Jamis Citizen 3 vs Sun Biscayne Tandem CB

Frame	6061 aluminum triple gauge main tubes with hydro-formed top tube, sloping design for men’s, step through design for ladies, internal cable routing, center-mount kickstand plate, replaceable derailleur hanger and fender/rack eyelets	High Tensile Steel, TIG-Welded
Stem	Jamis alloy angle-adjustable, 90mm with 150mm quill (14–17”), 110mm with 180mm quill (18–23”)	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar	Comfort hi-rise, alloy 25.4 x 80mm rise x 15˚ sweep x 640mm	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork	SR/Suntour NEX HLO suspension, coil spring with preload adjuster and hydraulic lockout, 63mm travel	--
Seatpost	Suspension alloy micro-adjust, 27.2 x 350mm with alloy clamp and QR seatpin. 300mm for Men’s 15, 17, Step-Thru 14	--
Grip	Anatomic triple density kraton	Foam, Black
Crankset	SR Suntour XCC-T208, 48/38/28T, 170mm with chainguard	--
Pedals	Comfort platform style with TPE non-slip insert	Slip Resistant Top, 9/16", Black
Chain	KMC Z8.3	K.M.C. 1/2" x 1/8", Black (130 Links)
Shifters	Shimano Altus Rapid Fire SL-M310, 24-speed	--
Saddle	Jamis Comfort with Memory Foam, synthetic suede cover, burnished sides and bumper springs with satin steel rails, gender specific	Comfort Cruiser, Elastomer Suspension, Black
Headset	Water-resistant sealed mechanism, threaded, 1 1/8”	Steel, 25.4 x 34 x 30mm, Black
Derailleur Rear	Shimano Acera RD-M360 rear and Shimano FD-TY710 front, 31.8mm, top swing/dual pull front.	--
Hub Front	--	Shimano CB-E110 Coaster Brake, 36H x 14G, Black
Hub Rear	--	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black
Spoke	--	14G Stainless Steel with Brass Nipples
Cassette	Shimano HG31, 8-speed, 11-32T	--
Sprocket	--	19T x 1/2'' x 1/8''
Bottom Bracket	Sealed cartridge, 68 x 122.5mm	--
Stand	Kickstand	Alloy, Center Mount, Black

Front	CST Platinum Performance with silver safety stripe, 700 x 38c	Beach Bum 26 x 2.125", Black Wall
Rear	CST Platinum Performance with silver safety stripe, 700 x 38c	Beach Bum 26 x 2.125", Black Wall
Wheel / RIM	Alex ID-19 double wall alloy rims, 32H, Formula alloy hubs with QR and 14g ED black spokes	Rims: 26" x 36H x 14G, Red

Front	Tektro MD-M280 mechanical disc w/ Tektro CL530 ergonomic designed alloy levers with kraton insert	Alloy (Linear Pull) Black
Rear	Tektro MD-M280 mechanical disc w/ Tektro CL530 ergonomic designed alloy levers with kraton insert	Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever	--	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

--

Metallic Red

Length	--	--
Weight	15.5 kg	27.2 kg

Features	--	--
Additional Details	Sizes : 15”, 17”, 19”, 21”, 23”	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