Marin Bolinas Ridge 1 vs Sun Biscayne Tandem 7

Compare Specifications of Marin Bolinas Ridge 1 and Sun Biscayne Tandem 7

Selected Bikes

Marin Bolinas Ridge 1
Marin Bolinas Ridge 1

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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 Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68 mm BB shell, 135 mm Forged Dropouts, Chainstay Mounted Disc Brakes High Tensile Steel, TIG-Welded
Stem Marin Alloy, 31.8 Bar Bore, 45 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 Marin 31.8 Riser, 12 mm Rise, 780 mm Width 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 -- 1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost Marin Alloy, 27.2 mm Alloy w/o Clamp, 25.6 x 350mm, Black
Grip Marin Dual Density Foam, Black
Crankset Shimano FC-TY301, 42/34/24T --
Pedals Nylon Platform Slip Resistant Top, 9/16", Black
Chain KMC Z51 K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters Shift Lever : Shimano Tourney 3x7-Speed Shimano 7-Speed Revo Twist Shifter
Saddle Marin MTB Comfort Cruiser, Elastomer Suspension, Black
Headset FSA No.10-P Steel, 25.4 x 34 x 30mm, Black
Derailleur Front Shimano FD-TX500 --
Derailleur Rear Shimano Tourney, 7-Speed Shimano RD-TX35 Tourney
Hub Front Formula, 32H Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)
Hub Rear Formula, 32H Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke 15 g Black Stainless Steel 14G Stainless Steel with Brass Nipples
Cassette SunRace 7-Speed, 11-34T --
Bottom Bracket -- BC1.37'' x 24TPI, Steel, Caged Bearings
Spindle:Bolt Type, 119mm
Stand -- Alloy, Center Mount, Black
Tyres
Front MTB, 27.5/29 x 2.25" Beach Bum 26 x 2.125", Black Wall
Rear MTB, 27.5/29 x 2.25" Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Marin, Double Wall Alloy 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 Power CX7 Mechanical Disc, Shimano Pad Compatible, 160 mm Rotor Alloy (Linear Pull) Black
Rear Power CX7 Mechanical Disc, Shimano Pad Compatible, 160 mm Rotor Alloy (Linear Pull) Black
Brake Lever Shimano w/ Integrated Shifters Alloy (Linear Pull) Black / Silver
Suspension
Front SR Suntour XCE Disc, 100 mm Travel, Preload Adjustment, 46 mm Offset --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
Features - Series 1 Aluminum Frame
- 29” OR 27.5” Wheels
- Disc Brakes
- Trail Ready Components
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Additional Details Bottom Bracket : Sealed Cartridge Bearings, Square Taper 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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