Quick Summary
The ALMSTHRE Reverse Top Tube Bag, model RTTB-MB, is a single 0.55 L bicycle bag in Reverse Midnight Black. It measures 8 x 1.25 x 4.5 inches and weighs 110 g. Adjustable straps and a seatpost tether are listed for mounting.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Capacity | 0.55 L; check that the items you plan to carry fit. |
| Dimensions and weight | 8 x 1.25 x 4.5 inches; 110 g. Compare the dimensions with available space on your bike. |
| Mounting features | Adjustable straps and a seatpost tether; silicone grips are described on the underside. |
| Materials and zipper | Ripstop fabric and an AquaGuard zipper. The zipper detail does not establish a waterproof rating for the whole bag. |
| Quantity | One bag. |
What to Compare Before Buying
- Frame clearance: Check the listed dimensions against your frame and nearby components, including the space around the seatpost.
- Mounting fit: The bag is described as sitting just ahead of the seatpost. Confirm the straps and tether can attach where intended without interfering with your riding setup.
- Storage space: At 0.55 L, it is a small-capacity bag. Check the size and shape of your intended contents rather than relying on volume alone.
- Rain protection: An AquaGuard zipper is specified, but no whole-bag waterproof rating is provided. Use separate protection for contents that must stay dry.
A Quick Packing Check
Gather the small items you expect to carry and check whether they fit within the bag’s 0.55 L capacity. Before riding, check the mounted bag’s clearance around the frame and seatpost.
Before You Decide
Confirm that the dimensions and mounting position suit your bike, the capacity fits your intended contents, and the zipper detail meets your weather-protection needs.
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