Teased at MADE last year, the new Randi Jo Fabrications x SimWorks Muscovy Bag has a roll-top closure and a magnetic buckle, and it’s designed specifically for the Nitto Bag Supporter. Find all the details on that and the new Biggest M.U.T. here…

SimWorks teased a new handlebar bag at MADE last year, hand-sewn by Randi Jo Fabrications in Oregon, and we’ve been patiently waiting for an update. Over the weekend, they finally announced their new handlebar bag (which is already sold out!) alongside a larger version of Randi Jo’s Big M.U.T. cargo bag. Find details on both below.

Simworks Muscovy Bag

Randi Jo x SimWorks Muscovy Bag

The Randi Jo Fabrications x SimWorks Muscovy Bag is a small roll-top handlebar bag with a roughly six-liter capacity designed around the Nitto Front Bag Supporter F-019AA. The bag has sleeves on either side that allow it to slide onto the support, which is only compatible with 31.8mm bars. It has a magnetic buckle that secures an expandable roll-top closure, side pockets, and a ripstop liner fabric. There’s a strip of webbing across the backside of the bag, which makes us think it could also attach directly to a handlebar without the support.

Randi jo made 2023

The bag is made from 10 oz. waxed canvas with foam padding on the sides and bottom. Although it’s not 100 percent waterproof, the construction and materials are highly weather-resistant. It measures out to about 10″ x 6″ x 5.5″ (LxHxD, rolled down), weighs 355 grams (plus another 380 grams for the included bag support), and one 6″ Voile Nano Strap is included to secure the bag in place.

  • Simworks Muscovy Bag
  • Simworks Muscovy Bag

They’re selling the Muscovy Bag and the Nitto Front Bag Supporter together as a set priced at $255 USD, and there are three color options to choose from. However, you’ll have to sign up for their email list to be notified when they’re back in stock.

Randi Jo x SimWorks Biggest M.U.T.

The Biggest Multi Use Tote (Biggest M.U.T.) is a new larger version of Randi Jo Fabrications’ original M.U.T. bag. The bag is effectively a large roll-top stuff sack that pairs well with a wide selection of racks, supports, and even some cargo cages, including the SimWorks Burrito Rack we reviewed here.

Simworks Biggest MUT
  • Simworks Biggest MUT
  • Simworks Biggest MUT

It has two strips of webbing daisy chain to run straps through, weighs 95 grams, and is made from 10.10 oz. waxed canvas with a ripstop nylon liner. The Biggest M.U.T. also comes in three color options and costs $80 USD. Check it out at Sim.Works.

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