Sun Biscayne Tandem 7 vs Trek Top Fuel 8 NX

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Drivetrain	K.M.C. 1/2" x 1/8", Black (152 Links)	--
Frame	High Tensile Steel, TIG-Welded	Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 115 mm travel
Stem	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black Stoker Stem:Alloy, Adjustable Reach (4-Bolt Face) Black	Size : S, M, M/L - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 60 mm length Size : L, XL, XXL - Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 70 mm length
Handle Bar	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	Bontrager Comp, alloy, 31.8 mm, 15 mm rise, 750 mm width
Fork	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets	RockShox Recon Gold RL, Solo Air spring, Motion Control damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel
Seatpost	Alloy w/o Clamp, 25.6 x 350mm, Black	Size : S - Bontrager Line Dropper, 100 mm travel, internal routing, 31.6 mm, 345 mm length Size : M, M/L, L, XL, XXL - Bontrager Line Dropper, 150 mm travel, internal routing, 31.6 mm, 440 mm length
Grip	Foam, Black	Bontrager XR Trail Comp, nylon lock-on
Crankset	--	Size : S - SRAM NX Eagle, DUB, 32T steel ring, Boost (52 mm chainline), 170 mm length Size : M, M/L, L, XL, XXL - SRAM NX Eagle, DUB, 32T steel ring, Boost (52 mm chainline), 175 mm length
Pedals	Slip Resistant Top, 9/16", Black	--
Chain	K.M.C. 1/2" x 3/32", Black (130 Links)	SRAM NX Eagle, 12 speed
Shifters	Shimano 7-Speed Revo Twist Shifter	SRAM NX Eagle, 12 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Arvada, steel rails, 138 mm width
Headset	Steel, 25.4 x 34 x 30mm, Black	Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Rear	Shimano RD-TX35 Tourney	SRAM NX Eagle
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	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Spoke	14G Stainless Steel with Brass Nipples	--
Cassette	--	SRAM PG-1230 Eagle, 11-50, 12 speed
Chainrings	--	36T
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm	SRAM DUB, 92 mm, PressFit
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29 x 2.40''
Rear	Beach Bum 26 x 2.125", Black Wall	Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29 x 2.40''
Wheel / RIM	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 : Bontrager Kovee Comp 23, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle Rear : Bontrager Kovee Comp 23, Tubeless Ready, 6-bolt, Shimano 10 freehub, Boost148, 12 mm thru axle

Front	Alloy (Linear Pull) Black	SRAM Level T hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round-edge, 160 mm
Rear	Alloy (Linear Pull) Black	SRAM Level T hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

--

Satin Trek Black Volt/Dark Aquatic

Length	--	--
Weight	27.2 kg	13.66 kg

Features	--	- Straight Shot downtube - Knock Block - Active Braking Pivot - Control Freak Cable Management - Complete Tubeless System - Suspension Calculator - Mino Link Adjustable Geometry
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	Shock : Fox Performance Float, 2-position DPS damper, Bontrager DropLock remote, 190 x 45 mm Suspension lever : Bontrager Drop Lock remote Max compatible fork travel : 130 mm