Jamis Ventura A1 vs Sun Biscayne Tandem 7

Drivetrain	--	K.M.C. 1/2" x 1/8", Black (152 Links)
Frame	Size Specific Design double-butted 6061 aluminum compact sloping top tube frame design with with redesigned rear triangle, SST tubing diameters and internal cable guides, 1 1.5 - 1 1/8” tapered head tube, butted seat tube for 27.2 seat post, flat mount disc brake mount, replaceable derailleur hanger and fender/rack eyelets	High Tensile Steel, TIG-Welded
Stem	Ritchey 4-Axis, 3D forged 6061 alloy, 6˚ x 90mm (48/51), 100mm (54/56), 120mm (58/61)	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	Ritchey Logic, 6061 aluminum, 31.8 x 400mm (48/51) 420mm (54/56), 440mm (58/61)	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	Jamis Performance ECO carbon composite with carbon steerer, 1.5” hollow formed crown, monocoque one-piece forming technology, carbon dropouts with stainless tabs, flat mount disc brake mount with internal cable routing, exposed fender eyelets	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	Ritchey Road, 27.2 x 350mm with alloy clamp	Alloy w/o Clamp, 25.6 x 350mm, Black
Grip	--	Foam, Black
Crankset	FSA Vero, 50/34T, 170mm (48/51), 172.5mm (54/56), 175mm (58/61)	--
Pedals	Touring platform style, full alloy with toe clips	Slip Resistant Top, 9/16", Black
Chain	KMC Z9	K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters	Shiftlevers : Shimano Sora ST-R3000 Dual Control STI, 18-speed	Shimano 7-Speed Revo Twist Shifter
Saddle	Selle Royal Asphalt with integrated clip system	Comfort Cruiser, Elastomer Suspension, Black
Headset	FSA Integrated, threadless, 1.5 - 1 1/8”	Steel, 25.4 x 34 x 30mm, Black
Derailleur Front	Sora FD-R3000 with 31.8mm alloy clamp	--
Derailleur Rear	Shimano Sora RD-R3000	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 HG201 9-speed, 11-32T	--
Bottom Bracket	FSA sealed cartridge, 68 x 110.5mm	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm
Stand	--	Alloy, Center Mount, Black

Front	Vittoria Zaffiro, 700 x 28c	Beach Bum 26 x 2.125", Black Wall
Rear	Vittoria Zaffiro, 700 x 28c	Beach Bum 26 x 2.125", Black Wall
Wheel / RIM	Alex ATD 470 disc specific rims with TCS (Tubeless Compatible System), 32H, Joytec 6-bolt alloy hubs with QR and 14g stainless steel spokes	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 Lyra mechanical disc brake	Alloy (Linear Pull) Black
Rear	Tektro Lyra mechanical disc brakes	Alloy (Linear Pull) Black
Brake Lever	Shimano Sora ST-R3000 STI levers	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Ink

--

Length	--	--
Weight	--	27.2 kg

Features	--	--
Additional Details	Tape : Jamis suede tape with gel Sizes : 48, 51, 54, 56, 58, 61cm	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