Kellys URC 70 vs Sun Biscayne Tandem 7

Compare Specifications of Kellys URC 70 and Sun Biscayne Tandem 7

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Kellys URC 70
Kellys URC 70

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Brand:

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Technical Specifications
Drivetrain -- K.M.C. 1/2" x 1/8", Black (152 Links)
Speed 22 --
Frame KELLYS iCAD RC Carbon Pro Disc, Power Core, flat mount, tapered HT, internal routing, 12 x 142 mm thru axle High Tensile Steel, TIG-Welded
Stem RITCHEY WCS C220 - diam 28.6 mm / bar bore 31.8 mm / 84° / length 100 mm (M), 110 mm (L) 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 RITCHEY Comp Logic II - diam 31.8 mm / width 420 mm (M), 440 mm (L) 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 KELLYS Carbon Disc - 1.5 tapered steerer, flat mount disc brake, 12 x 100 mm thru axle 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost RITCHEY WCS Carbon 1-Bolt monocoque - diam 30.9 mm / length 350 mm (M), 400 mm (L) Alloy w/o Clamp, 25.6 x 350mm, Black
Grip fi´zi:k microtex bar tape / gel padding Foam, Black
Crankset SHIMANO Ultegra R8000 Hollowtech II (50 x 34T) - length 172.5 mm (M), 175 mm (L) --
Pedals -- Slip Resistant Top, 9/16", Black
Chain SHIMANO CN-HG701-11 (106 links) K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters SHIMANO Ultegra ST-R8020 Dual Control Shimano 7-Speed Revo Twist Shifter
Saddle fi'zi:k Antares R7 S-alloy rail Comfort Cruiser, Elastomer Suspension, Black
Headset -- Steel, 25.4 x 34 x 30mm, Black
Derailleur Front SHIMANO Ultegra R8000 (braze on) --
Derailleur Rear SHIMANO Ultegra R8000 (direct mount) 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 CS-5800-11 (11-32T) --
Sprocket SHIMANO Ultegra CS-5800-11 (11-32T) --
Bottom Bracket SHIMANO Press-Fit BB71-41B BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front MAVIC Yksion Elite 28-622 (700 x 28C) folding Beach Bum 26 x 2.125", Black Wall
Rear MAVIC Yksion Elite 28-622 (700 x 28C) folding Beach Bum 26 x 2.125", Black Wall
Wheel / RIM MAVIC Ksyrium UST Disc Center Lock (12 x 100 mm / 12 x 142 mm) 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 140 mm, SHIMANO Ultegra R8070 Hydraulic Disc (flat mount) Alloy (Linear Pull) Black
Rear 140 mm, SHIMANO Ultegra R8070 Hydraulic Disc (flat mount) Alloy (Linear Pull) Black
Brake Lever SHIMANO Ultegra ST-R8020 Dual Control Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features -- --
Additional Details Frame Size : M / L
Head Parts : RITCHEY Comp Cartridge 1.5 integrated
Thru Axle : Mr.control 12 x 100 mm front / 12 x 142 mm rear
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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