Brompton - Seatpost Bung

Brompton SKU: Q100045
Brompton Press-Fit Seatpost Bung (409196265509)

Brompton - Seatpost Bung

Brompton SKU: Q100045
Regular price $14.99
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Shipping calculated at checkout.

Within 30 days of your purchase, if you find a lower advertised price for this product, we’ll match it. If we discount this product within 30 days of your purchase, either online or in-store, simply present your original receipt and we’ll match the price and refund you the difference.

To be eligible for a price match, the product must meet the following criteria:

  • Product must have the exact specifications
  • Price must be listed in CAD or USD
  • Final matched price must include all shipping, handling, and duties
  • Must be sold and shipped by an authorized dealer in Canada or the U.S. (excluding Amazon, eBay, or any other online-only retailers)
  • Must be new and not refurbished or liquidated stock
  • Must be in stock and available immediately
  • Price must not be lower due to an error, sale, or discount

To request a price match, visit our store or contact us. Please provide a written quote or a web address for the product showing the lower price.

Genuine Brompton Replacement Seatpost Bungs. The bung is the rubber plug that goes in the bottom of the seatpost and stops your seatpost bashing the floor when you fold. It also prevents the bike rolling when folded which is especially useful on R-type bikes with a rear pannier rack.   

Available in Press-Fit or Screw-Fit. The Press-Fit has been supplied as standard on all new Brompton bikes since 2018. This model is considerably lighter than the other model but as it simply pushes in, it can go missing. The Screw-Fit is more robust and heavier but is fixed in place so more secure.

  • Genuine Brompton Component
  • Replacement Rubber Seatpost bung
  • Prevents damage to the bottom of your seatpost
  • Acts as a brake when folded
  • Tool free 
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