Bianchi Oltre XR3 Ultegra Di2 11sp vs Sun Biscayne Tandem CB

Compare Specifications of Bianchi Oltre XR3 Ultegra Di2 11sp and Sun Biscayne Tandem CB

Selected Bikes

Bianchi Oltre XR3 Ultegra Di2 11sp
Bianchi Oltre XR3 Ultegra Di2 11sp

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Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Technical Specifications
Frame -- High Tensile Steel, TIG-Welded
Stem REPARTO CORSE 3D FORGED ALLOY 6061, RISE +/-6°, 1.1/8", EXT: 90MM-47/50CM, 100MM-53CM, 110MM-55/57CM, 120MM-59CM, 130MM-61CM Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar REPARTO CORSE AERO , ALLOY 6061 DIAM. 31,8MM, REACH 74MM, DROP 116MM, SIZE: 400MM-44/53CM, 420MM-55/59CM, 440MM-61CM Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork BIANCHI FULL CARBON W/BIANCHI CV, DISC, 1.5" INTEGRATED HEAD , FLAT MOUNT CALIPER, THRU AXLE 12X100MM --
Seatpost OLTRE FULL CARBON AERO; CLAMP WITH ALLOY HEAD ADJUSTABLE AND REVERSIBLE +/- 35MM, LENGTH: 250MM-47CM, 300MM-50/53CM, 350MM-55/59CM, 380MM-61CM, SETBACK: 25MM/-10MM --
Grip LA SPIRALE RIBBON CORK Foam, Black
Crankset SHIMANO ULTEGRA FC-R8000 50X34T, HOLLOWTECH II, CRANK LENGTH: 170MM-47/53CM, 172.5MM-55/59CM, 175MM-61CM --
Pedals -- Slip Resistant Top, 9/16", Black
Chain SHIMANO ULTEGRA CN-HG701-11, 11SP K.M.C. 1/2" x 1/8", Black (130 Links)
Shifters SHIMANO ULTEGRA DI2 ST-R8070 2X11SP --
Saddle FI'ZI:K ANTARES R7, S ALLOY RAIL, 274X142MM Comfort Cruiser, Elastomer Suspension, Black
Headset FSA ORBIT C-40-ACB Steel, 25.4 x 34 x 30mm, Black
Derailleur Front SHIMANO ULTEGRA DI2 FD-R8050 --
Derailleur Rear SHIMANO ULTEGRA DI2 RD-R8050 SS 11SP --
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
Sprocket SHIMANO ULTEGRA CS-R8000, 11-12-13-14-15-17-19-21-24-27-30T 19T x 1/2'' x 1/8''
Stand -- Alloy, Center Mount, Black
Tyres
Front -- Beach Bum 26 x 2.125", Black Wall
Rear -- Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Spoke Rims: 26" x 36H x 14G, Red
Brakes
Front SHIMANO BR-R8070 Alloy (Linear Pull) Black
Rear -- Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever INCLUDED W/SHIFTERS Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Metallic Red


Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features -- --
Additional Details SIZES : 470 500 530 550 570 590 610
BB : SHIMANO SM-BB72-41B
ROTOR : SHIMANO SM-RT800 CENTER LOCK, DIAM. 160MM
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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