Jamis Explorer A2 vs Sun Biscayne Tandem 7

Compare Specifications of Jamis Explorer A2 and Sun Biscayne Tandem 7

Selected Bikes

Jamis Explorer A2
Jamis Explorer A2

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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 6061 TIG-welded aluminum, all-new sport comfort design with upright ride position, replaceable derailleur hanger, center-mount kickstand bracket High Tensile Steel, TIG-Welded
Stem Jamis alloy, angle-adjustable, 90mm ext x 150mm quill (14–18") or 110mm ext x 180mm quill (19–21”) 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 Comfort hi-rise, steel, 25.4 x 80mm rise x 15˚ sweep x 620mm 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 Hi-tensile steel unicrown, radius blades with dropout eyelets 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost Alloy micro-adjust, 350mm x 27.2mm, with alloy QR clamp Alloy w/o Clamp, 25.6 x 350mm, Black
Grip Kraton comfort Foam, Black
Crankset Forged alloy, 48/38/28T, 170mm with chainguard --
Pedals Comfort platform with TPE non-slip insert Slip Resistant Top, 9/16", Black
Chain KMC Z7 K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters Shift levers : Shimano EZ-Fire Plus, ST-EF500, 21-speed Shimano 7-Speed Revo Twist Shifter
Saddle Jamis Comfort with extra thick padding, synthetic suede top, burnished side panels and bumper springs Comfort Cruiser, Elastomer Suspension, Black
Headset Internal cup, threaded, 1 1/8” Steel, 25.4 x 34 x 30mm, Black
Derailleur Front Shimano TY510 top swing/dual pull --
Derailleur Rear Shimano TY300 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 freewheel 7-speed, 14-34 --
Bottom Bracket Sealed cartridge, 68 x 110.5mm BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front CST - 1918, 27.5 x 2.1 Beach Bum 26 x 2.125", Black Wall
Rear CST - 1918, 27.5 x 2.1 Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Alloy 36H rims, Formula alloy hubs, QR front and rear, 14g stainless steel spokes 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 ProMax alloy direct pull brakes with Shimano levers Alloy (Linear Pull) Black
Rear ProMax alloy direct pull brakes with Shimano levers Alloy (Linear Pull) Black
Brake Lever -- Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight 13.8 kg 27.2 kg
Overview
Features -- --
Additional Details Sizes : 15”, 17”, 19", 21” 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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