Carry daily essentials with this compact 0.45 L bike saddle bag, featuring an integrated rechargeable taillight and reflective detailing.

Designed for riders who want practical storage without adding bulk, this rear bike saddle bag provides enough space for tools, keys, a spare tube, or small personal items while keeping your setup clean and streamlined. The 0.45 L capacity makes it ideal for commuting, road cycling, gravel riding, and MTB use where minimal weight and tidy storage matter.

The bag is constructed from wear-resistant polyester with a structured 3D internal support that helps it retain its shape even when riding over rough surfaces. A strap-mounted design allows secure attachment beneath the saddle, keeping the bag stable during rides while remaining easy to remove when needed. Reflective detailing on the exterior improves visibility in low-light conditions, adding an extra layer of safety for urban and rural riding.

Integrated into the rear of the bag is a compact rechargeable taillight designed to improve visibility and awareness from behind. The light features multiple lighting modes, a brake sensor that brightens when slowing, and vibration-activated start and stop functionality. Light-sensing operation automatically adjusts use based on ambient conditions, helping conserve battery life. With an IPX6 waterproof rating, it’s well suited to year-round riding in changeable weather.

This bike saddle bag with taillight is a practical choice for riders who want everyday storage combined with enhanced rear visibility, without adding separate accessories to their bike.

SPECIFICATIONS
• Brand: ROCKBROS
• Bag Type: Rear saddle / tail bag
• Capacity: 0.45 L
• Bag Material: Polyester
• Bracket Material: Nylon
• Mounting Style: Strap-mounted
• Reflective Elements: Yes

Taillight Specifications
• Material: ABS + PC
• Battery Capacity: 250 mAh polymer battery
• Voltage: 3.7 V
• Charging Input: USB 5 V
• Battery Life: Approx. 18–110 hours (mode dependent)
• Waterproof Rating: IPX6
• Light Modes: Five modes
• Features: Brake sensor, vibration start/stop, light-sensing activation

Combining compact storage with smart lighting features, this bike saddle bag is well suited to daily commuting, road riding, and trail use. Its durable construction, integrated taillight, and reflective design make it a practical and safety-focused addition to any cycling setup.