Sun Biscayne Tandem CB vs Trek Fuel EX 7 NX

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	Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 50 mm length
Handle Bar	Steel, 28.4" Wide x 7.3" Rise x 25.4 Clamp, Black	Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Fork	--	RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 140 mm travel
Seatpost	--	Size : XS, S - TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length Size : M, ML, L, XL, XXL - TranzX JD-YSP18, 150 mm travel, internal routing, 31.6 mm, 445 mm length
Grip	Foam, Black	Bontrager XR Trail Comp, nylon lock-on
Crankset	--	Size : XS, S - SRAM NX Eagle, DUB, 30T steel ring, Boost (52 mm chainline), 170 mm length Size : M, ML, L, XL, XXL - SRAM NX 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 NX Eagle, 12 speed
Shifters	--	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	--	SRAM NX Eagle
Hub Front	Shimano CB-E110 Coaster Brake, 36H x 14G, Black	--
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	--	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 sidewall, aramid bead, 120 tpi, 29 x 2.40''
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, Rapid Drive 54, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle

Front	Alloy (Linear Pull) Black	Shimano hydraulic disc, MT4100 lever, MT410 caliper Brake Rotor : Shimano RT56, 6-bolt, 180 mm
Rear	Shimano CB-E110 Internal Coaster Brake, Black	Shimano hydraulic disc, MT4100 lever, MT410 caliper Brake Rotor : Shimano RT56, 6-bolt, 180 mm
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

Metallic Red

Trek Black/Radioactive Red Dark Aquatic/Trek Black

Length	--	--
Weight	27.2 kg	31.92 kg

Features	--	- Straight Shot with Knock Block - Active Braking Pivot - Control Freak Cable Management - Complete Tubeless System - Suspension Calculator - Mino Link Adjustable Geometry - Alpha Platinum Aluminium
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 DPS damper, tuned by Trek Suspension Lab, 210 mm x 55 mm Max compatible fork travel : 150 mm (561 mm axle-to-crown)