Brompton A Line vs Felt FX Advanced Plus Force CX1

Drivetrain	Brompton 3 speed drivetrain, 177% range	--
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	Felt Cyclocross UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, BB386 bottom bracket shell, 12 x 142 mm Syntace style thru axle, shoulder friendly top tube, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical or electronic cable routing
Stem	--	Zipp Service Course SL, ±6¡ rise, ¯31.8 mm, 47 cm :80 mm, 50 - 53 cm: 90 mm, 55 cm: 100 mm, 57 cm: 110 mm, 60 cm: 120 mm
Handle Bar	Mid handlebar	Zipp SL-70 ERGO, ¯31.8 mm, 47 - 50 cm: 400 mm, 53 - 55 cm: 420 mm, 57 - 60 cm: 440 mm
Fork	Steel Brazed Fork	Felt Cyclocross UHC Ultimate + TeXtreme carbon fiber monocoque construction, Control Taper 1.125" - 1.5" carbon fiber steerer tube, integrated crown and blades. Flat mount disc standard, 12 x 100 mm thru axle
Seatpost	Extended, Silver (35")	Service Course SL Beyond Black, ¯27.2 mm x 330 mm length
Grip	Push-on Rubber Grips	--
Crankset	--	Quarq Prime Carbon, XSYNC 40T and 38T, 47 cm: 165 mm, 50 cm: 170 mm, 53 cm: 172.5 mm, 55 - 60 cm: 175 mm
Pedals	Non-folding Composite Pedals	--
Chain	6061 forged aluminium crank with 44T chainring and integrated chainguard	SRAM 11-speed
Shifters	Brompton 3 Speed Shifter	SRAM Force Cx1, 1 x 11
Saddle	A Line saddle with black rails 147mm width Composite seat clamp and rear frame clip in matt black finish	Prologo X0 TiRox
Headset	Brompton Headset	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20mm PC, 4.5 mm aluminum), Felt top cap, No.42, 1.125 - 1.5"
Derailleur Rear	Brompton Chain Pusher	SRAM Force CX1, 11-speed long cage
Hub Front	--	Devox Road RSL3, sealed cartridge bearing, 11-speed, 12 x 142 mm thru axle, Center Lock, 28H
Hub Rear	--	Devox Road RSL3, sealed cartridge bearing, 12 x 100 mm thru axle, Center Lock, 28H
Spoke	--	2.0 mm stainless steel
Cassette	--	SRAM 11-speed, 11-36T
Sprocket	13 Tooth	--
Bottom Bracket	Square taper bottom bracket	--

Front	Schwalbe Marathon Racer	Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c
Rear	Schwalbe Marathon Racer	Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c
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	Zipp/Devox 30 Course disc clincher, tubeless compatible
Tube	Schrader Valve	--

Front	Brompton A Line calipers	SRAM Force Cx1 hydraulic disc flat mount, 160 mm Centerline rotor
Rear	Brompton A Line calipers	SRAM Force Cx1 hydraulic disc flat mount, 140 mm Centerline rotor
Brake Lever	--	SRAM Force Cx1, hydraulic

Front	--	--
Rear	--	--

Colors

White

Satin Aquafresh / TeXtreme White / TeXtreme (Pattern)

Length	--	--
Weight	11.5 kg	7.89 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	- Lightweight, impeccable handling, and massive power transfer efficiency - Internal cable routing for clean aesthetics and protection against the elements
Additional Details	Folded Size: 25.3' H' x 23'' W x 10.6'' D Hinge Clamps: Composite hinge clamp levers	Bar Tape : Felt CxGel tape with Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : Token BB386 with 30 mm bearings Seatpost Clamp : Felt single bolt, ¯31.8 mm Thru Axles : Front: 12 x 100 x 123, thread: M12 x 1.5P x 16L, Maxle; Rear: 12 x 142 x 163 (163L + 7 head = 170 total), thread: M12 x 1.0P x 19L, Syntace
Accessories	--	Carbon assembly paste Chain plate protector Extra SRAM 40T chainring