Sun Biscayne Tandem CB vs Trek Marlin 6

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	High Tensile Steel, TIG-Welded	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black	Size : XS - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 50 mm length ( Size : S - 60 mm length) Size : M - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 70 mm length Size : ML, L - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : XL, XXL - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 90 mm length
Handle Bar	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black	Size : XS - Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size : S, M, ML, L, XL, XXL - Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	--	Size : XS - SR Suntour XCT 30, coil spring, lockout, preload, 100 mm QR, 80 mm travel Size : S, M, ML, L, XL, XXL - SR Suntour XCT 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel
Seatpost	--	Size : XS, S, M - Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size : ML, L, XL, XXL - Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Grip	Foam, Black	Bontrager XR Endurance Comp, lock-on
Crankset	--	Prowheel C10Y-NW, 30T steel narrow-wide ring, 170 mm length
Pedals	Slip Resistant Top, 9/16", Black	VP-536 nylon platform
Chain	K.M.C. 1/2" x 1/8", Black (130 Links)	KMC X10, 10 speed
Shifters	--	Shimano Deore M4100, 10 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Arvada, steel rails, 138 mm width
Headset	Steel, 25.4 x 34 x 30mm, Black	Semi-integrated, 1-1/8''
Derailleur Rear	--	Shimano Deore M5120, long cage
Hub Front	Shimano CB-E110 Coaster Brake, 36H x 14G, Black	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135 x 5 mm QR
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	14G Stainless Steel with Brass Nipples	14g stainless steel
Cassette	--	Shimano Deore M4100, 11-46, 10 speed
Sprocket	19T x 1/2'' x 1/8''	--
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Size : XS, S - Bontrager XR2 Comp, wire bead, 30 tpi, 27.5 x 2.20'' Size : M, ML, L, XL, XXL - Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	Beach Bum 26 x 2.125", Black Wall	--
Wheel / RIM	Rims: 26" x 36H x 14G, Red	Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	Alloy (Linear Pull) Black	Size : XS, S - Tektro HD-M276 hydraulic disc, short reach lever Size : M, ML, L, XL, XXL - Tektro HD-M275 hydraulic disc
Rear	Shimano CB-E110 Internal Coaster Brake, Black	Size : XS, S - Tektro HD-M276 hydraulic disc, short reach lever Size : M, ML, L, XL, XXL - Tektro HD-M275 hydraulic disc
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

Metallic Red

Rage Red to Dnister Black Fade Matte Dnister Black Factory Orange Nautical Navy

Length	--	--
Weight	27.2 kg	14.11 kg

Features	--	- Suspension Lockout - Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
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	--