Quick Summary
The ROCKBROS BB2503 is a black, right-hand road bike bell with a stated sound level of 100 dB. Its copper-alloy dome is struck by a brass striker when the nylon spring trigger is pressed down.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and version | BB2503, black, right-hand version. |
| Stated sound level | 100 dB. |
| Bell construction | Copper-alloy dome and brass striker. |
| Trigger and fixings | A downward press operates the nylon spring trigger. Stainless steel screws are specified. |
| Rain exposure | The shell is described as splash-resistant for light rain, but not for prolonged exposure. |
What to Compare Before Buying
- Handlebar fit: Check the exact fit specification against your handlebar diameter before choosing this bell.
- Hand and control layout: This is the right-hand version. Consider whether its trigger position suits your setup while leaving access to the brake and gear controls.
Before You Decide
Confirm the handlebar fit and right-hand configuration. The stated splash resistance is for light rain, not prolonged exposure.










