BMC Timemachine vs Sun Biscayne Tandem 7

Compare Specifications of BMC Timemachine and Sun Biscayne Tandem 7

Selected Bikes

BMC Timemachine
BMC Timemachine

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Sun Biscayne Tandem 7
Sun Biscayne Tandem 7

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Technical Specifications
Gear Shift Pattern Gear : 2 x 12 --
Drivetrain -- K.M.C. 1/2" x 1/8", Black (152 Links)
Frame Timemachine Carbon with P2P positioning System
PF86 bottom bracket
Rear Storage Box
Sliding Dropouts
High Tensile Steel, TIG-Welded
Stem BMC RSM01 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 Profile WING 10a Basebar / Sonic Ergo 35A Aerobar 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 Timemachine Carbon 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost BMC P2P Aero Post
62 mm offset adjustment
P2P Dual-Mount Aeropost Configuration (Triathlon & Time Trial)
Alloy w/o Clamp, 25.6 x 350mm, Black
Grip -- Foam, Black
Pedals -- Slip Resistant Top, 9/16", Black
Chain SRAM FORCE 12 speed K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters SRAM FORCE eTap AXS HRD Shimano 7-Speed Revo Twist Shifter
Saddle Selle Italia Watt Comfort Cruiser, Elastomer Suspension, Black
Headset -- Steel, 25.4 x 34 x 30mm, Black
Derailleur Front SRAM FORCE eTap AXS --
Derailleur Rear SRAM FORCE eTap AXS Shimano RD-TX35 Tourney
Hub Front CRV-500 Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)
Hub Rear CRV-500 Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke -- 14G Stainless Steel with Brass Nipples
Cassette SRAM FORCE XG-1270, 10-28T --
Chainrings Chainwheel : SRAM FORCE AXS 48/35T --
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front 25 mm, Vittoria Zaffiro Pro Beach Bum 26 x 2.125", Black Wall
Rear 25 mm, Vittoria Zaffiro Pro Beach Bum 26 x 2.125", Black Wall
Wheel / RIM CRV-500 Carbon 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 SRAM FORCE eTap AXS HRD Alloy (Linear Pull) Black
Rear SRAM FORCE eTap AXS HRD Alloy (Linear Pull) Black
Brake Lever -- Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight 9.0 kg 27.2 kg
Overview
Features - Vmax Technology
- Dual-mount Seatpost
- SubA Aero Hinge-fork
- Caliper Covers
- Integrated Fuel Options
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Additional Details Tire Clearance : 27 mm
ASTM Classification : Level 1
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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