Sun Brickell Tandem 7 vs Trek Checkpoint ALR 5

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Drivetrain	K.M.C. 1/2" x 1/8", Silver (152 Links)	--
Frame	6061 Series Aluminum, TIG-Welded	300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142 x 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 : 49 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : 52, 54 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : 56, 58 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 100 mm length Size : 61 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 110 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	Size : 49 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 38cm width Size : 52 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 40cm width Size : 54, 56 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 42cm width Size : 58, 61 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 44cm width
Fork	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets	Checkpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	Alloy W/Integrated Clamp, 28.6 x 350mm, Black	Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
Grip	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey	Bontrager tape
Crankset	--	Size : 49 - Shimano GRX RX600, 46/30, 165 mm length Size : 52 - Shimano GRX RX600, 46/30, 170 mm length Size : 54, 56 - Shimano GRX RX600, 46/30, 172.5 mm length Size : 58, 61 - Shimano GRX RX600, 46/30, 175 mm length
Pedals	Slip Resistant Top, 9/16", Black	Not included
Chain	K.M.C. 1/2" x 3/32", Silver (130 Links)	Shimano 105 HG601, 11 speed
Shifters	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter	Shimano GRX RX600, 11 speed
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Bontrager Montrose Comp, steel rails, 138 mm width
Headset	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black	FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front	--	Shimano GRX RX810, braze-on
Derailleur Rear	Shimano RD-TX35 Tourney	Shimano GRX RX810, long cage, 34T max cog
Hub Front	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black	Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle
Spoke	12G Stainless Steel with Brass Nipples	14g stainless steel
Cassette	--	Shimano 105 HG700-11, 11-34, 11 speed
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm	Shimano RS500, 86 mm, PressFit
Stand	Alloy, Center Mount, Black	--

Front	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c
Rear	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c
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)	Bontrager Tubeless Ready, 28-hole, 17 mm width, presta valve

Front	Alloy (Linear Pull) Black	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Rear	Alloy (Linear Pull) Black	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

--

Solid Charcoal Teal Purple Abyss Trek Black

Length	--	--
Weight	22.6 kg	10.17 kg

Features	--	- Horizontal Sliding Dropout - 300 Series Alpha Aluminium - Gravel Specific Tires
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	--