BMC Roadmachine vs Sun Brickell Tandem 7

Gear Shift Pattern	Gear : 2 x 12	--
Drivetrain	--	K.M.C. 1/2" x 1/8", Silver (152 Links)
Frame	Roadmachine Premium Carbon with Tuned Complaince Concept Endurance ICS Technology, stealth cable routing TCC Endurance compliance level Internal Cable Routing PF86 bottom bracket 12 x 142 mm thru-axle	6061 Series Aluminum, TIG-Welded
Stem	BMC ICS 01 - Integrated Cockpit Design, w/ computer and camera mount	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	BMC RAB 02, ergo top shape, compact bend	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	Roadmachine 01 Premium Carbon with Tuned Complaince Concept Endurance ICS Technology TCC Endurance compliance level Internal Cable Routing 12 x100 mm thru-axle 50 mm offset (Size 47-51), 45 mm offset (Size 54-61)	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	15 mm offset, 01 Premium Carbon D-Shape Seatpost	Alloy W/Integrated Clamp, 28.6 x 350mm, Black
Grip	--	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey
Pedals	--	Slip Resistant Top, 9/16", Black
Chain	SRAM FORCE 12 speed	K.M.C. 1/2" x 3/32", Silver (130 Links)
Shifters	SRAM FORCE eTap AXS HRD	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter
Saddle	Fizik Taiga	Comfort Cruiser, Elastomer Suspension, Black
Headset	--	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black
Derailleur Front	SRAM FORCE eTap AXS	--
Derailleur Rear	SRAM FORCE eTap AXS	Shimano RD-TX35 Tourney
Hub Front	DT Swiss E 1800 SPLINE db 32	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Hub Rear	DT Swiss E 1800 SPLINE db 32	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Spoke	--	12G Stainless Steel with Brass Nipples
Cassette	SRAM FORCE XG-1270, 10-36T	--
Chainrings	Chainwheel : SRAM FORCE AXS 46/33T	--
Bottom Bracket	--	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm
Stand	--	Alloy, Center Mount, Black

Front	28 mm Vittoria Rubino	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Rear	28 mmVittoria Rubino	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Wheel / RIM	DT Swiss E 1800 SPLINE db 32	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	SRAM FORCE eTap AXS HRD, Centerline XR Rotors (160/160)	Alloy (Linear Pull) Black
Rear	SRAM FORCE eTap AXS HRD, Centerline XR Rotors (160/160)	Alloy (Linear Pull) Black
Brake Lever	--	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

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Length	--	--
Weight	8.3 kg	22.6 kg

Features	- D-Shape Seatpost - BMC flatmount adapter - Integrated Seat Clamp - Integrated Cockpit System (ICS) - Tuned Compliance Concept (TCC) Endurance	--
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