Brompton A Line vs Sun Brickell Tandem CB

Drivetrain	Brompton 3 speed drivetrain, 177% range	K.M.C. 1/2" x 1/8", Silver (152 Links)
Riding Modes	3 Speed (Utility)	--
Frame	Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints Rear Frame: Hand brazed cold-formed micro-alloy steel tubing	6061 Series Aluminum, TIG-Welded
Stem	--	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	Mid handlebar	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	Steel Brazed Fork	1-1/8'' High Tensile Steel, Curved Legs, Double Eyelets
Seatpost	Extended, Silver (35")	Alloy W/Integrated Clamp, 28.6 x 350mm, Black
Grip	Push-on Rubber Grips	Kraton Rubber-Gel, 130mm, 2-Tone Black & Grey
Pedals	Non-folding Composite Pedals	Slip Resistant Top, 9/16", Black
Chain	6061 forged aluminium crank with 44T chainring and integrated chainguard	K.M.C. 1/2" x 1/8", Silver (130 Links)
Shifters	Brompton 3 Speed Shifter	--
Saddle	A Line saddle with black rails 147mm width Composite seat clamp and rear frame clip in matt black finish	Comfort Cruiser, Elastomer Suspension, Black
Headset	Brompton Headset	Semi Integrated, Steel, 25.4 x 44 x 30mm, Black
Derailleur Rear	Brompton Chain Pusher	--
Hub Front	--	Shimano CB-E110 Coaster Brake, 36H x 12G, CP
Hub Rear	--	Alloy, 36H x 12G x 3/8" Bolt-On Axle, Black
Spoke	--	12G Stainless Steel with Brass Nipples
Sprocket	13 Tooth	19T x 1/2'' x 1/8''
Bottom Bracket	Square taper bottom bracket	BC1.37'' x 24TPI, Steel, Caged Bearings Spindle:Square Taper (JIS), Bolt Type, 68 x 110mm
Stand	--	Alloy, Center Mount, Black

Front	Schwalbe Marathon Racer	Kenda Komfort 26 x 1.95", Black Wall, 26" x 1.90-2.35'', Schrader Valve
Rear	Schwalbe Marathon Racer	Kenda Komfort 26 x 1.95", Black Wall,26" x 1.90-2.35'', Schrader Valve
Wheel / RIM	Rear Wheel: Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket Front Wheel: Double wall rims, 28 spokes laced to a Brompton front hub	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, W/Shimano Coaster Brake
Tube	Schrader Valve	--

Front	Brompton A Line calipers	Alloy (Linear Pull) Black
Rear	Brompton A Line calipers	Shimano CB-E110 Internal Coaster Brake, CP
Brake Lever	--	Alloy (Linear Pull) Black / Silver

Front	--	--
Rear	--	--

Colors

White

Storm blue

Length	--	--
Weight	11.5 kg	22.6 kg

About	The Brompton A Line is a practical bicycle designed with a focus on utility. Its technical spec Read More	--
Features	- 3 Easy to use hub gears - Folds in 20 seconds	--
Additional Details	Folded Size: 25.3' H' x 23'' W x 10.6'' D Hinge Clamps: Composite hinge clamp levers	Captain Crank Left: 3-Piece Alloy, 170mm x 42T x 1/2" x 1/8", Black (For Diamond Square Cranks) 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 1/8", 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