Kreidler Raise RT7S vs Sun Biscayne Tandem CB

Compare Specifications of Kreidler Raise RT7S and Sun Biscayne Tandem CB

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Kreidler Raise RT7S
Kreidler Raise RT7S

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Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Technical Specifications
Load Carrying Capacity Perm. Total weight : 140 kg --
Frame Aluminum 6061, 28 "City High Tensile Steel, TIG-Welded
Stem Aluminum, 1 1/8 ", adjustable angle, 31.8 mm, 4-way clamping Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar SONOS, trekking, aluminum, 640 mm Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork 28 "aluminum fork, --
Seatpost Humpert, Atar, patent, aluminum, 27.2 mm, 300 mm --
Grip -- Foam, Black
Crankset Gates CDN pulley 46 teeth with trouser guard --
Pedals Marwi SP-823 aluminum Slip Resistant Top, 9/16", Black
Chain Gates CDN drive belt K.M.C. 1/2" x 1/8", Black (130 Links)
Saddle Selle Royal Milo Plus Comfort Cruiser, Elastomer Suspension, Black
Headset -- Steel, 25.4 x 34 x 30mm, Black
Hub Front Shimano Nexus 8-speed freewheel hub Shimano CB-E110 Coaster Brake, 36H x 14G, Black
Hub Rear Shutter Precission PL-8, smooth-running hub dynamo Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke 2 mm 14G Stainless Steel with Brass Nipples
Sprocket -- 19T x 1/2'' x 1/8''
Bottom Bracket Thun Topaz, square --
Stand Pletscher Comp Flex, rear stand, adjustable Alloy, Center Mount, Black
Headlamp LED plastic, 70 LUX with parking light --
Taillamp Busch & Muller Toplight 2C Plus, LED, with parking light --
Tyres
Front Schwalbe Marathon Racer, 35-622, reflex Beach Bum 26 x 2.125", Black Wall
Rear Schwalbe Marathon Racer, 35-622, reflex Beach Bum 26 x 2.125", Black Wall
Wheel / RIM Schurmann YAK19 Disc, aluminum hollow chamber Rims: 26" x 36H x 14G, Red
Brakes
Front Shimano BR-MT200 160 mm disc brake Alloy (Linear Pull) Black
Rear Shimano BR-MT200 160 mm disc brake Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever Shimano, Altus, 3-finger brake lever Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Silver matt Metallic Red


Physical Specs
Length -- --
Weight 14.62 kg 27.2 kg
Overview
Features -- --
Additional Details Tax Rate : FSA, 1 1/8 “semi-integrated
Porter : Racktime Light-it, strutless, with spring clamp
Fenders : SKS, plastic
Handles : Herrmans DD37 with screw clamp
Gear lever : Shimano Alfine trigger
Ring Gear : Gates CDN pulley, 24 teeth
Gear ratio (front : rear) : 46 teeth : 24 teeth
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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