**Product Specifications:**
**Brand:** ROCKBROS
**Product Name:** Bicycle Frame Bag
**Model Number:** 30990047
**Material:** Polyester
**Compatible Bike Types:** 27.5-inch mountain bikes / 700C road bikes
**Product Size:** As shown in the diagram
**Product Weight:** ~207g
**Color:** Black
**Warranty:** 90 days
**Flat Size:** 81cm x 151cm (ROCKBROS)
**Storage Size:** 11cm x 18cm (ROCKBROS)
**Note:** Due to different storage methods, there may be slight differences in storage size. The thickness of the stored item in the picture is approximately 4cm. Please refer to the actual product for specifics.
**Product Features:** Water-resistant fabric, reflective pattern, buckle straps, Velcro fastening, adjustable drawstring closure, storage bag
**Compatible Bike Types:** Suitable for both 27.5-inch mountain bikes and 700C road bikes
**Back Strap Design:** Features back strap interface for securing the bag to the front of the bike without taking up space on the frame (ROCKBROS)
**Top Opening Design:** Large top opening for easy access under the seat, with Velcro closure for secure fastening
**Installation:** 1. Remove the front wheel to prevent shaking, 2. Secure the bag using straps around the front wheel and handlebars, 3. Adjust the bag and fasten the Velcro (install the curved side towards the rear wheel), 4. Tighten the bottom drawstring to complete installation.
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