Quick Summary
The SILCA Mattone Grande is a large, black saddle bag for carrying cycling repair gear beneath a bike saddle. It attaches at the saddle rails with a BOA system and has a rear reflective detail.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model | AM-BG-013-ASY-0300, also listed as the part number. |
| Dimensions and weight | 5.91 x 3.54 x 2.17 inches; 0.32 pounds. Use the dimensions to check clearance beneath your saddle. |
| Attachment | BOA system at the saddle rails; the design does not require a strap around the seatpost. |
| Color and quantity | Black; one item. |
| Zipper and reflective detail | The zipper is identified as a YKK waterproof zipper. A reflective 3M filament is on the rear shield. |
Key Features Explained
The saddle-rail attachment avoids a seatpost strap, and the product description characterizes the design as dropper-post compliant. That description does not confirm fit with every saddle or rail arrangement, so check your bike’s setup and available clearance.
The rear reflective filament is intended to reflect light when illuminated by vehicle headlights. Treat it as supplemental visibility, not a replacement for bike lights or other precautions. The zipper is described as waterproof, but that detail alone does not establish the water protection of the entire bag.
What to Compare Before Buying
- Measure the available space under the saddle and compare it with the listed dimensions.
- Check that the saddle rails and surrounding bike components leave room for the BOA attachment and bag.
- Lay out the repair items you plan to carry and consider their size and shape. Tubes, tire levers, CO2 patches, and multitools are listed as examples, but the capacity figures conflict, so they do not establish how much gear will fit.
- If you need protection from rain or spray, consider the entire bag’s water protection rather than relying on the zipper description alone.
Compatibility, Size and Fit
The bag attaches to saddle rails and does not wrap around the seatpost. No specific bike or saddle models are identified. Confirm the rail arrangement and under-saddle clearance on your bike before choosing this bag, especially if you use a dropper post.
Common Buyer Questions
Does the bag use a seatpost strap?
No. Its BOA attachment is described as connecting at the saddle rails without a strap around the seatpost.
Does the zipper make the whole bag waterproof?
No such conclusion is established by the zipper description alone. Consider the water protection of the complete bag if that matters for your rides.
Before You Decide
Check the dimensions against your bike, confirm the saddle-rail fit, and make sure your intended repair items fit. Do not rely on the zipper description as proof that the entire bag is waterproof.
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