Niner SIR 9 vs Sun Brickell Tandem 7

Drivetrain	--	K.M.C. 1/2" x 1/8", Silver (152 Links)
Frame	HAND WELDED AIR HARDENED REYNOLDS 853 STEEL; EXTERNAL CABLE ROUTING; INTEGRATED BOTTLE, BAG, RACK AND FENDER MOUNTS; 12 X 148 THRU AXLE	6061 Series Aluminum, TIG-Welded
Stem	RACE FACE TURBINE R 40 MM, 35 MM CLAMP	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	RACE FACE NEXT R 800 MM WIDE, 35 MM RISE, 35 MM CLAMP	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	FOX 34 SC FLOAT FACTORY EVOL FIT4, 3 POSITION W/ ADJ, KASHIMA COAT, 120 MM, 110 X 15 MM, 44 MM OFFSET	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	KS LEV SI (XS/S-100 MM, M/L/XL-150 MM)	Alloy W/Integrated Clamp, 28.6 x 350mm, Black
Grip	NINER GRRRIPS L/O SOFT COMPOUND	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey
Crankset	SRAM X1 EAGLE CARBON DUB 32T CNC RING	--
Pedals	--	Slip Resistant Top, 9/16", Black
Chain	SRAM X01 EAGLE 12SP	K.M.C. 1/2" x 3/32", Silver (130 Links)
Shifters	SRAM X01 EAGLE 12SP	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter
Saddle	NINER CUSTOM TR WITH CRN-TI RAILS, PRINTED NINER GRAPHIC	Comfort Cruiser, Elastomer Suspension, Black
Headset	NINER INTERNAL ZS SHIS DESCRIPTION ZS44/28.6|ZS56/40	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black
Derailleur Front	34.9 SIDE SWING, FRONT PULL	--
Derailleur Rear	SRAM X01 EAGLE 12SP	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	SRAM EAGLE XG 1295, 10-52T	--
Chainrings	COMPATIBLE WITH STANDARD 1X, 2X AND 3X SYSTEMS	--
Bottom Bracket	SRAM DUB PF30	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm
Stand	--	Alloy, Center Mount, Black

Front	SCHWALBE NOBBY NIC EVO SUPER TRAIL TLE ADDIX SPEEDGRIP 2.6	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Rear	SCHWALBE NOBBY NIC EVO SUPER TRAIL TLE ADDIX SPEEDGRIP 2.35	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Wheel / RIM	Front : DT SWISS XMC 1501 SPLINE 30, CENTERLOCK, 110 X 15 MM Rear : DT SWISS XMC 1501 SPLINE 30, CENTERLOCK, 148X12MM, RATCHET EXP 36	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)
Tube	STANS NO TUBES SEALANT (2 X 2OZ BOTTLES)	--

Front	SRAM G2 RSC Brake Rotors : 180 CENTERLINE X ROTORS	Alloy (Linear Pull) Black
Rear	SRAM G2 RSC Brake Rotor : 160 CENTERLINE X ROTORS	Alloy (Linear Pull) Black
Brake Lever	SRAM G2 RSC	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Cement Gray Black

--

Length	--	--
Weight	--	22.6 kg

Features	- KS LEV SI dropper post - External cable routing	--
Additional Details	Frame Sizes : SM, MD, LG, XL	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