REI Co-op Junction Seat Bag
This product is not available. Good news: we have a newer version.
Hang it and forget it. The REI Co-op Junction seat bag is light and unobtrusive, yet roomy enough to hold a mini U-lock, spare tube and bike tool—stuff you'll be very glad to have when you need it.
Shop newer version- Made with rugged, water-resistant oxford nylon with a durable water repellent (DWR) treatment that repels light rain and tire spray
- Large zippered main opening with 2 internal pockets
- Compression straps keep the load tight on bouncy trails
- Reflective loop for attaching blinky light (light not included)
- Reflective logo for added visibility in low-light situations
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
Imported.
View all REI Co-op Saddle PacksBest Use | Bike Commuting |
---|---|
Gear Capacity (L) | 4 liters |
Gear Capacity (cu. in.) | 244 cubic inches |
Material(s) | Ballistic nylon |
Dimensions | 5 x 10 x 5 inches |
Weight | 6.5 ounces |
Sustainability | From a Climate Label Certified brand |
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.

