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Durable and Lightweight Construction: Made from ultralight Oxford fabric material, the bike bag frame is both durable and resistant to wear and tear, with zippers using high-frequency seamless welding technology for enhanced protection.

Spacious Storage Capacity: Designed with ample space to store your phone, repair tools, and other accessories, this bicycle frame bag solves storage needs for long rides, making it ideal for outdoor adventures.

Secure and Stable Installation: Features 3 adjustable Velcro straps for a firm and secure fit on your bike frame, ensuring the bicycle bags for bikes frame stays in place, even on rough or rocky roads—perfect for both mountain and commuter bikes.

Convenient Access and Slim Design: This frame bag cycling features a large zippered opening for easy access to your items and a slim profile that reduces wind resistance, without rubbing against your legs while riding.

Aerodynamic and Non-Interfering: The triangle bike bag features a triangle-shaped design fits harmoniously within the bike frame, minimizing interference with riding and enhancing overall aerodynamics.

PRACTICAL BIKE BAG: In this frame bag you can store everything that is important on the bike tour. Save unnecessary luggage. The bag offers space for valuables, bicycle lock, patches, ID cards and mobile phone.

EASY INSTALLATION: The bicycle frame bag has three Velcro fasteners. Above that, you can easily attach them to the bicycle frame.

With zipper closure: The contents of the bag are easily accessible. The large main compartment can be easily opened and closed with a zipper. So nothing falls out even at high speeds.

NO ATTENTION: The frame bag is designed in a triangle shape. It fits harmoniously into the bike frame and does not interfere with driving.

1.8L Large Capacity: Equipped with a large main pocket, a mesh pocket inside the main pocket and a external zipper pocket on side. This tube bag offers 1.8L of total capacity for holding keys, wallets, gloves, mobile phone, bike tire repair tool kits, cycling accessories, etc

Removable Straps for Different Bikes: The bike triangle bag can be easily installed and removed thanks to the 3 Velcro straps, which are strong enough to hold it under the tube. You can adjust the position of the straps near the handlebars to suit your needs. It's suitable for most bikes, such as mountain bikes, road bikes, e-bikes, etc. *If the Velcro is too long, you can cut it to the right length

Easy Access Side Pocket: The main pocket on our bike under tube bag is on the side of the bag, so you can easily just zip it open and access your items. Moreover, this bike bag is exceptionally slim, ensuring it won't interfere with your legs while you ride

Water Resistant & PVC free: Crafted from waterproof material, and reinforced with smooth 900D Oxford fabric and PU coating for rainproof protection. Its sleek, fashionable look complements any cycling ensemble. Furthermore, our bike bag does not contain PVC, ensuring safer and more reliable long-term usage. *Although the seat bag is made of water-resistant fabric, it is not recommended to use it for long periods of time in heavy rain

Large Reflective Area for Night: Its high-reflective design significantly improves your visibility during night rides, offering an added layer of safety by making you more noticeable to others in low-light conditions

Bag size: 10.5 * 12 * 39cm / 4.1 * 4.7 * 15.4 inches. Suitable for model: Hailong, Dolphin, Tiger shark, Jumbo Shark or other down tube batteries. Please check if it fits your battery.

Easy to clean and remove: The simple design can be installed on most bicycle battery. High quality fabrics make it easy to clean. Helps you save your battery from rain, keeps the battery dry, great quality adjustable at both sides to stop it blowing off when riding.

DURABLE & STEADY: High quality nylon fabric outer material and inner TPU material offer a comprehensive protection for your ebike battery, protect the battery from rain, dust and scratches.

Drawstring Design: Left and right sides of the waterproof cover are equipped with high elasticity adjustment buckles and needle through ropes. When the waterproof cover is used, the two sides can be tightened, and the waterproof effect is better.

Please check your battery size with the bag size carefully before purchase. Does not fit for Hailong04 52V 20AH Could fit for Hailong01 Hailong02 Hailong03 battery. and other shape battery with suitable size. Note: Bag Only, No Battery. Water proof ebike battery bike, dust proof electric bicycle frame battery bag, keep battery warm in cold.

【3 in 1-Bike Frame Bag/Top Tube Bag】The velcro on top of this bike bag is removable, so this bike frame bag is easy for you to switch to a bike frame triangle bag or top tube bag at any time. The installation is very easy,just wrap the velcro straps around the frame, thru the clip and tightly back, fits above/below tube.(Tip: after pulling the strap tight you will need to push the extra Velcro material through the provided loops in the bag to hold the bag to the frame securely, if the velcro straps are way longer than you need, it can be easily trimmed with scissors. )

【1.2L LARGE Capacity -Good Storage Makes Riding More Comfortable】1.2L capacities bike pouch is large enough to essential tools on you rides,such as mini-pump, spare inner tube, tire levers, small adjustable wrench, and screwdriver set, etc., bike pack can also carry other items: mobile phones, keys, snacks and sundries.Beside，this bike triangle bag has a small elastic netted compartment inside that could be good for cash cards or valuable small items，so your small items won't move around and safer in the elastic compartment.

【2 Handy Zipper Side Pocket & Thinner Design】Bicycle pouch has 2 side zipper pocket, you can put something like keys,gum or cards into the mountain bike bag's pocket without having to dig to the bottom of the stuff in the large compartment to find them,and the zippers are sturdy and easy to access quickly with one handedly while riding. Besides, bike tool bag was the thin profile is enough-2.5inchi, so that bike storage bag don't hit you knees while riding.

【Upgraded Waterproof Fabric & Zippers- Good Water Resistance 】Bike pouches for adult bikes is well made of smooth 900D Oxford fabric and PU coatin,and all of the zippers are covered,so that NDakter's bicycle bags has a higher level of water resistance,this bike phone bag can protect the contents from rain, and is a safe place to hide a phone in a mild rain.

【Large Reflective Area for Night-Safer Riding】Also the reflector on waterproof bike bag is a plus along with weather resistant.Both the sides of road bike bag are highly reflective, so this cycling bag can provides extra safety when crossing traffic at night .(see photos taken with and without the camera flash).

Superior Material & Water-resistant --- WOTOW bicycle frame bag is made of 600D Oxford, with smooth PU film coating, not only waterproof but also durable and anti-scratch. Upgraded seam-sealed zipper can stand thousands times zip and unzip, effectively prevent rainwater from entering and protect belongings dry and safe.

Strap-on & Adjustable Position Install --- Unique designed loops all around the bag frame, plus 3 independent hook and loop fastener straps, the triangle bag can be installed securely and firmly under seat or near the handlebar, to not get in the way of water bottle bracket. The versatile install way make it fit for most mountain, road and commute bikes.

Large Reflective Area for Night --- Equipped large reflective area on both sides, the slim frame bag can reflect lights from all direction and be noticed easily, keep your night ride safer. An ideal choice for cyclists who enjoy night riding or those need to use bike for commuting in dark.

Well Organized Pockets --- With dimension of 8.9*6.1*2.2 inch (L*W*H), the bike storage bag has 1.5L large capacity. The left zipper slot perfect for cards and cash, and the right big compartment is easy to hold daily essentials such as mobile phone, power bank, gloves, sunglasses, flashlight, mini bike pump, bike repair tools and other accessories. The 2 interior layered pockets and key hooker help to organize the belongings.

Dual Zipper Opening --- The right side main compartment of this frame bag adopted large opening mouth with double zipper, provide more convenience when fetch items. The non-slip zipper puller can easily be gripped even with winter thick gloves.

360-Degree Rotatable Cell Phone Holder Design: ROCKBROS bike top tube bag has a cell phone holder for phones under 6.5” that rotates 360 degrees to prevent your phone from shutting down due to high temperatures when you leave it in the bag during summer rides. The holder is made of silicone and won't scratch your phone. And the holder can rotate 360 degrees for easy use.

Waterproof & Durable：This front frame bag shell is made of tough and high density material, so it is very waterproof and durable. The hard shell design makes the bag not easily deformed, pressure-resistant, simple and fashionable.

Flexible & Easy Installation: The bike phone bag comes with 3 straps, just fix the straps on the top tube. 3 straps keep the bag not easily displaced, preventing scratches on the bike paint. There are 6 strap positions for personalized selection.

Large Capacity: The capacity of the bag is nearly 1.5L, you can put down a lot of stuff you need to carry while riding like cell phone, keys, etc. There are two mesh pockets inside the bag, which can be used to store id cards and other things that you want to find quickly.

Humanization Design: Designed with double zippers for easy access to things, the bike bag has a large opening flap. With its slim shape and weight of only 235g, it won't hit your knees.

✅ 【Durable Carbon Fiber & 3D EVA Molding】- Ultra Durable BIke Bag Made of Carbon Fiber Exterior Layer That is Scratch Resistant and 3D Molded Interior Layer with Eva Hard Shell that is Ultra Durable & Keeps the Bag in Shape. High Quality Sealed Double Zipper will Prevent Water Leaking & Includes Rain Cover for Heavy Rain Situations.

✅ 【Large 1.7L Storage Capacity & Easy Access】– Inner Product Dimension is 9" x 5" x 4". Large Storage Space to Accommodate Many Biking Essentials & Other Accessories like Wallet, Sunglasses, Battery Power Bank. Bag Also Has Inner Side Mesh Pockets to Conveniently Store Small Items such as Keys, ID, Credit Cards and Cash.

✅ 【Sensitive TPU Touch Screen & Velcro Pad Phone Holder】- Transparent TPU Screen Case with Velcro Pad Inside to Conveniently Operate Smartphone While Riding. Velcro Pad Phone Holder fits iPhone 15 Plus, 15 Pro Max, 15 Pro, 15 or Samsung Galaxy S23 Ultra, S23, Google Pixel 7 Pro or Any Phones Under 7 Inch. Conveniently Operate Your Smartphone Without Opening the Bike Bag. Added Sun Visor for Better Phone Visibility During Sunny Day. Listen to Music Handfree & Make Calls With Headphone Plug Hole.

✅ 【Aero Dynamic Design & Added Light Reflective Trims】- Aero Dynamic Design that Looks Sporty & Functional. Added Reflective Trim Increases Night Visibility in Low-Light Conditions While Ensuring Extra Night Riding Safety.

✅ 【Velcro Straps and Stable Design】- The 3 Adjustable Velcro Straps Make It Steady Even When You Ride On Bumpy Road Conditions. The Long Velcro Strap Can Fix the Bag on the Head Tube Firmly. Other 2 Velcro Commuter Straps on the lower Bottom Handlebar. This Handlebar Bag is Suitable for Most Bicycles, Such as Mountain Bike, Commuter Bike, Road Bicycles or Electric Bikes. The Velcro Straps are Designed to Be Installed and Disassembled Easily & Conveniently.

Pack is convenient gear-toting solution that clips instantly to the back of your bike's saddle and seat post

With Nylon button straps design, easily connects under bike top tube.

Zipper design on the right side of human nature, the fetch more handy. The wide reflective strips on both sides ensure safe driving at night.

Made of waterproof and wear-resistant 600D Nylon fabric, more sturdy and durable.

High Capacity, Perfect to store small items, Such as earphones, cell phone, wallets, keys, tools, tire levers, patch kits, snacks and others.

If you have any questions about the products you ordered, please contact us in time, we will try our best to provide you with satisfactory service. We always care about customer experience and strive to improve product functions and details.