Sun Brickell Tandem 7 vs Trek Allant Plus 9.9S

Motor	--	Bosch Performance Speed, 75 Nm, 28 mph / 45 kph
Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Drivetrain	K.M.C. 1/2" x 1/8", Silver (152 Links)	--
Battery	--	Bosch PowerTube 625
Charger	--	Bosch standard 4A (100-240V) charger
Controller	--	Bosch SmartphoneHub
Display	--	Bosch SmartphoneHub
Frame	6061 Series Aluminum, TIG-Welded	OCLV Carbon, Removable Integrated Battery, Range Boost compatible, Motor Armor, internal cable routing, post-mount disc, 12 mm thru axle
Stem	Alloy W/Micro Adj. Angle, 25.4 x 180mm Quill x 90mm Ext., Black Stoker Stem: Alloy, Adjustable Reach (4-Bolt Face) Black	Size : M - Allant+ forged alloy, integrated cable routing, 75 mm length, 31.8 mm clamp Size : L - Allant+ forged alloy, integrated cable routing, 95 mm length, 31.8 mm clamp Size : XL - Allant+ forged alloy, integrated cable routing, 115 mm length, 31.8 mm clamp
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	Size : M - Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width Size : L, XL - Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width
Fork	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets	Allant Carbon fork, post mount disc, 100 x 15 mm thru axle
Seatpost	Alloy W/Integrated Clamp, 28.6 x 350mm, Black	Size : M - Bontrager Comp, 6061 alloy, 31.6 mm, 8 mm offset, 330 mm length Size : L, XL - Bontrager Comp, 6061 alloy, 31.6 mm, 8 mm offset, 400 mm length
Grip	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey	Bontrager Satellite IsoZone Plus, lock-on, ergonomic
Crankset	--	Size : M - ProWheel alloy, 170 mm Size : L, XL - ProWheel alloy, 175 mm
Pedals	Slip Resistant Top, 9/16", Black	Bontrager City pedals
Chain	K.M.C. 1/2" x 3/32", Silver (130 Links)	Shimano SLX M7100, 12 speed
Shifters	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter	Shimano XT M8100, 12 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Commuter Comp
Headset	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black	--
Derailleur Rear	Shimano RD-TX35 Tourney	Shimano XT M8120, long cage, Shadow Plus design
Hub Front	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black	Shimano Deore XT, 32h, centerlock disc, 12 mm thru-axle
Hub Rear	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black	Shimano Deore XT M8110, centerlock disc, 15 mm thru-axle
Spoke	12G Stainless Steel with Brass Nipples	DT Swiss 14g, black
Cassette	--	Shimano SLX M7100, 10-45T, 12 speed
Chainrings	--	ProWheel 46T narrow/wide steel, w/alloy guard
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm	--
Stand	Alloy, Center Mount, Black	Pletscher Comp Flex 18
Headlamp	--	Trek Lync headlight, 500 lumens
Taillamp	--	Trek Lync taillight, 50 lumens

Front	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve	Bontrager E6 Hard-Case Lite, reflective, wire bead, 60tpi, 27.5 x 2.40''
Rear	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve	Bontrager E6 Hard-Case Lite, reflective, wire bead, 60tpi, 27.5 x 2.4''
Wheel / RIM	Rims: 26" x 36H x 12G, Alloy, Black Front: 26" x 1.75 x 36H x 12G Alloy-Cruiser, Bolt-On Rear: 26" x 1.75 x 36H x 12G Alloy-Cruiser (For Freewheel)	Alex MD35, tubeless compatible, 32-hole, 35 mm width, presta valve

Front	Alloy (Linear Pull) Black	Shimano MT520 4-piston hydraulic disc, post-mount, 180 mm rotor Brake Rotor : Shimano RT64, 180 mm, centerlock
Rear	Alloy (Linear Pull) Black	Shimano MT520 4-piston hydraulic disc, 180 mm rotor Brake Rotor : Shimano EM600, 180 mm, centerlock
Brake Lever	Alloy (Linear Pull) Black / Silver	Shimano MT520 4-piston hydraulic disc

Front	--	--
Rear	--	--

Colors

--

Matte Trek Black/Gloss Red

Length	--	--
Weight	22.6 kg	23.36 kg

Features	--	- Bosch Smartphone Hub Display - Bosch Powertube - Removable Integrated Battery (RIB) System - Pavement - Cable Guide
Additional Details	Captain Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", 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, Black (4-Bolt x 104mm BCD) W/Plastic Chain Cover Pulley Adjuster:Eccentric BB Insert Seat Clamp: Alloy, 34.9mm I.D., with Double Bolt, Black Stoker Seat Clamp: Alloy, 34.9mm I.D., Black Front Fender: Plastic W/Rubber Bump Guards, Silver Rear Fender: Plastic W/Rubber Bump Guards, Silver Fender Set: Plastic, F&R W/Rubber Bump Guards, Silver	Cargo rack : Allant integrated rear rack, aluminum