Sun Brickell Tandem 7 vs Trek Precaliber 16

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 80 pounds (36 kg)
Drivetrain	K.M.C. 1/2" x 1/8", Silver (152 Links)	--
Frame	6061 Series Aluminum, TIG-Welded	Alpha Silver Aluminum, 16'' kids' frame size
Stem	Alloy W/Micro Adj. Angle, 25.4 x 180mm Quill x 90mm Ext., Black Stoker Stem: Alloy, Adjustable Reach (4-Bolt Face) Black	Bontrager Approved alloy, 25.4 mm clamp, 15 degree rise, 50 mm
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	Kids' steel, 25.4 mm clamp, 80 mm rise, 500 mm width
Fork	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets	Steel, 16'', threadless 1'' steerer
Seatpost	Alloy W/Integrated Clamp, 28.6 x 350mm, Black	--
Grip	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey	Kids' grip, 107 mm width
Crankset	--	Alloy, 26T, chainguard, 90 mm length
Pedals	Slip Resistant Top, 9/16", Black	Kids' Satellite, 9/16 thread
Chain	K.M.C. 1/2" x 3/32", Silver (130 Links)	HV410, 1/2x1/8
Shifters	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter	--
Saddle	Comfort Cruiser, Elastomer Suspension, Black	Kids' padded, integrated seatpost, with handle
Headset	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black	1'' threadless
Derailleur Rear	Shimano RD-TX35 Tourney	--
Hub Front	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black	Coaster brake, 18T, 120 mm bolt-on
Hub Rear	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black	Steel, 100 mm bolt-on
Spoke	12G Stainless Steel with Brass Nipples	14g stainless steel
Bottom Bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm	Square taper, 68 mm, sealed cartridge
Stand	Alloy, Center Mount, Black	--

Front	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve	Bontrager XR1, wire bead, 27 tpi., 16 x 2.25''
Rear	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve	Bontrager XR1, wire bead, 27 tpi., 16 x 2.25''
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)	Alloy 16'', 28-hole, schrader valve

Front	Alloy (Linear Pull) Black	--
Rear	Alloy (Linear Pull) Black	--
Brake Lever	Alloy (Linear Pull) Black / Silver	--

Front	--	--
Rear	--	--

Colors

--

Pink Frosting Roarange Trek Black

Length	--	--
Weight	22.6 kg	8.16 kg

Features	--	--
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	Training Wheel Trek Adjustable 12"-16"