Sun Biscayne Tandem 7 vs Tern Link Uno

Drivetrain	K.M.C. 1/2" x 1/8", Black (152 Links)	--
Frame	High Tensile Steel, TIG-Welded	--
Stem	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	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	Flat bar, 6061-AL
Fork	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets	--
Seatpost	Alloy w/o Clamp, 25.6 x 350mm, Black	SuperOversize, 6061-AL, casted clamp
Grip	Foam, Black	BioLogic Ergo, kraton
Crankset	--	Cold-forged 6061 aluminum crank arms, hand-polished
Pedals	Slip Resistant Top, 9/16", Black	Suntour folding
Chain	K.M.C. 1/2" x 3/32", Black (130 Links)	408H, 3/32"
Shifters	Shimano 7-Speed Revo Twist Shifter	--
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Sport
Headset	Steel, 25.4 x 34 x 30mm, Black	Flux, cartridge bearings, Tri-seal technology
Derailleur Rear	Shimano RD-TX35 Tourney	--
Hub Front	Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)	Mini by Formula, aluminum
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	Coaster, 1 spd
Spoke	14G Stainless Steel with Brass Nipples	Stainless steel, brass nipples
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm	--
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Schwalbe Citizen, puncture protection, Reflex
Rear	Beach Bum 26 x 2.125", Black Wall	Schwalbe Citizen, puncture protection, Reflex
Wheel / RIM	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)	Size : 20" wheels Rims: Aluminum

Front	Alloy (Linear Pull) Black	V, aluminum, linear spring (option)
Rear	Alloy (Linear Pull) Black	Coaster hub
Brake Lever	Alloy (Linear Pull) Black / Silver	V, generic (option)

Front	--	--
Rear	--	--

Colors

--

Grey Black/Dark Grey

Length	--	--
Weight	27.2 kg	11.5 kg

Features	--	- Physis™ 3D handlepost, OCL™ frame joint and DoubleTruss™ technology for an unbeatably stiff ride - FreeDrive™ chain cover protects your clothes from grease and dirt - Folds compactly in 10 seconds for storage and transport - Magnetix™ 2.0 lock the bike in place when folded - Optional fenders and rear rack
Additional Details	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	HANDLEPOST : Physis QR, 2D forged aluminum, 4 patented technologies SEATPOST CLAMP : SuperOversize, 6061-AL FOLDING SIZE : 36 x 79 x 72 cm FOLDING TIME : 10 sec FRAME SIZES : One size GEAR INCHES : 68" DISTANCE: SEATPOST TO HANDLEBAR : Min: 590 mm Max: 630 mm DISTANCE: SADDLE TO PEDAL : Min: 700 mm Max: 960 mm SUGGESTED RIDER HEIGHT : 142 - 190 cm MAX LOAD WEIGHT : 110 kg