Quick Summary
The black Rhinowalk RK5113-B-001 is a 13L roll-top saddle bag for bicycle storage. It has a waterproof inner bag, sealed seams, saddle-rail and seat-post attachment straps, reflective details and a hook for a tail light. Its listed weight is 1.76 pounds.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Capacity and closure | 13L with a roll-top closure that allows the packed volume to be adjusted. |
| Rain protection | The listing describes a water-repellent outer shell, waterproof inner bag and sealed seams for rain and splashes. These claims do not establish protection during submersion or in every condition. |
| Attachment | Quick-release buckles and hook-and-loop straps attach at the saddle rails and seat post. An anti-slip pad sits against the bike. |
| Visibility features | Reflective details and a reserved tail-light hook are part of the design; they do not establish a light’s performance or visibility in all conditions. |
| Weight and color | 1.76 pounds; black. |
What to Compare Before Buying
- Capacity: Check that 13L suits the clothing, shoes or other travel gear you plan to carry. The roll-top adjusts the packed volume but does not change the stated capacity.
- Mounting and clearance: Check saddle-rail and seat-post access, strap placement and space between the mounted bag and rear tire.
- Rain exposure: Compare the stated protection for rain and splashes with the conditions you expect. Do not assume the bag is suitable for submersion.
- Tail-light placement: Check that your light can attach at the reserved hook and remain unobstructed when the bag is mounted.
Compatibility, Size and Fit
The listing describes use on mountain, road and gravel bikes, but does not provide bag dimensions or exact bike and saddle compatibility. Check your bike’s layout and tire clearance before choosing the bag. Tool-free installation is described, using the supplied attachment points and straps.
Before You Decide
Confirm that the selected configuration is the 13L size, that the straps fit your bike and that the mounted bag clears the rear tire. Consider whether the stated rain and splash protection and tail-light placement suit your setup.
Dropper Seatpost Check
If your bike has a dropper seatpost, check that the bag’s seatpost strap leaves the post free to move through its travel.











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