Sun Biscayne Tandem 7 vs Surly Cross-Check

Compare Specifications of Sun Biscayne Tandem 7 and Surly Cross-Check

Selected Bikes

Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Surly Cross-Check
Surly Cross-Check

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Technical Specifications
Drivetrain K.M.C. 1/2" x 1/8", Black (152 Links) --
Frame High Tensile Steel, TIG-Welded Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded. ED Coated.
Stem Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black
ProMax, 31.8, 4-Bolt
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
Dimension Mountain
Fork 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets Surly Cross-Check, 4130 CroMoly, lugged & brazed. Sloping crown w/threaded eyelets, tapered & butted curved blades w/mid-blade rack eyelets, dual dropout eyelets
Seatpost Alloy w/o Clamp, 25.6 x 350mm, Black ProMax SP-2019 non-offset (42–50cm), SP-2016 offset (52–62cm) 27.2 x 300mm
Clamp: Surly stainless, 30.0mm
Grip Foam, Black Black Gel
Crankset -- Samox 3pcs, BCD110 Square taper, 40t chainring
Pedals Slip Resistant Top, 9/16", Black --
Chain K.M.C. 1/2" x 3/32", Black (130 Links) KMC X8
Shifters Shimano 7-Speed Revo Twist Shifter Microshift Acolyte Xpress
Saddle Comfort Cruiser, Elastomer Suspension, Black WTB Volt 142
Headset Steel, 25.4 x 34 x 30mm, Black Cane Creek 10
Derailleur Rear Shimano RD-TX35 Tourney Microshift RD-M5185M
Hub Front Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel) Novatech 32h, 100mm, w/QR
Hub Rear Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black Novatech 32h, 135mm, w/QR
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- Microshift CS-H083, 12-42, 8-speed
Bottom Bracket BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
68x110.5mm
Stand Alloy, Center Mount, Black --
Tyres
Front Beach Bum 26 x 2.125", Black Wall Kenda Kwest 700c x 35mm
Rear Beach Bum 26 x 2.125", Black Wall Kenda Kwest 700c x 35mm
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)
Rims: Alex DH19
Brakes
Front Alloy (Linear Pull) Black Tektro M730
Rear Alloy (Linear Pull) Black Tektro M730
Brake Lever Alloy (Linear Pull) Black / Silver Tektro CL520
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- BlueGreenGray


Physical Specs
Length -- --
Weight 27.2 kg --
Overview
Features -- Semi-horizontal dropouts for singlespeed compatibility and wheelbase adjustability
Accommodations for front and rear racks and fenders
Clearance for 700c x 42mm tires with or without fenders
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
Size:
42cm - 46cm - 50cm - 52cm - 54cm - 56cm - 58cm - 60cm - 62cm - 64cm

Which one do you think is better? And why?
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