Ride Ready. Stay Dry. Access Everything in a Flash.
Imagine reaching for your phone, snacks, or keys mid-ride without breaking your stride. The ROCKBROS AS-133 top tube bag makes that effortless — a magnetic flip lid pops open with one hand, your gear stays bone dry in any weather, and the slim profile keeps your pedal stroke clean and unobstructed.
Key Features
Magnetic Flip Closure — One-handed access replaces fiddly zippers; high-suction magnet stays sealed over bumps and vibration
Fully Waterproof TPU + 600D Nylon — High-frequency seamless welding keeps contents dry through rain, puddles, and long-distance rides
Slim Streamlined Profile — Narrow sides reduce wind resistance and won't interfere with your leg stroke
PP Sheet Structure — Rigid internal support keeps the bag's shape even when empty — no collapsing or flopping
Velcro Strap Mount — Two high-grip non-slip straps secure the bag firmly to your top tube; trimmable to fit any frame
Scratch & Age Resistant — Durable exterior holds up to daily friction, UV exposure, and rough weather
Available Options
Colors: Black, Blue, Red
0.9L — 22 x 9.5 x 6 cm — fits larger phones & more gear
0.6L — 20 x 8.5 x 5.5 cm — compact and lightweight
