Sun Biscayne Tandem CB vs Trek Fuel EX 8 GX

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	High Tensile Steel, TIG-Welded	Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel
Stem	Alloy, 25.4 x 180mm Quill x 80mm Ext. x 25.4 Clamp, Black	Size : XS, S Bontrager Line, 35 mm, Knock Block, 0 degree, 40 mm length Size : M, ML, L, XL, XXL - Bontrager Line, 35 mm, Knock Block, 0 degree, 50 mm length
Handle Bar	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black	Size : XS, S - Bontrager Line, alloy, 35 mm, 27.5 mm rise, 750 mm width Size : M, ML, L, XL, XXL - Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Fork	--	Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel
Seatpost	--	Size : XS, S - Bontrager Line Dropper, 100 mm travel, internal routing, 31.6 mm, 345 mm length Size : M, ML, L, XL, XXL - Bontrager Line Dropper, 150 mm travel, internal routing, 31.6 mm, 440 mm length
Grip	Foam, Black	Bontrager XR Trail Elite, nylon lock-on
Crankset	--	Size : XS, S - SRAM X1 Eagle, DUB, 30T steel ring, Boost (52 mm chainline), 170 mm length Size : M, ML, L, XL, XXL - SRAM X1 Eagle, DUB, 30T steel ring, Boost (52 mm chainline), 175 mm length
Pedals	Slip Resistant Top, 9/16", Black	--
Chain	K.M.C. 1/2" x 1/8", Black (130 Links)	SRAM GX Eagle, 12 speed
Shifters	--	SRAM GX Eagle, 12 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Arvada, hollow chromoly 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	--	SRAM GX Eagle
Hub Front	Shimano CB-E110 Coaster Brake, 36H x 14G, Black	Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, SRAM XD driver, Boost148, 12 mm thru axle
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 Eagle XG-1275, 10-52, 12 speed
Chainrings	--	34T
Sprocket	19T x 1/2'' x 1/8''	--
Bottom Bracket	--	SRAM DUB, 92 mm, PressFit
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.40''
Rear	Beach Bum 26 x 2.125", Black Wall	Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29 x 2.60''
Wheel / RIM	Rims: 26" x 36H x 14G, Red	Front : Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle Rear : Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Rapid Drive 54, SRAM XD driver, Boost148, 12 mm thru axle

Front	Alloy (Linear Pull) Black	SRAM G2 R 4-piston hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Rear	Shimano CB-E110 Internal Coaster Brake, Black	SRAM G2 R 4-piston hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 200 mm
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

Metallic Red

Dark Aquatic/Trek Black Rage Red to Dnister Black Fade

Length	--	--
Weight	27.2 kg	13.78 kg

Features	--	- Straight Shot with Knock Block - Active Braking Pivot - Control Freak Cable Management - Tubeless Ready - 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 EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210 mm x 55 mm Max compatible fork travel : 150 mm (561 mm axle-to-crown)