ROCK BROS Bike/Bicycle Phone Front Frame Bag, Waterproof, Tube Bag,Cycling Pouch, Bike Accessories
From the brand




Classic Bag


Waterproof Bag


Frame Bag
Bike Seat Bag
LARGE SPACE: Bike bag has enough inside room for long rides, holds a lot of stuff like phone, battery, energy gel, small tire pump, repair kits, keys, wallet etc. Perfect compatible with cellphones below 7 inches, compatible with the most popular phone models like iPhone,and more, shake-proof bike front frame bag(Phone compatibility: fits phones up to 7 inches with slim cases only)
HIGH SENSITIVE TOUCH SCREEN: The bike phone bag has a high sensitive TPU film window which can helps you use cellphone easily while riding, great way to see your activity while using maps on a ride. (Note: Touch ID NOT worked through the screen cover)
HUMANIZATION DESIGN: The bike phone mount bag has many humanization designs. A, The hidden earphone hole allows you answer the phone or enjoy music freely while cycling. B, reflective tapes on both sides of bike bags to keep your night ride safety. C, dual soft rubber zipper pulls make it convenient to open & close
DURABLE & WATER RESISTANT: The bike top tube bag is made of Carbon fiber texture fabric with sealed double zippers closure, which ensures the water doesn’t flow into the bag.The sun visor and flashing board is great use for rainy or sunny day
EASY TO INSTALL & QUICK RELEASE: 3 straps are firm enough to hold up on the bike, 1 hook and loop commuter strap on the front + 1 longer commuter strap on the upper bottom( the long strap can fixed the bag on the head tube firmly) + 1 commuter strap on the lower bottom. The bicycle bag would not move around even if you ride on a bumpy or rocky road(Not compatible with large e-bikes or bikes with oversized top tubes)
$ 25,99
Price: $25.99
(as of Oct 03, 2025 15:18:07 UTC – Details)
From the brand




Classic Bag


…
Customers say
Customers find the bike bag wonderfully crafted and appreciate its storage capacity, noting it can hold phones, keys, and tools. The bag is easy to attach and mount on top tubes, and the touchscreen works perfectly through the plastic. While some customers say it stays steadily in place, others report it doesn’t stay secure. The size receives mixed feedback, with some finding it good-sized while others say it’s too large.
Specification: ROCK BROS Bike/Bicycle Phone Front Frame Bag, Waterproof, Tube Bag,Cycling Pouch, Bike Accessories
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13 reviews for ROCK BROS Bike/Bicycle Phone Front Frame Bag, Waterproof, Tube Bag,Cycling Pouch, Bike Accessories
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$ 25,99






john scott –
A must have for your bike
This phone bag will keep your phone from the elements. Neither snow or rain will ruin your expensive phone with this, and if its really coming down you can cover it with the included waterproof cover. So far I’ve never needed it, because it does a nice job all by itself. The clear plastic top let’s you navigate your phone with your finger, but your side buttons are not accessible without unzipping the right zipper. There’s quite a bit of storage under the phone, from a checkbook to glasses and bud cases. The only thing that would be nice is to attach it to your top tube with screws, but not all bikes have these. Also if you have a short top tube, there’s not alot of room between your bikes seat and your groin. It’s a tight fit on my compact frame bikes. It is a quick install, so it can be used on different bikes when needed. The quality is very good, and its a nice design. You will no doubt by 2 or 3 of these for all of your bikes, asthey are so handy. They do become a “must have”
anon –
Excellent quality! But my knees graze co
I love this bag! Very durable, very well made. Great design and quality. Phone worked just fine through the clear plastic cover. The bag even comes with a rain bonnet. Although it looks quite rain resistant as is, I am not sure if the bonnet is needed.Bag is sturd, and not heavy. More than enough Velcro for secure attachment.Dang it, both of my knees graze the corners.Unfortunately, it’s getting returned.
W&M –
Easy to install and use.
Will store most tubes and all extras, difficult to use a phone through the case. Strap length does need to be cut if on a bike it is very long.
CDV –
Good quality, Easy to use, Fits ebike
Well made, has plenty of velcro in case your bike is wide, made it perfect for my ebike. It feels high quality and well designed, installing it took under 5 minutes, it was very easy to take on and off. The touch screen is very easy to use and the plastic is very clear. It fits my phone with its case, and even with a privacy screen it’s very easy to see my screen while I bike. The zipper also feels secure so I’m not worried about anything falling out. I biked with it this morning and it was great!
Good Ol’ Dave –
Fits my 30 year old bike perfectly!
After 40+ mile of use I can give an informed opinion now. In no particular order…-I have a 30+ year old bike and needed something universal fitting that complimented my 30+ year old tail bag (is it a law that everything needs to have “extreme” styling now that makes it look like it came off an alien spaceship?). This bag has no flashy decorations, no pinstripes, no skulls, nothing except reflective piping. Even the logo is muted. Perfect!-The two Velcro straps on the bottom grip my top bar securely and stays centered by the Velcro strap on the fork well. The straps have a generous length and I found I needed to cut them. If you do, cut them long enough so that the end is tucked away between the frame and the bag, to prevent unrolling. The bag sometimes shifts due to the load creating an off-center balance but not my much, maybe a half inch or so. Big whoop.-The top bag’s touch screen membrane on the upper flap is definitely smartphone friendly. I have an older Galaxy S5 in a case so if it works for my phone it will work with yours. The flap has attached adjustable Velcro halves that close snugly around whatever you put there, so you can put anything you want there from a smartphone to a solar charger. Yes, even solar chargers work inside it. This bag is renewable energy compatible!-The rear of the bag has a tiny self sealing slit for earphone cables which to me is unnecessary. It’s the 21st century, people. Use Bluetooth earbuds (keep one ear free for situational awareness, though). In case you wanted to know, Bluetooth gadgets work perfectly fine in this bag. Keep them charged with a solar charger mounted on the top, and when charged, swap it out with a smartphone loaded with music. But, that’s just how I ride.-As I pedal, my knees can and will occasionally bump up against the bag. This is a trivial thing and is easily overlooked when you’re on the trail. The bag only creates maybe two inches of girth on either side but the luggage carrying capability more than makes up for it.-On my rides I am able to fit EVERYTHING in my pockets- cell phone, keys, wallet, change, pocket knife, solar charger and Bluetooth earbuds- into this bag so that I don’t have gear banging around in my pockets while I pedal. When I put the bike away it stores my riding gloves so I’ll always know where they are. One glove or the other always seems to wander off somewhere when I’m not looking.-From the pics the bag looks like it’s just a thin plastic box, but inside the box it has soft padded lining to cushion any impact. It won’t protect the contents from a hammer, but it will cushion the fall should you accidentally drop the bike.-With the bag mounted I can no longer use the strap on my bike carrier to strap the bike’s front section down. I find I need to thread the carrier’s strap in between the bag and the frame, but the bag is flexible enough to allow it.-When the bag is stuffed full the zippers can be difficult to close sometimes. That has more to do with the bag being distorted from being over stuffed than any problem with the zipper. Readjust the bag contents and the problem goes away.-Much has been said about the bag’s waterproof-ness by others. I can’t comment on that since I don’t ride in downpours, but I can definitely say it is a lot more water resistant than any bag made of woven material (like my 30+ year old tail bag) because it’s a solid panel. I don’t care what the advertisements say about a product being waterproof- if it’s a woven fabric, if you leave it out in the rain it will eventually leak. If you typically ride in the rain, 90% of bags won’t be for you, including this one. Get an Otter box instead.All in all a great little bag that fits my loyal 30+ year old stallion perfectly. There may be more expensive bags out there but that doesn’t mean it will be a better bag than this one. At this price you won’t feel too bad about swapping it out if you do find a better bag later.
ELROD ELECTRICAL SERVICE INC –
Great product but…
This phone case works great. It is a great design.I have a Samsung Galaxy S24 Ultra with a Otterbox case, and my phone fits perfectly in the window. The touchscreen works great thru the plastic cover that zips up around your phone. It has a nice size compartment just under you phone. Enough room for your keys, wallet maybe a protein bar. It mounts easily and holds your phone as well as your other goodies very securely. I ride a mountain bike on moderate trails and it stays in place just fine. The only issue I have is, where it had to be placed on my bike made it difficult to see. Now, this may be due to my bike design and not the product design. I need to be able to glance at my phone and not take my eyes off of the trail for more than a second. I really do not want to have to see if my helmet will adequately protect my noggin if I crash into a tree because I had to take my eyes off of the trail to check my GPS in order to follow the desired route. That being said, if this case will fit on your bike in a place where it is fully visible, it is a great choice.
Happy customer and wife –
Great Phone Holder and Storage
Bought one to carry my phone and see it, as well as to carry other items. Very handy to see if I get a call. I can also use the touch screen on the phone. Also great to display/use the GPS.
texjohn –
Good product!
This bag has a lot going for it. Adequate space for phone, wallet, keys, multi tool and a tube or snack. I’m using it in conjunction with a seat pack just to store keys, wallet, phone. Material seems to be very water resistant. Straps were way too long so I trimmed them. Will the zipper last? We will see.
JOSÉ D. –
UN GRAN AUXILIO PARA PROTEJER TU MOVIL…. Y SIEMPRE ESTARÁ CONTIGO…..
Koji –
固定用のマジックテープですが前後の長さが倍近く違い残念ながら加工せざるを得なかった。現在はほぼマグネットで固定してますがフレームがアルミなのでステンレスをフレームに加えてます。マジックテープは1番前と2番目のみしっかりした作りなので何故3番目だけ2番目の半分の長さなのか意味不明です。改良の必要性ありですね。メーカーさん頼みますよガチにw
Thor –
Pretty handy! I have a little bit of trouble navigating my phone through the plastic bit. But rather than that ,it serves its purpose very well. Worth the buy !
Larry –
Like: Useful and waterproof. Easy to fit on my bike.
Akshay –
The product is of excellent quality which makes it worth the price asked for.The velcro straps stay firm and don’t loose grip keeping the case stable. Even the inner velcro flap that holds the phone is great. I forgot to zip up the case once and even after 2 hours of cycling the phone thankfully was held firm by the flap and didn’t fall out.The zipper also is excellent. Cycled through 5 minutes of moderate downpour once and not a drop went inside keeping the phone absolutely dry.