Brompton Standard Height Seatpost
The Brompton Standard Height Seatpost is the trusted original specification, designed to fit most riders comfortably while preserving the bike’s clean, compact fold. Ideal for those with an inside leg of up to 33", it offers the perfect balance of adjustability, strength, and classic Brompton style.
Expertly engineered from durable steel and finished to match the Brompton frame, this seatpost provides a secure, stable ride and smooth adjustment. Measuring 20.9" (535 mm) in length and 1.25" (31.8 mm) in diameter, it fits seamlessly into all Brompton models and maintains the brand’s timeless, functional design. For taller riders, an extended option is also available.
Simple. Solid. Reliable.
- Accommodates riders with an inside leg up to 33"
- Classic steel construction for strength and durability
- Smooth adjustment and secure saddle fit
- Fully compatible with all Brompton bikes
- Finished to match Brompton’s signature aesthetic
- Extended version available for additional height
Note: For riders over 33" inseam, Brompton’s Extended or Telescopic seatposts provide additional adjustment range.