Sun Biscayne Tandem 7 vs Trek Top Fuel 9.8 GX AXS

Compare Specifications of Sun Biscayne Tandem 7 and Trek Top Fuel 9.8 GX AXS

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Trek Top Fuel 9.8 GX AXS
Trek Top Fuel 9.8 GX AXS

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Technical Specifications
Load Carrying Capacity -- Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Drivetrain K.M.C. 1/2" x 1/8", Black (152 Links) --
Frame High Tensile Steel, TIG-Welded OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115 mm travel
Stem Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black
Size : S, M, M/L - Bontrager Kovee Pro, 35 mm, Knock Block, Blendr compatible, 13 degree, 60 mm length
Size : L, XL - Bontrager Kovee Pro, 35 mm, Knock Block, Blendr compatible, 13 degree, 70 mm length
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
Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 750 mm width
Fork 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets RockShox SID Select+, DebonAir spring, Charger 2 RL damper, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel
Seatpost Alloy w/o Clamp, 25.6 x 350mm, Black Size : S - Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 31.6 mm, 340 mm length
Size : M, M/L - Bontrager Line Elite Dropper, 150 mm travel, MaxFlow, internal routing, 31.6 mm, 440 mm length
Size : L, XL - Bontrager Line Elite Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 480 mm length
Grip Foam, Black Bontrager XR Trail Elite, nylon lock-on
Crankset -- Size : S - SRAM GX 7K Eagle, DUB, 32T alloy ring, Boost (52 mm chainline), 170 mm length
Size : M, M/L, L, XL - SRAM GX 7K Eagle, DUB, 32T alloy ring, Boost (52 mm chainline), 175 mm length
Pedals Slip Resistant Top, 9/16", Black --
Chain K.M.C. 1/2" x 3/32", Black (130 Links) SRAM GX Eagle, 12 speed
Shifters Shimano 7-Speed Revo Twist Shifter SRAM GX Eagle AXS, 12 speed
Saddle Comfort Cruiser, Elastomer Suspension, Black Bontrager Montrose Elite, titanium rails, 138 mm width
Headset Steel, 25.4 x 34 x 30mm, Black Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Rear Shimano RD-TX35 Tourney SRAM GX Eagle AXS
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 Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- SRAM Eagle XG-1275, 10-52, 12 speed
Bottom Bracket BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
SRAM DUB, 92 mm, PressFit
Stand Alloy, Center Mount, Black --
Tyres
Front Beach Bum 26 x 2.125", Black Wall Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29 x 2.40''
Rear Beach Bum 26 x 2.125", Black Wall Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29 x 2.40''
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)
Front : Bontrager Kovee Elite 30 Carbon, Tubeless Ready, 6-bolt, Boost 110, 15 mm thru axle
Rear : Bontrager Kovee Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 54, XD Driver, 6-bolt, Boost148, 12 mm thru axle
Brakes
Front Alloy (Linear Pull) Black SRAM G2 RS 4-piston hydraulic disc
Brake Rotor : SRAM CenterLine, 6-bolt, round-edge, 160 mm
Rear Alloy (Linear Pull) Black SRAM G2 RS 4-piston hydraulic disc
Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Brake Lever Alloy (Linear Pull) Black / Silver --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Matte Raw Carbon/Voodoo Trek Black
Gloss Red/Matte Carbon Smoke
Carbon Blue Smoke/Radioactive Coral


Physical Specs
Length -- --
Weight 27.2 kg 11.88 kg
Overview
Features -- - Straight Shot downtube
- Active Braking Pivot
- Control Freak Cable Management
- Complete Tubeless System
- Suspension Calculator
- Mino Link Adjustable Geometry
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
Shock : RockShox SID Luxe Ultimate, DebonAir spring, Ultimate RL damper, 190 x 45 mm
Suspension lever : Bontrager Drop Lock remote
Skewer rear : Bontrager Switch thru axle, removable lever

Which one do you think is better? And why?
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