Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
-- |
|
|
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 |
Tectonic T1, aluminum, BMX Race geometry, internal cable routing, integrated headset |
|
|
Stem |
-- |
Mongoose, threadless front load, 48 mm |
|
|
Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Mongoose, aluminum, 26 in width, 6.5 in rise |
|
|
Fork |
Steel brazed fork |
Hi-Ten steel |
|
|
Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Aluminum, 200 mm, 22.2 mm |
|
|
Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Mongoose Gate, 130 mm |
|
|
Crankset |
-- |
Samox 3-piece, aluminum 160 mm, 42T chainring |
|
|
Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Mongoose, nylon |
|
|
Chain |
-- |
KMC S1 |
|
|
Shifters |
Brompton 2 and 3 speed Trigger shifters |
-- |
|
|
Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Mongoose Unifier Expert, 1 piece rails |
|
|
Headset |
Brompton headset |
Threadless, 1-1/8” sealed integrated 41.8, taper compatible |
|
|
Hub Front |
-- |
Aluminum, ball bearing, 3/8 in axle, 28H |
|
|
Hub Rear |
-- |
Aluminum, ball bearing, 3/8 in axle, 28H |
|
|
Spoke |
-- |
14G, steel, chrome |
|
|
Chainrings |
44T (-12% gearing) |
-- |
|
|
Bottom Bracket |
Square taper bottom bracket |
Euro cartridge bearing, square taper, threaded 68 mm shell |
|
|
Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Arisun XLR8, 20 in x 1-3/8 in, wire bead |
|
|
Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Arisun XLR8, 20 in x 1-3/8 in, wire bead |
|
|
Wheel / RIM |
Front-wheel: Double-wall rim, 28 spokes laced to a Brompton front hub.
Rear-wheel: Double wall rim, 28 spoke, Brompton Wide ratio 3 speed internal gear hub with 2 speed external gears (13 and 16 tooth) |
Xposure Infinity, aluminum double wall, 14 mm ID, 28H |
|
|
Tube |
Schrader valve |
-- |
|
|