Sun Biscayne Tandem CB vs Tern Link D7i

Frame	High Tensile Steel, TIG-Welded	Tern Link, aluminum, OCL Joint, 3 patented technologies
Stem	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black	Tern Andros (G2), adjustable, forged construction, patented technology
Handle Bar	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black	Flat bar, 6061-Al, Andros butted
Fork	--	Integrated, hi-tensile steel
Seatpost	--	SuperOversize, 6061-Al, micro-adjust clamp
Grip	Foam, Black	Velo ergonomic, lock-on
Crankset	--	Forged 6061 aluminum crank arms, hand-polished
Pedals	Slip Resistant Top, 9/16", Black	Folding, alloy body
Chain	K.M.C. 1/2" x 1/8", Black (130 Links)	408H
Shifters	--	Shimano Nexus 7 spd
Saddle	Comfort Cruiser, Elastomer Suspension, Black	BioLogic Como DLX
Headset	Steel, 25.4 x 34 x 30mm, Black	Flux, cartridge bearings, Physis integrated
Hub Front	Shimano CB-E110 Coaster Brake, 36H x 14G, Black	BioLogic Joule II dynamo
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	Shimano Nexus 7 freewheel
Spoke	14G Stainless Steel with Brass Nipples	Sapim Leader, stainless steel
Cassette	--	17T
Sprocket	19T x 1/2'' x 1/8''	--
Stand	Alloy, Center Mount, Black	--
Headlamp	--	Tern Valo 2, integrated, 41 lux/150 lumens
Taillamp	--	Deluxe LED

Front	Beach Bum 26 x 2.125", Black Wall	Schwalbe Big Apple, 50-406, puncture protection, Reflex
Rear	Beach Bum 26 x 2.125", Black Wall	Schwalbe Big Apple, 50-406, puncture protection, Reflex
Wheel / RIM	Rims: 26" x 36H x 14G, Red	Size : 20" wheels Rims : Doublewall aluminum

Front	Alloy (Linear Pull) Black	V, aluminum, linear spring
Rear	Shimano CB-E110 Internal Coaster Brake, Black	V, aluminum, linear spring
Brake Lever	Alloy (Linear Pull) Black / Silver	V, aluminum bracket/lever

Front	--	--
Rear	--	--

Colors

Metallic Red

--

Length	--	--
Weight	27.2 kg	14.4 kg

Features	--	--
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 FOLDING SIZE : 38 x 79 x 72 cm (15" x 31.1" x 28.3") FOLDING TIME : 10 sec FRAME SIZES : One size GEAR INCHES : 33" - 80" (2.62 - 6.41 m) DISTANCE: SEATPOST TO HANDLEBAR : Min. 620 mm (24.4") Max: 690 mm (27.2") DISTANCE: SADDLE TO PEDAL : Min: 700 mm (27.6") Max: 960 mm (37.8") SUGGESTED RIDER HEIGHT : 142 - 190 cm (4'8" - 6'3") MAX LOAD WEIGHT : 105 kg (230 lb) HANDLEPOST : Tern Physis 3D (G2), 3D forged, 5 patented technologies BRAKE CABLE & HOUSING : Anti-compression housing, slick cables
Accessories	--	FENDERS : RP Chromeplastic, stainless hardware RACK(S) : Included: Tern Loader Rack BELL : Aluminum CHAINGUARD : BioLogic FreeDrive KICKSTAND : Deluxe center mount CLIP SYSTEM : Magnetix 2.0