Jamis Portal C4 vs Sun Biscayne Tandem 7

Drivetrain	--	K.M.C. 1/2" x 1/8", Black (152 Links)
Frame	Dyad Pro High Modulus Carbon Fiber, 130mm travel 3VO suspension, Enduro® Max sealed bearing pivots, 1.5 - 1 1/8” tapered head tube, 12x148mm thru-axle, Internal dropper post routing, Custom Jamis upper chainguide mounts, ISCG05 lower chainguide mounts, Fox Float DPS Performance Series EVOL shock w/3-position compression, 10mm shock hardware, replaceable derailleur hanger	High Tensile Steel, TIG-Welded
Stem	Race Face Ride, 50mm extension, 35mm clamp diameter	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	Race Face Ride, 760mm x 20mm rise, 35mm diameter	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	Fox 34 Rhythm Series Float 29” w/ sweep adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	KS Rage Dropper, Southpaw remote	Alloy w/o Clamp, 25.6 x 350mm, Black
Grip	Jamis Lock-On	Foam, Black
Crankset	Race Face Ride, 32T	--
Pedals	--	Slip Resistant Top, 9/16", Black
Chain	KMC X12, 12-speed	K.M.C. 1/2" x 3/32", Black (130 Links)
Shifters	Shift levers : Shimano Deore, 1x12-speed	Shimano 7-Speed Revo Twist Shifter
Saddle	WTB Volt	Comfort Cruiser, Elastomer Suspension, Black
Headset	FSA Orbit IS Integrated, 8mm cone spacer	Steel, 25.4 x 34 x 30mm, Black
Derailleur Rear	Shimano Deore, 12-speed	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 M6100, 12-speed, 10-51T	--
Bottom Bracket	Race Face BSA	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm
Stand	--	Alloy, Center Mount, Black

Front	Vittoria Mazza 29 x 2.4”, TNT tubeless	Beach Bum 26 x 2.125", Black Wall
Rear	Vittoria Mazza 29 x 2.4”, TNT tubeless	Beach Bum 26 x 2.125", Black Wall
Wheel / RIM	Stan’s No Tubes Flow D 29” rims, Shimano MT410 15x110mm front & 12x148mm rear hubs, stainless 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	Shimano MT420 4-piston hydraulic disc, 180mm RT30 rotors	Alloy (Linear Pull) Black
Rear	Shimano MT420 4-piston hydraulic disc, 180mm RT30 rotors	Alloy (Linear Pull) Black
Brake Lever	--	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Riptide

--

Length	--	--
Weight	14 kg	27.2 kg

Features	--	--
Additional Details	Sizes : S (15.5), M (17), L (19), XL (21)	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