Obed Boundary GRX 600 vs Sun Biscayne Tandem CB

Compare Specifications of Obed Boundary GRX 600 and Sun Biscayne Tandem CB

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Obed Boundary GRX 600
Obed Boundary GRX 600

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Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Technical Specifications
Frame Carbon Fiber High Tensile Steel, TIG-Welded
Stem FSA Gossamer Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar FSA NS Adventure Compact Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork 50mm, Boundary Carbon, Multiple Rack/Fender/Cargo Mounts --
Seatpost 27.2 mm, FSA Gossamer --
Grip -- Foam, Black
Crankset Shimano GRX RX600 40T --
Pedals -- Slip Resistant Top, 9/16", Black
Chain Shimano HG601 K.M.C. 1/2" x 1/8", Black (130 Links)
Shifters Shimano GRX RX600 --
Saddle WTB Volt Medium Steel Comfort Cruiser, Elastomer Suspension, Black
Headset Cane Creek 40 Series Steel, 25.4 x 34 x 30mm, Black
Derailleur Rear Shimano GRX RX812 --
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 Shimano SLX M7000 11-42 --
Chainrings 52/36t --
Sprocket -- 19T x 1/2'' x 1/8''
Bottom Bracket BB86 Shimano --
Stand -- Alloy, Center Mount, Black
Tyres
Front Panaracer Gravel King SK 700 x 43c Tubeless Beach Bum 26 x 2.125", Black Wall
Rear Panaracer Gravel King SK 700 x 43c Tubeless Beach Bum 26 x 2.125", Black Wall
Wheel / RIM -- Rims: 26" x 36H x 14G, Red
Brakes
Front Shimano GRX RX400 Hydraulic,
Rotor : Shimano RT70 180 mm
Alloy (Linear Pull) Black
Rear Shimano GRX RX400 Hydraulic
Rotor : Shimano RT70 160 mm
Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever -- Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Sand
Pine
Autumnal
Graphite
Cobalt Matte
Jet Matte
Metallic Red


Physical Specs
Length -- --
Weight -- 27.2 kg
Overview
About Obed Boundary GRX 600 1x Read More --
Features - Water Bottle Mounts
- Fender Mounts
- Rack Mounts
- Three-Pack Mounts
- Toptube Bag Mounts
- Downtube Accessory Mount
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Additional Details Sizes : XS, S, M, L, XL 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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