SimWorks’ cycling bag collection, "Sim Loaders," was developed in conjunction with the release of the Doppo Locust. And now, Redwood and Carbon have been added as new colors for 2024! (The limited-edition Peacock color will be discontinued once current stock for each model runs out, so be sure to get yours early.)
Furthermore, the popular RAL × Chris King "JS Loader" has been renamed the "Konbini Bag" and is now available in four new colors.
In addition, the 2024 colorways for "Sim Hoodies" are also making their debut!
Just in time for the holiday season, our full lineup of original SimWorks goods is now available!

Sim Loader collection
“Sim Loaders are built with a focus on recycled materials, incorporating modern functional textiles to enhance their utility for adventure rides. While not necessarily designed for long-term bikepacking trips, we have successfully created the ideal bag for riders who seek the cargo capacity to carry gear for weekend adventures on remote paths, finding themselves in hard-to-reach, rugged environments. They are versatile, durable, and stylish, while providing all the essential elements to make your adventures safer and more enjoyable.”

Voyageur Handlebar Bag
The new mid-capacity, modern handlebar-mounted carrier bag in the Sim Loader series, designed for cyclists embarking on long adventures or light overnight trips.

Chrysalis Saddle Bag
The Chrysalis Saddle Bag is positioned between the compact saddle bag proposed by the Sim Loader series' "Off-Route" line and the large-capacity saddle bags manufactured by other brands.

Cohiba Roll-Ups
The highly durable, stuff-sack-style Cohiba Roll-Ups from the Sim Loader series can be utilized by cycle tourists for a variety of purposes, both on and off the bike.

En-Route Saddle Bag
No matter your style, the En-Route Saddle Bag is a simple and practical roll-top saddle bag for carrying the things you need during your ride.

Extra Rice & Beans (ERB) Bag
The Extra Rice & Beans (ERB) Bag is a compact roll-top bag that attaches smartly to the popular SimWorks Burrito Rack.
Konbini Bag

The "Konbini Bag" is a revival of the limited-edition JS Loader model that was previously sold under the RAL brand.
Like the Sim Loader series, it uses ECOPAK fabric on the exterior and nylon on the interior. It offers excellent durability and weather resistance to protect your gear from all types of weather. Compared to the Voyageur Handlebar Bag mentioned above, this bag is more compact and lightweight, making it an ideal choice for long-distance day rides rather than full adventures, or simply for daily use. It allows you to easily and compactly carry the items you need.

Attachment is simple. It secures firmly to your bike's handlebars and head tube using two 6-inch Voile Nano Straps for handlebar attachment, along with a cord-lock strap that passes through the daisy chain sewn onto the back of the bag. Using the daisy chain system on the back, the bag can also be mounted to a saddle, or various sizes of head tubes and seatposts.

This bag features a bungee-cord-style opening that allows for easy access even while riding. The iconic hook used to catch the bungee cord is a custom-made head cap with a heart engraving, produced exclusively by NITTO × SimWorks.







Crafted by our good friend, Cody of JACK SUPPLY
Our collaborator for this project, Cody Forsythe of JACK SUPPLY CO in Portland, Oregon—who is also a friend of Steven at SimWorks USA—has worked with us on several projects in the past. This includes the Sim Loader Collection, as well as the "gas tank" frame bag for our Doppo High Plains Drifter frameset, which we entrusted to him to sew.
The bike bag collection he creates features well-thought-out designs, and his delicate touch—completing every small component of the bags by hand—makes him an incredibly reliable partner who fully utilizes our ideas and his own experience to share, shape, and bring them to life.

The Perfect Size and Function
The development goal of the original JS Loader, which serves as the foundation for this bag, was to create a practical and compact handlebar bag with enough capacity for long day rides. It has a 3.5-liter capacity, and the interior features a plastic HDPE board insert, which helps the bag maintain its shape even when storing lightweight clothing, compact tools, daily essentials, food, small cameras, lights, or other necessities. Thanks to the foam liner, your belongings are well protected even when riding off-road.

Additionally, the front of the bag has a thin pocket accessible via Velcro. Since it is hidden by the flap, you can store your cell phone, a small amount of cash for the day, a handkerchief, or tissues. The sides of the bag are equipped with plastic D-rings, allowing you to detach the bag when you get off the bike and attach a shoulder strap to convert it into a small carry-around bag. This is convenient for train travel or bringing the bag into your accommodation.

SimWorks Konbini Bag
Size: 24x15x10 cm
Capacity: 3.5L
Outer Fabric: ECOPAK – EPLX400 (waterproof, recycled nylon made from PET bottles)
Liner Fabric: ECOPAK – RBC200 (water-resistant, recycled nylon made from PET bottles)
Plastic Insert Material: 1/8″ HDPE
Webbing: Nylon
Included: 6-inch Voile Nano Strap x 2, Cord Lock Strap x 1
Price: ¥19,250 (incl. tax)
New Colors: Sim Hoodies

These Sim Hoodies feature patches specially made for the Sim Loader Collection described above. We had long received requests from our friends, especially those at SimWorks USA, to produce casual, original hoodies. The Dusty Sage and Charcoal Heather colors released last year sold out at SimWorks Japan, and now, we are excited to introduce new colorways for 2024!
New Colors: Carbon & Espresso


Featuring warm colors and a simple design, these hoodies are crafted from thick 10-ounce fabric. They provide high heat retention, making them perfect for the coming cold season, chilly mornings and evenings, or warming up after a workout. Due to their substantial weight, they can even be worn as a casual jacket.

In addition to the thickness of the fabric, the seams are reinforced with double-stitching, making them highly abrasion-resistant and durable for long-term use, even with frequent washing and daily wear in cooler settings.
SimWorks Sim Hoodies
Material: 100% Cotton
Size: Unisex / S, M, L, XL
Colors: Espresso, Carbon / Dusty Sage, Charcoal Heather
Price: ¥9,350 (incl. tax)

SimWorks USA has opened a new showroom in a corner of their office, featuring their new sign. It displays our brand icon, the "Heart & Arrow💘." Moving forward, SimWorks will continue to take on challenges and take action with love from both the U.S. and Japan, working alongside fellow makers who recreate products with an aesthetic of craftsmanship that transcends mere functionality and connects to your lifestyle and values.