The Brompton Seatpost bung is a rubber bung which fits into the underside of the seat post, acting as a cushion to prevent clunking against the ground when it is lowered down. The bung also helps to prevents Brompton bikes fitted with Eazy Wheels rolling, when not in use.
- Weight: From 0.03 kg
- Brand: Brompton
- Compatibility: ACPT
- Diameter: 32.8cm (Match flared end)