Drivetrain

Brompton 3 speed drivetrain, 177% range

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

Fork

Steel brazed fork

Weight

11.5kg

Folded size

645mm (H) x 585mm (W) x 270mm (D) (25.3'' x 23'' x 10.6'')

Saddle

A Line Saddle with integrated carrying handle

Seatpost

Brompton Extended Chromoly steel tube. Suitable for maximum inside leg 35"/89cm

Grips

Push-on rubber grips

Seatclamp

Composite seat clamp and rear frame clip in matt black finish

Pedals

Non-folding composite pedals

Hinge clamps

Composite hinge clamp levers

Front Wheel

Double wall rims, 28 spokes laced to a Brompton front hub

Rear Wheel

Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket

Tyres

349 x 35C puncture resistant Schwalbe Marathon Racer tyres

Tubes

Schrader valve

Chainset

6061 forged aluminium crank with 44T chainring and integrated chainguard

Bottom Bracket

Square taper bottom bracket

Shifters

Brompton 3 speed shifter

Brakes

Brompton A Line calipers

Headset

Brompton headset

Front carrier

Not included but available separately

Mudguards

Not included but available separately

Lighting

Front and rear reflectors

Pump

Brompton pump

Previous model name

B75