Sun Biscayne Tandem CB vs Trek Supercaliber 9.8 XT

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
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	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	Bontrager Kovee Pro, OCLV Carbon, 35 mm, 5 mm rise, 720 mm width
Fork	--	Fox Performance 32 Step-Cast, Float EVOL air spring, GRIP 2-position damper, remote lockout, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 100 mm travel
Seatpost	--	Size : S - Bontrager Pro, OCLV Carbon, 31.6 mm, 0 mm offset, 330 mm length Size : M, M/L, L, XL - Bontrager Pro, OCLV Carbon, 31.6 mm, 0 mm offset, 400 mm length
Grip	Foam, Black	ESI Chunky
Crankset	--	Size : S - Shimano XT M8100, 32T alloy ring, Boost (52 mm chainline), 170 mm length Size : M, M/L, L, XL - Shimano XT M8100, 32T alloy 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)	Shimano XT M8100, 12 speed
Shifters	--	Shimano XT M8100, 12 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Montrose Elite, titanium 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 XT M8100, long cage, 51T max cog
Hub Front	Shimano CB-E110 Coaster Brake, 36H x 14G, Black	--
Hub Rear	Alloy, 36H x 14G x 3/8" Bolt-On Axle, Black	--
Spoke	14G Stainless Steel with Brass Nipples	--
Cassette	--	Shimano XT M8100, 10-51, 12 speed
Chainrings	--	36T
Sprocket	19T x 1/2'' x 1/8''	--
Bottom Bracket	--	Shimano MT500, 92 mm, 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 : Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle Rear : Bontrager Kovee Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, Shimano MicoSpline, 6-bolt, Boost148, 12 mm thru axle

Front	Alloy (Linear Pull) Black	Shimano Deore XT M8100 hydraulic disc Brake Rotor : Shimano RT76, 6-bolt, 160 mm
Rear	Shimano CB-E110 Internal Coaster Brake, Black	Shimano Deore XT M8100 hydraulic disc Brake Rotor : Shimano RT76, 6-bolt, 180 mm
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

Metallic Red

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

Length	--	--
Weight	27.2 kg	10.41 kg

Features	--	- IsoStrut - OCLV Mountain Carbon - Straight Shot downtube - Knock Block - Control Freak Cable Management - 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 Performance shock, air spring, DPS 2-position remote damper, 235 x 32.5 mm Suspension lever : Fox 2-position Max compatible fork travel : 120 mm (531 mm axle-to-crown)