Sun Biscayne Tandem CB vs Tern Link A7

Frame	High Tensile Steel, TIG-Welded	Tern Link, aluminum, FBL joint
Stem	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black	6061-Al
Handle Bar	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black	Flat bar, 6061-AL
Fork	--	Hi-tensile steel
Seatpost	--	SuperOversize, 6061-AL, micro-adjust clamp
Grip	Foam, Black	Comfort
Crankset	--	Forged 6061 aluminum, 52T
Pedals	Slip Resistant Top, 9/16", Black	Folding, alloy body
Chain	K.M.C. 1/2" x 1/8", Black (130 Links)	7 spd
Shifters	--	Shimano, 1 x 7 spd, twist
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Velo Comfort
Headset	Steel, 25.4 x 34 x 30mm, Black	Ball bearing
Derailleur Rear	--	Shimano Tourney
Hub Front	Shimano CB-E110 Coaster Brake, 36H x 14G, Black	7 spd, aluminum
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	Mini, aluminum
Spoke	14G Stainless Steel with Brass Nipples	Stainless steel
Cassette	--	Shimano 14-28T, 7 spd
Sprocket	19T x 1/2'' x 1/8''	--
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Kenda Kwest, 20 x 1.75"
Rear	Beach Bum 26 x 2.125", Black Wall	Kenda Kwest, 20 x 1.75"
Wheel / RIM	Rims: 26" x 36H x 14G, Red	Size : 20" wheels Rims : Aluminum, double wall

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

Midnight/Gray/Blue Red/White/Silver

Length	--	--
Weight	27.2 kg	12.1 kg

Features	--	- Folds small but rides like a full-size bike - 20” wheels make it easy to stop-and-go on busy streets - Wide 7-speed gearing for climbing hills and racing through the city - Fold and store indoors for the best theft protection - Adjusts to fit a wide range of riders - Eyelets for adding rear racks
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	SPEEDS : 1 x 7 FOLDING SIZE : 39.5 x 80 x 73 cm (15.6" x 31.5" x 28.7") FOLDING TIME : 10 sec FRAME SIZES : One size GEAR INCHES : 36" - 72" (2.86 - 5.72 m) DISTANCE: SEATPOST TO HANDLEBAR : 620 mm (24.4") 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 : Telescopic Handlepost BOTTOM BRACKET : Two-piece SEATPOST CLAMP : SuperOversize, 6061-AL BRAKE CABLE & HOUSING : Anti-compression housing, slick cables KICKSTAND : Deluxe center mount CLIP SYSTEM : Magnetix