Sun Biscayne Tandem CB vs Trek 2019 Checkpoint SL 6

Compare Specifications of Sun Biscayne Tandem CB and Trek 2019 Checkpoint SL 6

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Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Trek 2019 Checkpoint SL 6
Trek 2019 Checkpoint SL 6

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Technical Specifications
Frame High Tensile Steel, TIG-Welded 500 Series OCLV Carbon, Rear IsoSpeed, Stranglehold dropouts, tapered head tube, BB90, flat mount disc brakes, rack mounts and hidden fender mounts, Control Freak, internal control routing, 12 mm thru axle, 3S chain keeper, Ride Tuned seatmast
Stem Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black Bontrager Elite, 31.8 mm clamp, 7 degree rise, with computer & light mounts
Handle Bar Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black Bontrager RL IsoZone VR-CF
Fork -- Checkpoint carbon disc, carbon tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts, 12 mm thru axle
Seatpost -- Bontrager Ride Tuned carbon seatmast cap, 20 mm offset
Grip Foam, Black Bontrager tape
Crankset -- Shimano Ultegra
Pedals Slip Resistant Top, 9/16", Black --
Chain K.M.C. 1/2" x 1/8", Black (130 Links) --
Shifters -- Shimano Ultegra, 11 speed
Saddle Comfort Cruiser, Elastomer Suspension, Black Bontrager Montrose Comp
Headset Steel, 25.4 x 34 x 30mm, Black Integrated, cartridge bearing, sealed, 1-1/8 top, 1.5 bottom
Derailleur Front -- Shimano Ultegra, braze-on
Derailleur Rear -- Shimano Ultegra, Shadow design, 11 speed
Hub Front Shimano CB-E110 Coaster Brake, 36H x 14G, Black --
Hub Rear Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black --
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- Shimano HG800, 11-34, 11 speed
Chainrings -- 50 / 34
Sprocket 19T x 1/2'' x 1/8'' --
Stand Alloy, Center Mount, Black --
Tyres
Front Beach Bum 26 x 2.125", Black Wall Schwalbe G-One Allround, aramid bead, TL Easy, 700 x 35 c
Rear Beach Bum 26 x 2.125", Black Wall Schwalbe G-One Allround, aramid bead, TL Easy, 700 x 35 c
Wheel / RIM Rims: 26" x 36H x 14G, Red Bontrager Paradigm Comp Tubeless Ready Disc
Brakes
Front Alloy (Linear Pull) Black --
Rear Shimano CB-E110 Internal Coaster Brake, Black --
Brake Lever Alloy (Linear Pull) Black / Silver --
Suspension
Front -- --
Rear -- --
Colors Available
Colors Metallic Red Matte Trek Black


Physical Specs
Length -- --
Weight 27.2 kg --
Overview
Features -- --
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
Axles : 12 mm thru axle
Bottom Bracket : BB90

Which one do you think is better? And why?
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