ROCKBROS Top Tube Bike Bag

(32 customer reviews)

Original price was: $65.00.Current price is: $42.00. USD Save $23.00

A strap-on top tube bike bag for keeping small ride essentials organized. The EVA shell has a carbon-fiber-look finish, internal mesh pockets and a splash-resistant exterior.

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SKU: P001 Category:

Keep small essentials on the top tube with this ROCKBROS EVA bicycle pouch. Its three adjustable straps let you position the bag at compatible mounting points.

  • Carbon-fiber-look finish with a splash-resistant exterior
  • Internal mesh pockets and a wide-opening, dual-pull zipper
  • Three adjustable straps for compatible mounting points
Specifications & fit
Mounting position Top tube
Length Approx. 24.5 cm / 9.65 in
Width Approx. 8–10 cm / 3.15–3.94 in across the tapered outline
Material EVA
Finish / color Carbon-fiber look / Black
Attachment Three adjustable straps
Water protection Splash-resistant exterior; not waterproof. Do not submerge.

Check frame clearance and strap placement before ordering. External measurements do not confirm internal phone fit. Ask about fit.

Before you order: Check top tube bag mounting and clearance. Compare all bicycle bag types.

A closer look

32 reviews for ROCKBROS Top Tube Bike Bag

  1. Mark D. –

    Looks way more expensive than it is

    Looks way more expensive than it is. I was honestly expecting a generic looking bag but the carbon fiber texture on this thing looks fantastic in person. It matches my matte black road bike perfectly. Hard to beat for $39.90.

  2. Sarah J. –

    Stays put on rough roads

    Stays put on rough roads. No wobble. Bought this for my gravel bike and it hasnt budged. The adjustable straps hold it tight even on washboard dirt roads. The slim width keeps it out of the way of my knees.

  3. Chris M. –

    Great little bag

    Great little bag. Perfect size for ride essentials. I can fit my iPhone a multi-tool tire levers and keys. Took off one star because the zipper is a little stiff when new but its breaking in.

  4. Alex P. –

    Sleek and secure

    Exactly as described. Fits my frame perfectly looks super sleek with the carbon texture and holds my phone and tools securely. Doesnt rub against my legs at all.

  5. Jason T. –

    Super easy to install

    Took me less than two minutes to strap this onto my frame. The straps have a good grip and dont slide around. The carbon pattern is a nice touch and hides dirt really well.

  6. Emily R. –

    Looks awesome

    looks awesome on my trek. the carbon fiber is sick. very happy.

  7. David K. –

    Perfect for commuting

    Use this for my daily commute. Holds wallet phone and a small charger perfectly. Because it sits right behind the stem I can glance at my phone while stopped at a red light.

  8. Amanda S. –

    Doesnt rub my thighs

    Doesnt rub my thighs! As a female rider sometimes top tube bags rub against my inner thighs. This one is slim enough that it hasnt bothered me. Docking one star because I wish it had a small mesh pocket inside.

  9. Kevin L. –

    Survived a light rain shower

    Survived a light rain shower. Got caught in a light rain and my phone inside stayed completely dry. Obviously not fully waterproof but the material repels water well.

  10. Timothy Harris –

    Clean setup

    Clean setup. I love how low-profile this is. I hate having bulky bags on my bike but this one blends right in with the carbon frame.

  11. Rachel C. –

    Perfect size

    Perfect size for my cell phone and a cliff bar. The carbon pattern is really nice.

  12. Matt F. –

    Essential for century rides

    Essential for century rides. Did a 100-mile ride last weekend and this was perfect. Kept all my nutrition and my phone right in front of me. No wobbling at high speeds.

  13. Justin N. –

    Great for the price

    Great for the price. The carbon texture is a bit shiny but looks good with my matte frame. The straps are adjustable and easy to use.

  14. Kyle R. –

    Very aerodynamic

    Very aerodynamic. Sits nicely behind the stem. Doesnt catch the wind. My knees dont hit it when climbing. Good bag overall.

  15. Paul D. –

    Nice bag

    Nice bag fits great. Zipper is smooth. Good purchase.

  16. Greg B. –

    Its an okay bag

    Its an okay bag. The carbon look is nice but the velcro straps are a bit too long for my aero frame. Had to trim them. Holds my stuff fine though.

  17. Steve V. –

    Good quality

    Looks great on my bike. Good quality.

  18. Linda M. –

    Bought as a gift

    Bought this as a gift for my husband. He loves it. Says it holds his phone and keys perfectly without getting in the way.

  19. Nick W. –

    Missing a strap

    Arrived missing one of the mounting straps. Very frustrating. Tried to contact support but havent heard back yet. The bag itself looks okay but I cant use it.

  20. Jessica H. –

    Sleek design

    Sleek design. It fits my 6.1 inch phone perfectly. The straps are secure. Only reason for 4 stars is shipping took over a week but the product is solid.

  21. Brian G. –

    Fast shipping

    Fast shipping. Looks exactly like the picture. Very happy.

  22. Oliver S. –

    Fits perfectly

    Top tube bag fits perfectly. Love the texture.

  23. Chloe T. –

    Looks very premium

    Super easy to install and looks very premium. It doesnt sag when you put heavier items inside. Definitely recommend.

  24. Dan R. –

    Good bag

    Good bag does what its supposed to. The zipper pulls are a bit small if you have thick winter gloves on but other than that its perfect.

  25. Will K. –

    5 stars

    5 stars. Looks great fits great.

    Image #1 from Will K.
  26. Ethan A. –

    Matches my carbon frame

    I have a carbon frame and wanted a bag that wouldnt look out of place. This matches perfectly. Holds my gels and keys securely.

  27. Mia P. –

    Love the look

    Perfect size. Doesnt hit my knees. Love the look.

  28. Sam Lewis –

    Just a print

    The bag is fine but the carbon texture is just a print on a plastic shell. I expected it to feel a bit more premium. It does hold my phone well though.

  29. Jack D. –

    No more stuffed pockets!

    No more stuffed pockets! Fits my keys phone and a small pump. Highly recommend.

    Image #1 from Jack D.
  30. Emily Watson –

    Very secure

    Looks so good on my bike. Very secure no rattling.

  31. Liam N. –

    Solid bag

    Solid bag. Used it on a 50 mile gravel ride and it stayed put. Easy to clean too.

  32. Grace H. –

    Great value

    US

    Great value for the price. Looks like a high-end bag.

    Image #1 from Grace H.
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Shipping & Returns

  • Shipping: Free on orders of US$30+ after discounts; US$8 below US$30.
  • Destinations: United States and Canada.
  • Dispatch & delivery: Ships within 48 hours. Estimated arrival: 7–10 business days after dispatch.
  • Returns: Request a return within 15 calendar days of delivery. For change-of-mind returns, items must be unused with original packaging and accessories; return shipping is paid by the customer.
  • Refunds: Eligible refunds are processed within 5 business days of receiving the return. Your bank may take additional time.

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