, 52, 54, 56, 58, 61 Domane AL carbon, tapered alloy steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm 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
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
Chain	--	Shimano Sora HG71, 8 speed
Shifters	Shimano Ultegra R8000 2x11-speed	Size: 44, 49, 52, 54, 56, 58, 61 Shimano Claris ST-R2000-R, 8 speed, right Size: 44, 49, 52, 54, 56, 58, 61 Shimano Claris ST-R2000-L, 8 speed, left
Saddle	Co-Motion 31.6 mm / Selle Italia Nekkar & Lady Flow	Size: 44, 49, 52 Bontrager Verse Comp, steel rails, 155 mm width Size: 54, 56, 58, 61 Bontrager Verse Comp, steel rails, 145 mm width
Headset	Cane Creek 110 Tapered	FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
Derailleur Front	Shimano Ultegra R8000 2x11-speed	Shimano Claris R2000, 31.8 mm clamp
Derailleur Rear	Shimano Ultegra R8000 2x11-speed	Shimano Claris R2000, medium 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
Cassette	Shimano 11-34t cassette	Shimano HG31, CS-HG31, 11-32, 8 speed
Chainrings	--	1x: 42T, 2x: 50/34
Bottom Bracket	--	Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle

Front	Continental Gatorskin 700 x 28 mm	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
Rear	Continental Gatorskin 700 x 28 mm	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm
Wheel / RIM	Rolf Prima Tandem Alloy	Size: 44, 49, 52, 54, 56, 58, 61 Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, Presta valve Size: 44, 49, 52, 54, 56, 58, 61 Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve Size: 44, 49, 52, 54, 56, 58, 61 Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm width, Presta valve

Front	TRP Spyre w/ 203 mm disc rotors	Tektro C550 mechanical disc brake, dual piston, flat-mount, 160 mm rotor
Rear	TRP Spyre w/ 203 mm disc rotors	Tektro C550 mechanical disc brake, dual piston, flat-mount, 160 mm rotor

Front	--	--
Rear	--	--

Colors

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Length	--	--
Weight	--	10.76 kg

Features	- Modern derailleur drive trains are lightweight, smooth operating and very efficient - Ultegra R8000 is the newest iteration of Shimano's most popular road component group - Compact 50/34t cranks and wide cassette offers a generous gear range - Shimano Ultegra R8000 kit offers a 27" low, 122.7" high gear	--
Additional Details	Drivetrain : Co-Motion Compact Tandem Cranks 50-34t / Gates Timing Belt / Cockpit : FSA Omega compact and Co-Motion stoker bar	--