Atala TENDER 20 21V vs Sun Biscayne Tandem 7

Compare Specifications of Atala TENDER 20 21V and Sun Biscayne Tandem 7

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Atala TENDER 20 21V
Atala TENDER 20 21V

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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 20 "aluminum with hinge High Tensile Steel, TIG-Welded
Stem Aluminum, foldable and telescopic 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 Flat aluminum 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-Ten Tig 20 " 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost Aluminum 27.2 x 400 mm Alloy w/o Clamp, 25.6 x 350mm, Black
Grip -- Foam, Black
Crankset Aluminum 48/38/28 --
Pedals Foldable aluminum / resin Slip Resistant Top, 9/16", Black
Chain -- K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters -- Shimano 7-Speed Revo Twist Shifter
Saddle Selle Royal Mach Comfort Cruiser, Elastomer Suspension, Black
Headset Steel 1 "1/8 ahead Steel, 25.4 x 34 x 30mm, Black
Derailleur Rear Shimano Tourney FD-TY510 34.9mm Shimano RD-TX35 Tourney
Hub Front Aluminum, 36 holes 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
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front Byte Este 20 "x1.75 Beach Bum 26 x 2.125", Black Wall
Rear Byte Este 20 "x1.75 Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Rims : Double chamber aluminum, 36 holes 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 V-brake aluminum Alloy (Linear Pull) Black
Rear -- Alloy (Linear Pull) Black
Brake Lever -- Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Black / Matt fluo yellow --


Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features -- --
Additional Details Size : 35
Exchange : Shimano Tourney RD-TY300 7s
Free Wheel : Shimano Tourney 7s 14-28
Controls : Shimano Tourney SL-RS36 RevoShift 7x3s
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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