Brompton Seatpost Carrier Block – Mount Front Bags Behind the Saddle
Give your front bag another place to ride.
The Brompton Seatpost Carrier Block brings the familiar front bag connection behind the saddle. Mount a compatible Brompton front bag or basket on your seatpost for another way to carry it on your bike.

Bag shown for illustration; not included.
Features
- Positions a compatible front bag or basket behind the saddle.
- Quick-release clamp for attaching and removing the mount.
- Available in two carrier block options, both in black.
Choose your set
- Classic Set: nylon carrier block with seatpost mount.
- Alloy Set: aluminium alloy carrier block with seatpost mount.
Compatibility
Designed for Brompton bags and baskets with a compatible front carrier block fitting.
What’s included
One seatpost mount with your chosen carrier block. Bag, basket and bicycle are not included.
¿Por qué comprar en Bromptonic?
- ✅ Compatibilidad con Brompton comprobada
- ✅ Envío mundial gratuito — aranceles incluidos
- ✅ Garantía de dos años y devoluciones fáciles