Sun Biscayne Tandem 7 vs Trek Domane SLR 9

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Drivetrain	K.M.C. 1/2" x 1/8", Black (152 Links)	--
Frame	High Tensile Steel, TIG-Welded	700 Series OCLV Carbon, front IsoSpeed, adjustable 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	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black	Size : 47 - Bontrager XXX, 31.8 mm, Blendr compatible, 7 degree, 70 mm length ( Size : 50 - 80 mm length ) Size : 52, 54 - Bontrager XXX, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : 56, 58 - Bontrager XXX, 31.8 mm, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager XXX, 31.8 mm, Blendr compatible, 7 degree, 110 mm length
Handle Bar	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black Stoker Handlebar: Steel, 27" Wide x 10.8" Rise x 25.4mm Clamp, Black	Size : 50, 52 - Bontrager Pro IsoCore VR-CF, OCLV Carbon, 31.8 mm, internal Di2 routing, 93 mm reach, 123 mm drop, 40cm width ( Size : 47 - 38cm width ) Size : 54, 56 - Bontrager Pro IsoCore VR-CF, OCLV Carbon, 31.8 mm, internal Di2 routing, 93 mm reach, 123 mm drop, 42cm width Size : 58, 60, 62 - Bontrager Pro IsoCore VR-CF, OCLV Carbon, 31.8 mm, internal Di2 routing, 93 mm reach, 123 mm drop, 44cm width
Fork	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets	Domane SLR carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, carbon dropouts, 12 x 100 mm thru axle
Seatpost	Alloy w/o Clamp, 25.6 x 350mm, Black	Size : 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	Foam, Black	--
Crankset	--	Size : 47 - Shimano Dura-Ace R9100-P Power Meter, 50/34, 165 mm length Size : 50, 52 - Shimano Dura-Ace R9100-P Power Meter, 50/34, 170 mm length Size : 54, 56 - Shimano Dura-Ace R9100-P Power Meter, 50/34, 172.5 mm length Size : 58, 60, 62 - Shimano Dura-Ace R9100-P Power Meter, 50/34, 175 mm length
Pedals	Slip Resistant Top, 9/16", Black	--
Chain	K.M.C. 1/2" x 3/32", Black (130 Links)	Shimano Dura-Ace HG900, 11 speed
Shifters	Shimano 7-Speed Revo Twist Shifter	Shimano Dura-Ace Di2 R9170, 11 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Size : 47, 50, 52 - Bontrager P3 Verse Pro, carbon rails, 155 mm width Size : 54, 56, 58, 60, 62 - Bontrager P3 Verse Pro, carbon rails, 145 mm width
Headset	Steel, 25.4 x 34 x 30mm, Black	--
Derailleur Front	--	Shimano Dura-Ace Di2 R9150, braze-on
Derailleur Rear	Shimano RD-TX35 Tourney	Shimano Dura-Ace Di2 R9150, short cage, 30T max cog
Hub Front	Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)	--
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	--
Spoke	14G Stainless Steel with Brass Nipples	--
Cassette	--	Shimano Dura-Ace R9100, 11-30, 11 speed
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm	Praxis, T47 threaded, internal bearing
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 28c
Rear	Beach Bum 26 x 2.125", Black Wall	Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 28c
Wheel / RIM	Rims:26" x 36H x 14G, Red Front: 26" x 1.75 x 36H x 14G Alloy-Cruiser, Bolt-On Rear: 26" x 1.75 x 36H x 14G Alloy-Cruiser, (FOR FREEWHEEL)	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	Alloy (Linear Pull) Black	Shimano Dura-Ace hydraulic disc, flat mount Brake Rotor : Shimano RT900, 160 mm, centerlock
Rear	Alloy (Linear Pull) Black	Shimano Dura-Ace hydraulic disc, flat mount Brake Rotor : Shimano RT900, 160 mm, centerlock
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

--

Viper Red/Trek White Trek White/Blue Radioactive Coral/Trek Black

Length	--	--
Weight	27.2 kg	7.93 kg

Features	--	- Massive tire clearance - 700 Series OCLV - Internal Cable Routing - Adjustable Rear IsoSpeed Decoupler - Additional Tire Clearance - Carbon Care Wheel Loyalty Program - Endurance Geometry - Bontrager Isocore Bar
Additional Details	Captain Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks) Captain Crank Right: 3-Piece Alloy, 170mm, Black (For Diamond Square Cranks) Freewheel: Shimano TZ-21 (7-Speed) 14-28T Captain Crank Right: 3-Piece Alloy, 170mm, Black (For Diamond Square Cranks) Stoker Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks) Stoker Crank Right: 3-Piece Alloy, 170mm x 42T x 1/2" x 3/32", Black (For Diamond Square Cranks) Chainwheel: Steel, Silver Painted W/Plastic Chain Cover Pulley Adjuster:Eccentric BB Insert Seat Clamp: Alloy, 28.6mm I.D., with Double Bolt, Black Stoker Seat Clamp: Alloy, 34.9mm I.D., Black Front Fender: Steel, W/Single Strut, Painted Rear Fender: Steel, W/Single Strut, Painted Fender Set: Plastic, F&R W/Rubber Bump Guards, Silver	--
Accessories	--	Bontrager BITS Internal Frame Storage Bag