Jamis Portal C3 vs Sun Biscayne Tandem CB

Compare Specifications of Jamis Portal C3 and Sun Biscayne Tandem CB

Selected Bikes

Jamis Portal C3
Jamis Portal C3

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Sun Biscayne Tandem CB
Sun Biscayne Tandem CB

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Model:

Brand:

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Technical Specifications
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 hardware, replaceable derailleur hanger High Tensile Steel, TIG-Welded
Stem Race Face Aeffect R, 50mm extension, 35mm clamp diameter Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black
Handle Bar Race Face Aeffect R, 780mm x 20mm rise, 35mm diameter Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black
Fork Fox Rhythm 34 Float 29" w/ sweep adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel --
Seatpost Race Face Aeffect R Dropper, 1x remote --
Grip Jamis Lock-On Foam, Black
Crankset Race Face Aeffect, 32T --
Pedals -- Slip Resistant Top, 9/16", Black
Chain KMC X12, 12-speed K.M.C. 1/2" x 1/8", Black (130 Links)
Shifters Shift levers : Shimano SLX, 1x12-speed --
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 SLX, 12-speed --
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 M7100, 12-speed, 10-51T --
Sprocket -- 19T x 1/2'' x 1/8''
Bottom Bracket Race Face BSA --
Stand -- Alloy, Center Mount, Black
Tyres
Front Vittoria Martello 29 x 2.35", TNT tubeless Beach Bum 26 x 2.125", Black Wall
Rear Vittoria Martello 29 x 2.35", TNT tubeless Beach Bum 26 x 2.125", Black Wall
Wheel / RIM DT Swiss M1900 SPLINE 25 29" tubeless wheels, DT 370 hubs, DT Champion spokes Rims: 26" x 36H x 14G, Red
Brakes
Front Shimano SLX M7100 Ice-Tech hydraulic disc, RT-70 180mm front & 160mm rear centerlock rotors Alloy (Linear Pull) Black
Rear Shimano SLX M7100 Ice-Tech hydraulic disc, RT-70 180mm front & 160mm rear centerlock rotors Shimano CB-E110 Internal Coaster Brake, Black
Brake Lever -- Alloy (Linear Pull) Black / Silver
Suspension
Front -- --
Rear -- --
Colors Available
Colors Oxblood Metallic Red


Physical Specs
Length -- --
Weight 13.4 kg 27.2 kg
Overview
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

Which one do you think is better? And why?
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