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Frost and Sekers Otis bag on the Brompton bike.  Leather strap details and the quick lock mount
Frost and sekers green bag with black leather details on a Brompton bike.
The Frost and Sekers otis saddle bag in green shown on the Brompton with the quick lock mount

Frost and Sekers Brompton Bundle - Otis Saddlebag

Regular price £219.00
Unit price  per 
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This Brompton Bundle includes both the Quick Lock mount and an Otis bag together.

Quick Lock Mount

Quick lock saddlebag mount.  The Quick-lock mount work with any saddle, it will keep your saddlebag secure while riding but easy to remove when your arrive. The mount is so easy to use it can be used one-handed; a short sharp pull will detach the handle and your bag from the mount. 

Otis Bag

The Otis is Frost and Sekers original bag, designed for 15" laptops with plenty of extra room (16L) to hold your essentials. Made by hand in England to withstand the trials of a daily commute or an active weekend trip - this timeless classic will be part of your everyday life forever!

It comes with an adjustable strap that can be used as a sholder strap or a cross body bag strap. Durable and functional will fast become your favourite bag on and off the bike.


This quick-lock mount is designed specifically for Brompton seat posts.

  • Weatherproof
  • 0.356kg
  • Stainless steel (Waxed cotton handle included with every bag)
  • Installed under saddle

The Otis Saddlebag

  • Cotton shoulder strap included
  • Water repellent 
  • Durable wax cotton duck canvas
  • Natural leather straps
  • Nickel-plated brass buckles
  • Weight 700 grams
  • Size 40x20x21cm
  • Capacity 16 litres
  • Made in England