Avanti Black Thunder 1 Mountain Bike vs Sun Biscayne Tandem 7

Compare Specifications of Avanti Black Thunder 1 Mountain Bike and Sun Biscayne Tandem 7

Selected Bikes

Avanti Black Thunder 1 Mountain Bike
Avanti Black Thunder 1 Mountain Bike

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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 ADT Custom FormTech 6061 Alloy, Integrated Headtube, Replaceable hanger High Tensile Steel, TIG-Welded
Stem Zoom Alloy ahead, w/alloy cap, XS-M=60 mm, L=90 mm 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 Lightweight Alloy Riser, 15 Rise, 9Sweep, 680 mm wide, 31.8 mm 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 HL Zoom 386, Alloy Crown, 80mm Travel 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost Alloy 27.2 x 300 mm, alloy QR Alloy w/o Clamp, 25.6 x 350mm, Black
Grip MTB Kraton soft comfort Foam, Black
Crankset Alloy 48/38/28T --
Pedals Resin Platform with ball bearings Slip Resistant Top, 9/16", Black
Chain KMC HP6L K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters Shimano EF500 21-Speed Shimano 7-Speed Revo Twist Shifter
Saddle Zero Sport Comfort Cruiser, Elastomer Suspension, Black
Headset 1 1/8th Ahead Internal semi cartridge Steel, 25.4 x 34 x 30mm, Black
Derailleur Front Shimano TY510 --
Derailleur Rear Shimano TY500 7sp Shimano RD-TX35 Tourney
Hub Front KT Alloy 32H QR Cassette Disc 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 Stainless Steel 14G Stainless Steel with Brass Nipples
Cassette Shimano 12-32T 7-Speed Cassette --
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front MTB 27.5 x 2.6 Beach Bum 26 x 2.125", Black Wall
Rear MTB 27.5 x 2.6 Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Lightweight Alloy 32H Double Wall Disc 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 Tektro Aries Mechanical Disc, 160 mm rotors Alloy (Linear Pull) Black
Rear -- Alloy (Linear Pull) Black
Brake Lever Included with shifters Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Black / Blue
Black / Charcoal
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Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features - Burly alloy frame with tough integrated headtube and replaceable derailleur hanger
- HL Zoom fork with 80mm of travel
- Disc brakes for responsive braking, rain, hail or shine
- Alloy cranks and 21 speed gearing with a tough cassette hub
- Oversized alloy bar and stem with a light alloy seat post
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Additional Details Sizes : XS, S, M, L, XL
Bottom Bracket : Cartridge
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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