Sun Biscayne Tandem 7 vs Trek 2019 Checkpoint ALR 4 Womens

Compare Specifications of Sun Biscayne Tandem 7 and Trek 2019 Checkpoint ALR 4 Womens

Selected Bikes

Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Trek 2019 Checkpoint ALR 4 Womens
Trek 2019 Checkpoint ALR 4 Womens

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Technical Specifications
Drivetrain K.M.C. 1/2" x 1/8", Black (152 Links) --
Frame High Tensile Steel, TIG-Welded 300 Series Alpha Aluminum, tapered head tube, BB86.5, flat mount disc brakes, Stranglehold dropouts, 12 mm thru axle, Control Freak, internal control routing, 3S chain keeper
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 clamp, 7 degree rise, 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 RL IsoZone VR-CF
Fork 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets Checkpoint carbon disc, alloy tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts, 12 mm thru axle
Seatpost Alloy w/o Clamp, 25.6 x 350mm, Black Bontrager Approved, 2-bolt head, 27.2 mm, 8 mm offset
Grip Foam, Black Bontrager tape
Crankset -- Shimano Tiagra
Pedals Slip Resistant Top, 9/16", Black --
Chain K.M.C. 1/2" x 3/32", Black (130 Links) --
Shifters Shimano 7-Speed Revo Twist Shifter Shimano RS405, 10 speed
Saddle Comfort Cruiser, Elastomer Suspension, Black Bontrager Ajna Comp, chromoly rails
Headset Steel, 25.4 x 34 x 30mm, Black Integrated, cartridge bearing, sealed, 1-1/8 top, 1.5 bottom
Derailleur Front -- Shimano Tiagra
Derailleur Rear Shimano RD-TX35 Tourney Shimano Tiagra
Hub Front Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel) Bontrager alloy sealed bearing, Center Lock
Hub Rear Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black Bontrager alloy sealed bearing, Center Lock
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- Shimano Tiagra, 11-34, 10 speed
Chainrings -- 50 / 34
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 Schwalbe G-One Allround, aramid bead, 700 x 35 c
Rear Beach Bum 26 x 2.125", Black Wall Schwalbe G-One Allround, aramid bead, 700 x 35 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 Tubeless Ready
Brakes
Front Alloy (Linear Pull) Black Shimano RS505 flat mount hydraulic disc
Rear Alloy (Linear Pull) Black Shimano RS505 flat mount hydraulic disc
Brake Lever Alloy (Linear Pull) Black / Silver --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Royal


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 alloy
Bottom Bracket : Shimano Press-fit

Which one do you think is better? And why?
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