Why choose the 7R Seat Pack with Mini Rack?

The Standard Set of a 7R Seat Pack with Mini Rack is the core version of our modular saddle bag system for bikepacking and touring.

It gives you the main benefits of the 7R Saddle bag system at a lower price than the full set: excellent stability, quick removal, waterproof protection, and a much easier user experience in real riding conditions.

This setup works especially well for rough roads, long-distance touring, and smaller bikes where a traditional large saddle bag may feel unstable or sit too close to the rear wheel.

Full Set or Standard Set?

The Full Set adds side storage and a way to carry the sack on your back. The Standard Set offers a choice of sack sizes, with the option to add accessories later.

Standard Set includes

• Waterproof sack in 10L, 14L or 17L
• Stainless steel Mini Rack with all necessary straps and attachments
• One seatpost clamp in your chosen size: 27.2, 30.9 or 31.6 mm

You can later expand the system with optional add-ons such as detachable side pouches, a backpack strap, or another sack in a different size.

Why this system works

Modular
This is one of the biggest advantages of the system. The waterproof sack is easy to remove and just as easy to install back onto the Mini Rack. You do not need to re-thread straps through the saddle rails every time.

This is especially valuable in cold, wet, or windy weather, when your fingers are numb, tired, or simply do not want to deal with a strap-heavy setup. For bikepacking and touring, this kind of modularity is a real game changer.

Very stable
The Mini Rack supports the load and keeps the bag controlled. On rough roads the system just vibrates, but it does not sway around like many traditional large saddle bags. The result is a more predictable ride and less annoying movement behind the saddle.

A good solution for many smaller bikes
Because the Mini Rack fixes the position of the bag, it can work on bikes where a classic large seat pack may sit too low or drift toward the rear wheel. This helps reduce the risk of tyre contact and makes the system a much more realistic option for many small frames.

Waterproof
The sack is built to keep your gear dry in rain, dirty road spray, and generally bad weather.

Flexible over time
You can buy another sack separately to cover different needs on different rides. One trip may call for a compact 10L setup, while another may need 14L or 17L. You can also use another sack with the 7R Mini Rack if it suits your setup properly.

Video review

This video shows an older version of our seat pack system. Since then, we have updated the design, and a new video review of the current model is coming soon.

For now, this video still gives a good overview of the idea behind the system and how it works on the bike.

Waterproof sack details

The sack is the removable waterproof part of the system and is available in 10L, 14L, and 17L sizes.

Around the sack, we add a bungee cord net on three sides. It gives you quick external storage for extra layers, rain gear, food, camp items, or anything else you want close at hand.

On the sides of the sack, we add webbing panels for detachable pouches, so you can expand the setup later if needed.

We also add reflective details on the sack:

• a reflective 7R logo
• a second reflective symbol inspired by traditional Ukrainian embroidery

These details improve visibility on the roads and feel personal to us because the logo itself also references wheat and bread, which are an important part of Ukrainian culture.

The main sack is made from waterproof fabric, and we seal the sewn seams with UltraTNT™ PSA Tape.

With the roll-top properly closed, it keeps your belongings dry in normal bikepacking conditions: rain, mud, puddles and brief accidental dips into water. 

The sack is not designed for prolonged submersion.

Fabrics: ULTRA and ECOPAK

Both sack fabrics are waterproof laminates made by Challenge Outdoor. The waterproof sack in the Ecopak version uses EPLX400.

These weights refer to the fabric itself.

Ultra 200X is the lighter option, with a distinctive woven texture. EPLX400 combines a tough 400D outer layer with 100% recycled polyester components. Both versions use the same seam-taped roll-top construction.

More information about materials and available colours is on our Fabrics and Colors page.

Mini Rack details

The 7R Mini Rack is the structural core of the system.

It consists of:

• a stainless steel console
• a Mini Rack cover made from EPLX400 or Ultra fabric, depending on your chosen version

The rack has a spoon-shaped form that supports the sack properly and helps prevent it from sliding from side to side on rough roads.

At the bottom, there is an extra strap for flat lightweight items, such as sandals or flip-flops.

Fit, clearance and bike compatibility

This system can be a very good solution for smaller bikes, but the exact fit always depends on the complete bike and saddle setup.

For a 14L sack, a practical starting point is:

• around 10–12 cm of exposed seatpost
• around 18 cm of minimum tyre clearance

For a 17L sack, a practical starting point is:

• around 13–15 cm of exposed seatpost
• around 20 cm of minimum tyre clearance

But these numbers are only a guideline.

Actual fit depends on:

• saddle position on the rails
• seatpost angle
• frame geometry
• how far back the saddle sits

Because of that, if you have any doubts, please contact us before ordering. A side photo of your bike and a few simple measurements are usually enough for us to advise whether the setup should fit.

Installation guide

This video shows how to secure the Mini Rack cover to the saddle rails using its strap with a Fidlock magnetic buckle.

Correct attachment is essential for a secure fit. Please check this step when installing your 7Roads Seat Pack with Mini Rack.

Repairability

The sack is field-repair friendly, which is important for travel and long-term use.

Small damage on laminated fabric can often be repaired with UltraTNT™ PSA Tape. Challenge describes it as a waterproof seam and repair tape designed for the film side of fabrics, with especially good bonding to Ultra™ and EPLX™ fabrics. They recommend applying it to a clean, dry surface, pressing it firmly, and allowing about 24 hours for the best adhesion.
 

Components and hardware

For zips, buckles and other fasteners, we use components from established manufacturers:

• YKK — zips and fasteners

• ITW Nexus — buckles and fasteners

• Fidlock — magnetic closure systems

• Woojin — buckles and plastic components

Weight

Example weight for the EPLX400 version:

• Mini Rack: 287 g
• Clamp: 113 g
• 14L sack: 180 g

Important note

The 7R Seat Pack with Mini Rack is not compatible with dropper seatposts.

Custom color option

We can make the Seat Pack with Mini Rack | Standard Set in custom color combinations.

Custom price = regular price in the chosen size and fabric + 15%

This is a good option if you want to match the bag to your frame bag, handlebar bag, rack bag or the overall look of your bike.
We charge only a deposit when you choose the Custom option on our website.

Build your setup over time

The Standard Set is a great starting point if you want the key benefits of the 7R seat pack system at a lower price than the full version.

You can always expand it later with:

• detachable side pouches
• backpack strap
• another sack in a different size

That way, you can start with the core system now and adapt it later for longer rides, different weather, or bigger loads.

Shipping and warranty

Made in our workshop in Kovel, Ukraine, and shipped worldwide from Ukraine.

Shipping costs and delivery estimates depend on your destination. Any import taxes, customs duties or handling fees are paid by the recipient.

Our lifetime warranty covers manufacturing and material defects. If you have a problem, contact us with your order details and photos so we can help.

Full delivery, returns and warranty terms are on our Shipping, Returns & Warranty page.
 

Check #7rseatpack to see the posts about 7R seat pack on Instagram to find inspiration for your dream set!