Sun Biscayne Tandem 7 vs Trek Supercaliber 9.9 XTR

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	OCLV Mountain Carbon main frame & stays, IsoStrut, tapered head tube, Knock Block, Control Freak internal routing, Boost148, 60 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 - Bontrager Kovee Pro, 35 mm, Knock Block, Blendr compatible, 13 degree, 60 mm length Size : M, M/L - Bontrager Kovee Pro, 35 mm, Knock Block, Blendr compatible, 13 degree, 70 mm length Size : L, XL - Bontrager Kovee Pro, 35 mm, Knock Block, Blendr compatible, 13 degree, 80 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 Kovee XXX, OCLV Carbon, 35 mm, 0 mm rise, 720 mm width
Fork	1-1/8" High Tensile Steel, Curved Legs, Double Eyelets	RockShox SID SL Ultimate, DebonAir spring, Charger Race Day, damper, 44 mm offset, Boost110, 15 mm Maxle Stealth, 100 mm travel
Seatpost	Alloy w/o Clamp, 25.6 x 350mm, Black	Size : S - Bontrager XXX, OCLV Carbon, 31.6 mm, 0 mm offset, 330 mm length Size : M, M/L, L, XL - Bontrager XXX, OCLV Carbon, 31.6 mm, 0 mm offset, 400 mm length
Grip	Foam, Black	ESI Chunky
Crankset	--	Size : S - Shimano XTR M9120, 34T alloy ring, Boost (52 mm chainline), 170 mm length Size : M, M/L, L, XL - Shimano XTR M9120, 34T alloy 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)	Shimano XTR M9100, 12 speed
Shifters	Shimano 7-Speed Revo Twist Shifter	Shimano XTR M9100, 12 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Montrose Pro, 7 x 10 mm carbon rails, 138 mm width
Headset	Steel, 25.4 x 34 x 30mm, Black	Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Rear	Shimano RD-TX35 Tourney	Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
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	--
Spoke	14G Stainless Steel with Brass Nipples	--
Cassette	--	Shimano XTR M9100, 10-51, 12 speed
Chainrings	--	36T
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Bolt Type, 119mm	Shimano MT500, 92mm, PressFit
Stand	Alloy, Center Mount, Black	--

Front	Beach Bum 26 x 2.125", Black Wall	Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.20''
Rear	Beach Bum 26 x 2.125", Black Wall	Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.20''
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 XXX, OCLV Mountain Carbon, Tubeless Ready, centerlock, Boost110, 15 mm thru axle Rear : Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, DT Swiss 54T engagement, centerlock, Shimano MicroSpline driver, Boost148, 12 mm thru axle

Front	Alloy (Linear Pull) Black	Shimano XTR M9100 hydraulic disc Brake Rotor : Shimano MT900, 160 mm, centerlock
Rear	Alloy (Linear Pull) Black	Shimano XTR M9100 hydraulic disc Brake Rotor : Shimano MT900, 160 mm, centerlock
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

--

Gloss Radioactive Red/Matte Black Matte Raw Carbon/Gloss Trek Black Carbon Blue Smoke/Radioactive Coral

Length	--	--
Weight	27.2 kg	9.39 kg

Features	--	- IsoStrut - OCLV Mountain Carbon - Knock Block - Water Bottle Capacity - Complete Tubeless System - Carbon Care Wheel Loyalty Program - Suspension Calculator
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 : Trek IsoStrut, Fox Factory shock, air spring, DPS 2-position remote damper, Kashima Coat, 235 x 32.5 mm Suspension lever : Fox 2-position Max compatible fork travel : 120 mm (531 mm axle-to-crown)