Kestrel 5000 SL Shimano Ultegra DI2 vs Sun Biscayne Tandem 7

Compare Specifications of Kestrel 5000 SL Shimano Ultegra DI2 and Sun Biscayne Tandem 7

Selected Bikes

Kestrel 5000 SL Shimano Ultegra DI2
Kestrel 5000 SL Shimano Ultegra DI2

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Technical Specifications
Drivetrain -- K.M.C. 1/2" x 1/8", Black (152 Links)
Frame Kestrel Super Light (KSL) 800K high-modulus carbon fiber, PF30 BB High Tensile Steel, TIG-Welded
Stem Kestrel KSL Aero Carbon Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black
Handle Bar Oval Concepts 750 6061 alloy base bar, Oval Concepts 750 6061 alloy clip-on 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
Fork KSL AERO Pro SL TT full-carbon, 1 1/8" steerer 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost -- Alloy w/o Clamp, 25.6 x 350mm, Black
Grip -- Foam, Black
Crankset Vision Trimax Compact TT, 52/36T --
Pedals -- Slip Resistant Top, 9/16", Black
Chain KMC X11EL w/MissingLink, 11-speed K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters Shimano Ultegra Di2 TT, 11-speed Shimano 7-Speed Revo Twist Shifter
Saddle Prologo TGALE TRI, T2.0 rails w/ U-Cage Comfort Cruiser, Elastomer Suspension, Black
Headset FSA CX integrated 1 1/8" top, 1 1/8" bottom w/ 10 mm top cover Steel, 25.4 x 34 x 30mm, Black
Derailleur Front Shimano Ultegra Di2, braze-on --
Derailleur Rear Shimano Ultegra Di2, 11-speed Shimano RD-TX35 Tourney
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 Ultegra, 11-28T, 11-speed --
Bottom Bracket Vision PF30 BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front Vittoria Rubino Pro Speed, 700 x 23c, folding Beach Bum 26 x 2.125", Black Wall
Rear Vittoria Rubino Pro Speed, 700 x 23c, folding Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Oval Concepts 950 F, 700c 18/24H aero carbon-alloy rims 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)
Brakes
Front -- Alloy (Linear Pull) Black
Rear -- Alloy (Linear Pull) Black
Brake Lever Shimano Ultegra Di2 for TT/Tri, Flight Deck-compatible Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Carbon / Blue Gray --


Physical Specs
Length -- --
Weight 9.13 kg 27.2 kg
Overview
Features -- --
Additional Details Sizes : 50cm, 52.5cm, 55cm, 57.5cm, 59.5cm 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

Which one do you think is better? And why?
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