Polygon Strattos S2 vs Sun Biscayne Tandem 7

Drivetrain	--	K.M.C. 1/2" x 1/8", Black (152 Links)
Frame	ALX All-Round, QRx130mm	High Tensile Steel, TIG-Welded
Stem	Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree	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	Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm	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
Fork	Light Weight Carbon Fork, Straight 1-1/8"	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	Entity Sport Alloy, 27.2 x 350mm	Alloy w/o Clamp, 25.6 x 350mm, Black
Grip	--	Foam, Black
Crankset	Prowheel Ounce-421C-TT-N 50/34T	--
Pedals	Alloy Cage & Body w/ Reflector	Slip Resistant Top, 9/16", Black
Chain	KMC Z-8.3	K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters	Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever	Shimano 7-Speed Revo Twist Shifter
Saddle	Entity, Steel Dia 7mm	Comfort Cruiser, Elastomer Suspension, Black
Headset	Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm	Steel, 25.4 x 34 x 30mm, Black
Derailleur Front	Alloy QRx100mm 32H	--
Derailleur Rear	Shimano Claris RD-R2000-SS Direct Attach Alloy QRx130mm 32H	Shimano RD-TX35 Tourney
Hub Front	--	Alloy, 36H x 14G with 3/8" Bolt-On Axle, Black (For Freewheel)
Hub Rear	--	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke	--	14G Stainless Steel with Brass Nipples
Cassette	Shimano CS-HG31 11-30T	--
Bottom Bracket	Prowheel BSA Threaded FOR 2-Piece Crankset	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm
Stand	--	Alloy, Center Mount, Black

Front	Performance Tire 700C​	Beach Bum 26 x 2.125", Black Wall
Rear	Performance Tire 700C​	Beach Bum 26 x 2.125", Black Wall
Wheel / RIM	Alloy Double Wall 622-15 32H	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)

Front	TEKTRO R315 Caliper	Alloy (Linear Pull) Black
Rear	TEKTRO R315 Caliper	Alloy (Linear Pull) Black
Brake Lever	Shimano Claris ST-R2000	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Blue Light Red

--

Length	--	--
Weight	--	27.2 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