ROCKBROS Bike Frame Bag Bike Triangle Bag Waterproof Bike Top Tube Bag Cycling Pouch 1.5 L Classified Capacity

(358 customer reviews)

$31.99

  • Large Capacity: The length of this bike triangle bag could reach 43cm, which means it has the large space to carry the long pump. About 1.5L classified capacity, one side for little stuff ,like your ID card,cash, keys. You could put your cellphone,bike light, ,and repair tools on the other side
  • Waterproof Design: With seamless welding technology, airtight zippers and fully waterproof material, this under top tube bag is able to survive from the heavy rain storm. Forget the weather,just enjoy your cycling trip
  • Two Sides Zippers: This bike bag contains the durable airtight zippers on two sides. The zipper with a smooth pull function comprises a zipper body, plus the zipper string , you could easily to take bike accessories out from the bike pouch
  • Premium Material: The bike pouch is made of 600D wear-resistant polyester , It is to clean the surface. At the same time, the material is high density, so it will keep the water way, protect the bike bag from soaking. The whole bag weight about 160g, there is no any burden from this bike pouch
  • Easy to Install: Come with 5 long adhesive straps, you could install the bike bag on bike top tube, under bike top tube or on the down tube. Build in one piece of PP keel, will keep the bike bag stay in shape, even it is fully filled. Narrow shark shape, will not rub against your legs while riding. Compatible with mountain bike, road bike, city bike(the top tube length at least 17.72”, 45cm)

Based on 358 reviews

4.0 overall
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  1. C. King

    It’s clean looking, the zippers are hidden, 2 sides, main storage and a slim pocket. Fits on both of my bikes (only two? I’m working on that.) The Velcro straps get a little challenging to tuck in completely, but better with use. Only real complaint, I can’t fit my cell phone in the slim pocket.

    C. King

  2. PKs Reviews

    The bag hits all the marks: ample storage for wallet, keys, extra tube and more on one side of bag then other side has thinner side for tire levers or thin items. Bag fits under bar fine on size “large” (size 56-ish) Kona cross bike and does not impede access to water bottles. Bag is sturdy, is held in place firmly by the included Velcro straps and bag does not hit legs while pedaling. Tested it on long rail trail and the bag does not move around when loaded with items. Have not tested it in rain yet but it appears very water resistant and even then in any bike bag I would place wallet, etc. in plastic bag or small dry-bag. Price is right and gray color is fine even though my other bags on the bike are black. Will update review after more miles are on this bag. All around appears to be a great purchase and addition for bike travel.

    PKs Reviews

  3. Morgan Walby

    Product is good quality (material, zippers, and velcro straps) and fits my road bike frame well. Can store a small pump and tools even light jacket etc. Great to use when you can avoid a backpack.

    Morgan Walby

  4. Collin S

    Bought this bag for a big gravel ride I did this fall. Loaded it up, it swallowed up all the gear and food I needed.

    The straps are slightly weird to futz with, but they hold everything extremely securely. I do like the fact that you can customize the placement of them, depending on your frame.

    Collin S

  5. wg

    good size, well made, looks okay and works well enough. Large enought ot hold my very large cell phone.

    It has absolutely NO water resistance at all. In fact it seems to collect and hold water, but on top of that somehow the inside is waterproof so water cannot drain out… yes you read that right.

    As long as you do not need a water proof frame bag this is a very good bag and I would totally recommend it because it offers good value.

    wg

  6. PKs Reviews

    Posting these early in case they can help someone else.

    Both bags from Rockbros. Both come with 5 hook and loop fasteners, (1 front, 1 rear, 3 on top) with some flexibility on exact placement. Both have a zip opening on each side – right hand side to the main compartment; left hand side to a slim pocket. Right hand side is full height, left hand side (because of how it’s bonded) is about 1/2” shorter than the bag.

    Both well made, look to be shower proof and both have there attachment points bonded to the main bag (not stitched).

    This bag (the smaller one) is sufficient for tube, basic tools, small pump and basic first aid kit. Slim side may be good for band aids, very slim lights, wipes, bandana etc. – that side is not large enough for a smart phone. The large side is large enough for a smaller iPhone height wise – may want some sort of separation from tools.

    PKs Reviews

  7. Robb Zbierski

    I looked at many frame bags to fit my small bike. I decided to try this one to carry the essentials instead of a full frame bag so I can access my water bottles. It has a large compartment on one side which fits everything you see in the photo. And a smaller slim compartment on the opposite side. The bag stays in place using all the straps. They seem substantial but haven’t tested it in bad weather. And doesn’t rub against my legs. I like that it can be fastened in various places. If there is a negative, I would say the straps are a bit long but better long than too short.

    Robb Zbierski

  8. E Boe

    I like a top bar bike bag. It must be fairly narrow and not wobble to much while riding. This is long enough to firmly attach front and back and keep it stabilized. Though narrow, I get all my tire repair tools and a battery powered bike pump, and a full set of bike tools.
    I still use a small seat back pack for the overflow. All at a reasonable price. I have not experienced a significant rain shower, so can’t rate waterproof. The included straps are a bit stiff. I replaced one that I loosen to store my bike for easier use. It’s probably too narrow to hold spare cycle clothing and anything else. I highly recommend this bike bag.

    E Boe

  9. Amazon Customer

    Large capacity to cart all emergency supplies.

    Amazon Customer

  10. Morgan Walby

    Love it!

    Morgan Walby

  11. Collin S

    Perfect for still carrying water bottles or the bottle bag tool kit. Will hold a fair amount of trail mix and power bars. Repair tools, tube, keys, first aide. I use this with a small above the top tube bag, bar bag, and rear rack with bag and panniers for all day gravel rides. Food and clothes. This is a great under top tube bag if you are not going to do the one that fills the entire cavity were water cages are no longer used.

    Collin S

  12. Joseph M. Harris

    I like the bag. It fits my Trek Checkpoint nicely and I can carry all of the tools I need along with gels and other nutrition. However, the first time I got caught in the rain everything in the bag was soaked. I checked when it dried out and could find no obvious place for water to enter but both sides were completely wet. Water pooled inside the bag.
    I still use it but not if it looks like rain.

    Joseph M. Harris

  13. Oldbill44

    I bought this kind of last minute after being talked into a crazy sunset to sun rise ride. The size has it’s pros and cons. The pro is it stays in place and gives plenty of access to your bottle cages. I have a larger bag which hinders access. The con is it doesn’t fit a ton. The left side pocket is very shallow and does not allow you to fit much. Maybe some gels or stash of cash. The main pocket is good for maybe a cell phone, emergency wind breaker and a little food. A full size 24oz bottle will fit in there but will not leave room for my else. It’s a compromise. If you’re doing bike packing, this is going to be too small. For other, less demanding uses, this could be the ticket.

    Bag itself looks nice, straps are simple Velcro. A nice small addition would be some little divider pockets inside so you can put cash, keys, or a credit card in there vs just putting it in the main area and hoping for the best.

    Oldbill44