Universal Fit Fits most bike carriers, including e-bikes. Comes with adapter for e-bike. Waterproof Shell Outer shell is made from waterproof material, eliminating the need for a rain cover. 18L or 25L Lumintrail pannier backpack comes in two different sizes to fit your needs. Converts to a Backpack Backpack strap easily pulls out to convert from a pannier bag to a backpack. Lumintrail 18L Single Pannier Waterproof Backpack Lumintrail 25L Single Pannier Waterproof Backpack Lumintrail 36L Double Pannier Bag Lumintrail 46L Double Pannier Waterproof Bag Lumintrail 25L Single Pannier Waterproof Bag Buying Options Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.3 out of 5 stars 317 4.0 out of 5 stars 19 4.3 out of 5 stars 317 4.3 out of 5 stars 67 3.2 out of 5 stars 3 Price — no data $49.99$49.99 $44.99$44.99 $54.99$54.99 — no data Storage Capacity 18L 25L 36L 46L 25L Waterproof ✓ ✓ no data ✓ ✓ Shoulder Strap ✓ ✓ no data no data ✓ High Visibility Reflectors ✓ ✓ ✓ ✓ ✓ Carry Handle ✓ ✓ ✓ ✓ ✓ Closing Mechanism Buckle Buckle Buckle Buckle & Velcro Buckle Pair with our Lumintrail Racks for an Enhanced Experience Explore our carrier racks designed to fit your needs from standard duty to heavy duty racks with 55 lb weight capacity. Pair with our Lumintrail Racks for an Enhanced Experience Explore our carrier racks designed to fit your needs from standard duty to heavy duty racks with 55 lb weight capacity. Heavy Duty Rack w/ Spring Arm Heavy Duty Rack w/ Bungee Cord Cargo Rack w/ Bungee Cord Buying Options Add to Cart Buying Options Customer Reviews 4.2 out of 5 stars 875 4.2 out of 5 stars 875 4.0 out of 5 stars 87 Price — no data $25.99$25.99 — no data Weight Capacity 55 lbs 55 lbs 20 lbs Mounting Seat Post & Frame Seat Post & Frame Seat Post Fitment Universal Universal Universal Bag Compatibility Trunk & Pannier Bags Trunk & Pannier Bags Trunk & Pannier Bags