Sun Biscayne Tandem CB vs Trek 2020 Emonda SLR 9 Disc eTap

Compare Specifications of Sun Biscayne Tandem CB and Trek 2020 Emonda SLR 9 Disc eTap

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Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Trek 2020 Emonda SLR 9 Disc eTap
Trek 2020 Emonda SLR 9 Disc eTap

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Technical Specifications
Frame High Tensile Steel, TIG-Welded Ultralight 700 Series OCLV Carbon, Ride Tuned performance tube optimization, tapered head tube, Control Freak internal routing, Ride Tuned seatmast, DuoTrap S compatible, flat mount disc,
Stem Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black --
Handle Bar Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black Bontrager XXX Barstem Combo, OCLV Carbon, Blendr compatible
Fork -- Emonda SLR full carbon, tapered carbon steerer, internal brake routing, flat mount disc
Seatpost -- Bontrager Ride Tuned carbon seatmast cap, 20 mm offset
Grip Foam, Black Bontrager Supertack Perf tape
Crankset -- SRAM RED D1, 24 mm spindle
Pedals Slip Resistant Top, 9/16", Black --
Chain K.M.C. 1/2" x 1/8", Black (130 Links) SRAM RED D1, 12 speed
Shifters -- SRAM RED eTap AXS, 12 speed
Saddle Comfort Cruiser, Elastomer Suspension, Black Bontrager XXX, OCLV Carbon shell and rails, 154 mm width
Headset Steel, 25.4 x 34 x 30mm, Black FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Front -- SRAM RED eTap AXS, braze-on
Derailleur Rear -- SRAM RED eTap AXS, Orbit chain management, 33 T max cog
Hub Front Shimano CB-E110 Coaster Brake, 36H x 14G, Black --
Hub Rear Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black --
Spoke 14G Stainless Steel with Brass Nipples --
Cassette -- SRAM RED XG-1290, 10-28, 12 speed
Chainrings -- 48 / 35
Sprocket 19T x 1/2'' x 1/8'' --
Stand Alloy, Center Mount, Black --
Tyres
Front Beach Bum 26 x 2.125", Black Wall Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25 c
Rear Beach Bum 26 x 2.125", Black Wall Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25 c
Wheel / RIM Rims: 26" x 36H x 14G, Red Bontrager Aeolus XXX 2, OCLV Carbon, Tubeless Ready, 21mm rim width, 28 mm rim depth, 12 mm thru-axle
Brakes
Front Alloy (Linear Pull) Black SRAM Red hydraulic disc, flat mount, 160 mm rotors
Rear Shimano CB-E110 Internal Coaster Brake, Black SRAM Red hydraulic disc, flat mount, 160 mm rotors
Brake Lever Alloy (Linear Pull) Black / Silver --
Suspension
Front -- --
Rear -- --
Colors Available
Colors Metallic Red Viper Red


Physical Specs
Length -- --
Weight 27.2 kg --
Overview
Features -- --
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
Axles
Front : 12 x 100 mm thru axle
Rear : 142 x 12 mm thru axle
Bottom Bracket : Trek BB90

Which one do you think is better? And why?
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