Sun Biscayne Tandem 7 vs Tern Eclipse D16

Drivetrain	K.M.C. 1/2" x 1/8", Black (152 Links)	--
Frame	High Tensile Steel, TIG-Welded	Tern Eclipse, hydroformed aluminum, 3 patented technologies
Stem	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black	Tern Andros, adjustable, forged construction, patented technology
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	Integrated, hi-tensile steel
Seatpost	Alloy w/o Clamp, 25.6 x 350mm, Black	SuperOversize, 6061-Al, micro-adjust clamp
Grip	Foam, Black	Velo ergonomic, lock-on
Crankset	--	Forged 6061 aluminum crank, 50/34T
Pedals	Slip Resistant Top, 9/16", Black	Folding, alloy body
Chain	K.M.C. 1/2" x 3/32", Black (130 Links)	KMC 8 spd
Shifters	Shimano 7-Speed Revo Twist Shifter	Shimano, trigger, 2 x 8 spd
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Tern Porter, patented GripPad design
Headset	Steel, 25.4 x 34 x 30mm, Black	Flux, cartridge bearings, Physis integrated
Derailleur Front	--	Shimano Altus
Derailleur Rear	Shimano RD-TX35 Tourney	Shimano Claris
Hub Front	Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)	Shimano, Centerlock disc
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	Shimano, Centerlock disc
Spoke	14G Stainless Steel with Brass Nipples	--
Cassette	--	Shimano, 11-30T, 8 spd
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 Spicer, 40-559, puncture protection, Reflex
Rear	Beach Bum 26 x 2.125", Black Wall	Schwalbe Spicer, 40-559, 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 : 26" wheels Rims : Doublewall aluminum, disc only

Front	Alloy (Linear Pull) Black	Shimano, hydraulic disc
Rear	Alloy (Linear Pull) Black	Shimano, hydraulic disc
Brake Lever	Alloy (Linear Pull) Black / Silver	Shimano, hydraulic

Front	--	--
Rear	--	--

Colors

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Gunmetal Grey

Length	--	--
Weight	27.2 kg	14.8 kg

Features	--	- Best-riding introductory bike in our lineup, thanks to large 26” wheels and our unique folding technology - Folds in 10 seconds or less—store it indoors or transport it in your car - Resizes in seconds to fit a wide range of riders - Tool-free adjustable handlebar stem lets you change riding positions on the fly - Fenders for rainy days (included)
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	SEATPOST CLAMP : SuperOversize, 6061-Al HANDLEPOST : Tern Physis 3D, 3D forged, 5 patented technologies FOLDING SIZE : 44 x 91 x 75 cm (17.3" x 35.8" x 29.5") FOLDING TIME : 10 seconds FRAME SIZES : One size GEAR INCHES : 29" - 115" (2.28 - 9.14 m) DISTANCE: SEATPOST TO HANDLEBAR : Min: 630 mm (24.8"); Max: 700 mm (27.6") DISTANCE: SADDLE TO PEDAL : Min: 795 mm (31.3"); Max: 1050 mm (41.3") SUGGESTED RIDER HEIGHT : 148 - 195 cm (4'10" - 6'5") MAX LOAD WEIGHT : 105 kg (230 lb)
Accessories	--	BELL: Aluminum KICKSTAND : Deluxe center mount CLIP SYSTEM : Magnetix 2.0 LUGGAGE SOCKET : Yes FENDERS : RP Chromeplastic, stainless hardware