Brompton A Line vs Trek Madone SLR 9 Gen 7

Load Carrying Capacity	--	125 kg (275 lb)
Drivetrain	Brompton 3 speed drivetrain, 177% range	--
Riding Modes	3 Speed (Utility)	--
Battery	--	Shimano BT-DN300
Charger	--	Charging cable included
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	800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, IsoFlow seat tube, invisible cable routing, 3S aero chain keeper, T47 BB, flat mount disc, 142x12 mm thru axle
Handle Bar	Mid handlebar	Size: 47 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 35 cm control width, 38 cm drop width, 80 mm stem length Size: 50, 52 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 37 cm control width, 40 cm drop width, 90 mm stem length Size: 54 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 39 cm control width, 42 cm drop width, 90 mm stem length Size: 56, 58 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach,
Fork	Steel Brazed Fork	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seatpost	Extended, Silver (35")	Size: 47, 50, 52, 54 Madone aero carbon seat post, 0 mm offset, short length Size: 56, 58, 60, 62 Madone aero carbon seat post, 0 mm offset, long length
Grip	Push-on Rubber Grips	Bontrager Supertack Perf tape
Crankset	--	Size: 47 Shimano Dura-Ace R9200, 52/36, 165 mm length Size: 50, 52 Shimano Dura-Ace R9200, 52/36, 170 mm length Size: 54, 56, 58 Shimano Dura-Ace R9200, 52/36, 172.5 mm length Size: 60, 62 Shimano Dura-Ace R9200, 52/36, 175 mm length
Pedals	Non-folding Composite Pedals	--
Chain	6061 forged aluminium crank with 44T chainring and integrated chainguard	Shimano Dura-Ace/XTR M9100, 12-speed
Shifters	Brompton 3 Speed Shifter	Shimano Dura-Ace R9270 Di2, 12 speed
Saddle	A Line saddle with black rails 147mm width Composite seat clamp and rear frame clip in matt black finish	Size: 47, 50, 52 Aeolus RSL, carbon rails, 155 mm width Size: 54, 56, 58, 60, 62 Aeolus RSL, carbon rails, 145 mm width
Headset	Brompton Headset	--
Derailleur Front	--	Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear	Brompton Chain Pusher	Shimano Dura-Ace R9250 Di2, 34T max cog
Cassette	--	Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings	--	1x: 50T, 2x: 54/40
Sprocket	13 Tooth	--
Bottom Bracket	Square taper bottom bracket	Praxis, T47 threaded, internal bearing

Front	Schwalbe Marathon Racer	Bontrager R4 320, 700x25 mm
Rear	Schwalbe Marathon Racer	Bontrager R4 320, 700x25 mm
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	F: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, 100x12 mm thru axle R: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, Shimano 11/12 freehub, 142x12 mm thru axle
Tube	Schrader Valve	--

Front	Brompton A Line calipers	Shimano Dura-Ace hydraulic disc Rotors Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62) Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)
Rear	Brompton A Line calipers	Shimano Dura-Ace hydraulic disc Rotors Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62) Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)

Front	--	--
Rear	--	--

Colors

White

Deep Smoke Azure Satin Quicksilver Axinite Flip/Trek Black Viper Red Metallic Red Smoke to Red Carbon Smoke

Length	--	--
Weight	11.5 kg	7.1 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	--