BMC Alpenchallenge One vs Sun Brickell Tandem 7

Compare Specifications of BMC Alpenchallenge One and Sun Brickell Tandem 7

Selected Bikes

BMC Alpenchallenge One
BMC Alpenchallenge One

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Sun Brickell Tandem 7
Sun Brickell Tandem 7

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Technical Specifications
Gear Shift Pattern Gear : 1 x 8 --
Drivetrain -- K.M.C. 1/2" x 1/8", Silver (152 Links)
Frame Alpenchallenge 01 Premium Alloy, Belt Drive
Triple-butted, Hydroformed Aluminium
Internal Cable Routing
Eccentric Bottom Bracket
6061 Series Aluminum, TIG-Welded
Stem BMC MSM01 Stem Alloy W/Micro Adj. Angle, 25.4 x 180mm Quill x 90mm Ext., Black
Stoker Stem: Alloy, Adjustable Reach (4-Bolt Face) Black
Handle Bar Lightskin with integrated lights 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 Alpenchallenge 01 Carbon 1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets
Seatpost Lightskin with integrated lights Alloy W/Integrated Clamp, 28.6 x 350mm, Black
Grip -- Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey
Pedals -- Slip Resistant Top, 9/16", Black
Chain Belt, Gates CDN-CT 115 K.M.C. 1/2" x 3/32", Silver (130 Links)
Shifters Shimano Alfine 8, Rapidfire Plus Rear Shifter: Shimano Tourney 7-Speed Twist Shifter
Saddle Selle Royal Vivo Comfort Cruiser, Elastomer Suspension, Black
Headset -- Semi Integrated, Steel, 25.4 x 44 x 30mm, Black
Derailleur Rear -- Shimano RD-TX35 Tourney
Hub Front Shimano HB-M4050 / Shimano Alfine 8 Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Hub Rear Shimano HB-M4050 / Shimano Alfine 8 Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Spoke -- 12G Stainless Steel with Brass Nipples
Cassette Gates CDX-CT SureFit, 24T --
Chainrings Chainwheel : Gates CenterTrack CDN-S-150, 55T --
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm
Stand -- Alloy, Center Mount, Black
Tyres
Front 28 mm, Continental Contact Speed Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Rear 28 mm, Continental Contact Speed Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Wheel / RIM SR500 Rims: 26" x 36H x 12G, Alloy, Black
Front: 26" x 1.75 x 36H x 12G Alloy-Cruiser, Bolt-On
Rear: 26" x 1.75 x 36H x 12G Alloy-Cruiser (For Freewheel)
Brakes
Front Shimano MT400/RT30rotors (160/160) Alloy (Linear Pull) Black
Rear Shimano MT400/RT30rotors (160/160) Alloy (Linear Pull) Black
Brake Lever -- Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight 11.5 kg 22.6 kg
Overview
Features - Fast Frame Designs
- Great-Handling Fork
- Fender and Kickstand Mounts
- Low-Maintenance Drivetrain
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Additional Details Tire Clearance : 32 mm
ASTM Classification : Level 2
Captain Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", 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, Black (4-Bolt x 104mm BCD) W/Plastic Chain Cover
Pulley Adjuster:Eccentric BB Insert
Seat Clamp: Alloy, 34.9mm I.D., with Double Bolt, Black
Stoker Seat Clamp: Alloy, 34.9mm I.D., Black
Front Fender: Plastic W/Rubber Bump Guards, Silver
Rear Fender: Plastic W/Rubber Bump Guards, Silver
Fender Set: Plastic, F&R W/Rubber Bump Guards, Silver

Which one do you think is better? And why?
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