Weight
From 11.35 kg Speed
6-speedMaterial
SteelFolded Size
25.3' H' x 23'' W x 10.6'' DMain Frame
Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed jointsRear Frame
Hand brazed cold-formed micro-alloy steel tubingFork
Steel brazed forkGrips
Lock-on grips with soft-compound rubber adhered to an engineered coreSeatclamp
Composite seat clamp and rear frame clipHinge Clamps
Composite hinge clamp leversDrivetrain
Brompton Wide-range 6-speed drivetrain (2 x 3-speed), 300% rangeChainset
6061 forged aluminium crank with 50T chainring and integrated chainguardBottom Bracket
Square taper bottom bracketHeadset
Brompton headsetShifters
Brompton 2 and 3-speed Trigger shiftersSprockets
Brompton sprockets - 13 and 16 Tooth​Derailleur
Brompton Chain pusherRear Wheel
Double wall rim, 28 spoke, Brompton Wide ratio 3-speed internal gear hubFront Wheel
Double-wall rim, 28 spokes laced to a Brompton front hubTires
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewallTubes
Schrader valveMudguards
IncludedLighting
ReflectorsRack
Not includedBrakes
Brompton Dual Pivot CalipersDisclaimer
* Specifications are subject to change without notice, please note that the images shown on this page are for illustrative purposes only and may not reflect the actual bike specifications or appearance.Warranty
All Grade 4 bikes are supplied with a 2-year warranty covering both the frame and parts from the date of purchase. For further information regarding warranty coverage and terms, please contact our customer service team.