Felt Doctrine 3 2019 vs Sun Brickell Tandem 7

Drivetrain	--	K.M.C. 1/2" x 1/8", Silver (152 Links)
Frame	Felt XC, UHC Advanced carbon fiber, MMC with Inside Out construction, full carbon dropouts, Control Taper head tube, Kevlar chain watcher, replaceable derailleur hanger, flat mount disc mounts, BB92, 12 x 148 mm Syntace style thru axle, internal derailleur cable routing	6061 Series Aluminum, TIG-Welded
Stem	Devox, ±7° rise, Ø31.8 mm with Cr-Mo bolts, XS/SM: 60 mm, M/L: 70 mm, XL: 90 mm	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	Devox 6061 butted riser, Ø31.8 mm, 15 mm rise, 9° sweep, 720 mm wide	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	RockShox Reba RL Solo Air with Motion Control, 100 mm travel, OneLoc remote, 15 x 110 mm Boost thru axle	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	Devox butted 6061, dual bolt, 15 mm offset, Ø27.2, XS/SM: 350 mm, MD/LG/XL: 400 mm	Alloy W/Integrated Clamp, 28.6 x 350mm, Black
Grip	Devox Pauley Grip	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey
Crankset	SRAM Stylo 6K, 34T, XS/SM: 170 mm, MD/LG/XL: 175 mm	--
Pedals	--	Slip Resistant Top, 9/16", Black
Chain	SRAM GX, 12-speed	K.M.C. 1/2" x 3/32", Silver (130 Links)
Shifters	SRAM GX, 1 x 12	Rear Shifter: Shimano Tourney 7-Speed Twist Shifter
Saddle	Prologo Kappa RS, T2.0 rails	Comfort Cruiser, Elastomer Suspension, Black
Headset	FSA integrated sealed cartridge bearing, No.42ACB-A, 1.125" - 1.5"	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black
Derailleur Rear	SRAM GX Eagle 12-speed	Shimano RD-TX35 Tourney
Hub Front	XD driver, 12 x 148 mm Boost thru axle, Center Lock, 32H	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Hub Rear	15 x 110 mm Boost thru axle, Center Lock	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Spoke	2.0 mm stainless steel	12G Stainless Steel with Brass Nipples
Cassette	SRAM GX, 12-speed, 10-50T	--
Bottom Bracket	--	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle: Square Taper (JIS), Bolt Type, 68 x 110mm
Stand	--	Alloy, Center Mount, Black

Front	Maxxis Ikon, folding, EXO/TR, tubeless ready, 29 x 2.2"	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Rear	Maxxis Ikon, folding, EXO/TR, tubeless ready, 29 x 2.2"	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Wheel / RIM	Alex MD25, tubeless compatible, 24 mm inner width	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	Shimano Deore MT-500 hydraulic disc, 180 mm rotor	Alloy (Linear Pull) Black
Rear	Shimano Deore MT-500 hydraulic disc, 160 mm rotor	Alloy (Linear Pull) Black
Brake Lever	Shimano	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

Red (White, Black)

--

Length	--	--
Weight	11.02 kg	22.6 kg

Features	--	--
Additional Details	Chainguide : One Up S3, Low direct top guide Bottom Bracket : SRAM GXP BB92 Seatpost Clamp : Felt single bolt, Ø31.8 mm Thru Axles : Rear: Felt leverless 12 x 148 x 166L Syntace style, thread: M12 x 1.0	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