Sun Biscayne Tandem CB vs Trek FX Sport 4

Compare Specifications of Sun Biscayne Tandem CB and Trek FX Sport 4

Selected Bikes

Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Trek FX Sport 4
Trek FX Sport 4

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Technical Specifications
Frame High Tensile Steel, TIG-Welded FX Alpha Gold Aluminum, DuoTrap S compatible, rack & fender mounts
Stem Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, 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 Bontrager Satellite Plus IsoZone, 31.8 mm, 15 mm rise
Fork -- Bontrager Nebula, carbon
Seatpost -- Bontrager SSR, 2-bolt head, 27.2 mm, 12 mm offset
Grip Foam, Black Bontrager Satellite IsoZone Plus, lock-on, ergonomic
Crankset -- Shimano R460
Pedals Slip Resistant Top, 9/16", Black Nylon body with alloy cage, toe clip & strap
Chain K.M.C. 1/2" x 1/8", Black (130 Links) --
Shifters -- Shimano Tiagra, 10 speed
Saddle Comfort Cruiser, Elastomer Suspension, Black Bontrager H1
Headset Steel, 25.4 x 34 x 30mm, Black VP Slimstak, sealed semi-cartridge bearings
Derailleur Front -- Shimano Tiagra
Derailleur Rear -- Shimano RD-R350
Hub Front Shimano CB-E110 Coaster Brake, 36H x 14G, Black Formula TK32 alloy
Hub Rear Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black Formula TK31 alloy
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- Shimano Tiagra, 11-34, 10 speed
Chainrings -- 48 / 34
Sprocket 19T x 1/2'' x 1/8'' --
Stand Alloy, Center Mount, Black --
Tyres
Front Beach Bum 26 x 2.125", Black Wall Bontrager AW1 Hard-Case Lite, 700 x 28 c
Rear Beach Bum 26 x 2.125", Black Wall Bontrager AW1 Hard-Case Lite, 700 x 28 c
Wheel / RIM Rims: 26" x 36H x 14G, Red Bontrager Tubeless Ready rims
Brakes
Front Alloy (Linear Pull) Black Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers
Rear Shimano CB-E110 Internal Coaster Brake, Black Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers
Brake Lever Alloy (Linear Pull) Black / Silver --
Suspension
Front -- --
Rear -- --
Colors Available
Colors Metallic Red Matte Metallic Gunmetal


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
Bottom Bracket : Sealed cartridge

Which one do you think is better? And why?
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