Brompton A Line vs Felt Breed 20

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 Gravel Race Disc Superlite custom butted aluminum, hydroform smooth welded construction, T47 86 bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical cable routing
Stem	--	Devox, -7¡ rise, ¯31.8 mm, 47 cm: 80 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm
Handle Bar	Mid handlebar	Devox Gravel SL, 70 mm reach, 126 mm drop, 16¡ flare, ¯31.8 mm, 47 cm: 400 mm, 51 cm: 420 mm, 54 cm: 440 mm, 56 - 61 cm: 460 mm
Fork	Steel Brazed Fork	Felt Adventure Gravel UHC Advanced carbon fiber full monocoque construction, Control Taper 1.125" - 1.5" carbon steerer tube, flat mount disc standard, 12 x 100 mm thru axle with fender mounts
Seatpost	Extended, Silver (35")	Devox UHC Performance carbon fiber, ¯27.2 mm x 47 - 51 cm: ¯27.2 mm x 300 mm length, 54 - 61 cm: ¯27.2 mm x 350 mm length
Grip	Push-on Rubber Grips	--
Crankset	--	Praxis Works Zayante Carbon-S 1x DM M30, 40T, 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 Dimension NDR T4.0
Headset	Brompton Headset	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap and aluminum bolt, No.42, 1.125 - 1.5"
Derailleur Rear	Brompton Chain Pusher	SRAM Force CX1, 11-speed long cage
Hub Front	--	Devox GR3 Disc, sealed cartridge bearing, 11-speed, 12 x 142 mm thru axle, 6-bolt, 24H
Hub Rear	--	Devox GR3 Disc, sealed cartridge bearing, 12 x 100 mm thru axle, 6-bolt, 24H
Spoke	--	2.0 mm stainless steel
Cassette	--	SRAM 11-speed, 11-42T
Sprocket	13 Tooth	--
Bottom Bracket	Square taper bottom bracket	--

Front	Schwalbe Marathon Racer	Vittoria Terreno Dry, TNT Grey, tubeless ready, 650b x 47c
Rear	Schwalbe Marathon Racer	Vittoria Terreno Dry, TNT Grey, tubeless ready, 650b x 47c
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	Devox GR2.1 SL, 650b Disc, tubeless compatible 21 mm inner width
Tube	Schrader Valve	--

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

Front	--	--
Rear	--	--

Colors

White

White Chaff Charcoal

Length	--	--
Weight	11.5 kg	9.14 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	- Dual-wheel compatibility (650b and 700c) - Massive tire clearance for all road and trail surface types - Sleek storage solutions, and rack- and fender-ready
Additional Details	Folded Size: 25.3' H' x 23'' W x 10.6'' D Hinge Clamps: Composite hinge clamp levers	Bar Tape : Felt Velvet Gel tape with 3M reflective base with reflective Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : Praxis Works M30 T47 86.5 Seatpost Clamp : Felt single bolt with integrated rack mounts, 31.8 mm diameter Thru Axles : Front: 12 x 100 x 125, thread: M12 x 1.5P x 17L, Maxle; Rear: 12 x 142 x 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace
Accessories	--	Removable rack/fender eye-bolts Removable chainstay fender mount Removable seat stay fender bridge