Sun Biscayne Tandem 7 vs Trek Checkpoint AL 3

Compare Specifications of Sun Biscayne Tandem 7 and Trek Checkpoint AL 3

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Trek Checkpoint AL 3
Trek Checkpoint AL 3

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Technical Specifications
Drivetrain K.M.C. 1/2" x 1/8", Black (152 Links) --
Frame High Tensile Steel, TIG-Welded Alpha 200 series aluminum, tapered head-tube, BB86.5, flat-mount disc brakes, internal cable routing, with rack mounts and hidden fender mounts
Stem Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black
Bontrager Elite, 31.8 mm, 7 degree, with computer & light mounts
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
Bontrager Comp VR-C, 31.8 mm
Fork 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets Checkpoint carbon disc, tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts
Seatpost Alloy w/o Clamp, 25.6 x 350mm, Black Bontrager Approved, alloy, 27.2 mm
Grip Foam, Black Bontrager tape
Crankset -- Shimano Sora
Pedals Slip Resistant Top, 9/16", Black --
Chain K.M.C. 1/2" x 3/32", Black (130 Links) Shimano Sora
Shifters Shimano 7-Speed Revo Twist Shifter Shimano Sora, 9 speed
Saddle Comfort Cruiser, Elastomer Suspension, Black Bontrager Arvada Comp, steel rails
Headset Steel, 25.4 x 34 x 30mm, Black Integrated, cartridge bearing, sealed, 1-1/8 top, 1.5 bottom
Derailleur Front -- Shimano Sora
Derailleur Rear Shimano RD-TX35 Tourney Shimano Sora
Hub Front Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel) Formula alloy disc, 24h
Hub Rear Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black Formula alloy disc, 24h
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- Shimano Sora, 11-32, 9 speed
Chainrings -- 50 / 34 (compact)
Bottom Bracket BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
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Stand Alloy, Center Mount, Black --
Tyres
Front Beach Bum 26 x 2.125", Black Wall Bontrager R1 Hard-Case Lite, 700 x 32 c
Rear Beach Bum 26 x 2.125", Black Wall Bontrager R1 Hard-Case Lite, 700 x 32 c
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)
Bontrager Affinity, Tubeless Ready, 24h
Brakes
Front Alloy (Linear Pull) Black Tektro C550 Spyre, dual-piston mechanical disc brake, 160 mm rotor
Rear Alloy (Linear Pull) Black Tektro C550 Spyre, dual-piston mechanical disc brake, 160 mm rotor
Brake Lever Alloy (Linear Pull) Black / Silver --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Era White
Olive Grey
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
Front : 12 mm thru axle
Rear : 12 mm thru-axle
Bottom Bracket : Sealed cartridge

Which one do you think is better? And why?
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