Jamis Trail XR vs Sun Brickell Tandem 7

Drivetrain	--	K.M.C. 1/2" x 1/8", Silver (152 Links)
Frame	Hi-tensile steel tubes	6061 Series Aluminum, TIG-Welded
Stem	Jamis Hi-Rise, 40˚ rise x 90mm (12-14”), 105mm (15-18”), 120mm (19-21”)	Alloy W/Micro Adj. Angle, 25.4 x 180mm Quill x 90mm Ext., Black Stoker Stem: Alloy, Adjustable Reach (4-Bolt Face) Black
Handle Bar	Jamis XC riser, 25.4 x 20mm rise x 620mm	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
Fork	Unicrown, hi-tensile steel, with over-sized radiused blades	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	Jamis alloy micro-adjust, 28.6 x 350mm (12-15”) 400mm (17-21”)	Alloy W/Integrated Clamp, 28.6 x 350mm, Black
Grip	Kraton for Grip Shift	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey
Crankset	Forged alloy crank, 42/34/24T, 170mm	--
Pedals	MTB platform, hi-impact resin	Slip Resistant Top, 9/16", Black
Chain	KMC Z51, 7-speed	K.M.C. 1/2" x 3/32", Silver (130 Links)
Shifters	Shift levers : Shimano Revoshift 35, 3x7-speed	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter
Saddle	Jamis ATB Sport, SL cover, protective front and rear guards	Comfort Cruiser, Elastomer Suspension, Black
Headset	Threaded	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black
Derailleur Front	Shimano TZ30	--
Derailleur Rear	Shimano TY300	Shimano RD-TX35 Tourney
Hub Front	--	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Hub Rear	--	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Spoke	--	12G Stainless Steel with Brass Nipples
Cassette	7-speed freewheel, 13-28T	--
Bottom Bracket	Bolt type axle	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm
Stand	--	Alloy, Center Mount, Black

Front	CST MTB, 26 x 1.95”	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Rear	CST MTB, 26 x 1.95”	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Wheel / RIM	Alloy 26 x 1.50” 36H rims, heavy-duty ATB hubs with QR, 14G nickel-plated spokes	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)

Front	Alloy linear pull type with full alloy 4-finger levers	Alloy (Linear Pull) Black
Rear	Alloy linear pull type with full alloy 4-finger levers	Alloy (Linear Pull) Black
Brake Lever	--	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Charcoal Ano Nickel

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Length	--	--
Weight	14.4 kg	22.6 kg

Features	--	--
Additional Details	Sizes : M: 13”, 15”, 17”, 19”, 21” S/O: 12”, 14”, 18”	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