10 Best Under Seat Bike Bags for Carrying Your Essentials on the Go

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Are you looking for a convenient way to carry your essentials while cycling? Under seat bike bags are a great solution for storing items like keys, phone, wallet, and tools without weighing you down or getting in the way of your ride. In this article, we will explore the 10 best under seat bike bags that are durable, spacious, and easy to install, so you can hit the road with confidence knowing your essentials are safely stowed away.

Top 10 under seat bike bag In The Market

under seat bike bag Reviews

Bestseller No. 1
ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack...
  • SPECIAL SHAPE and UPGRADE STRAPS:3D shell saddle bag with wave cushion provides inside shock resistant protection if fell out.Upgrade straps make up for the deflective old ones and support lifetime warranty
  • RAINPROOF:Waterproof fabric with taped zipper for rain.Do not soak this seat bag in the water for a long time( stitches are not waterproof )
  • EASY TO INSTALL:2 stickup straps and a rubber buckle simplify mount system.Moreover , it keeps bag securely attach to seat post
  • NIGHT VISIBILITY:Reflective strap around the seat bag to increase night visibility while night cycling.Taillight hook compact space on the seat post ( Taillight doesn't include in the package )
  • QUALITY GUARANRTEE and friendly customer service. Any questions during using contract RockBros Bicycle with pictures.ARTISTIC:Delicate details- mesh pockets , structured inside can hold cashes ,keys , snack bars and other small repair tools (W 3.22 * L 9 * H 3.93 inches)
Bestseller No. 2
Danuosie Bike Seat Bag, Water-resistant Bicycle Saddle Bag, Expandable Capacity...
  • 1.5-2L & Expandable Capacity: Expand for more capacity need. The key feature of our bike seat bag is its adjustable storage capacity, which can be expanded from 1.5L to 2L, allowing you to adjust it according to your needs at any time. The dimensions before expansion:9.6 x 4.1 x 4.3 inches ( L x W x H), after expansion: 11.4 x 4.1 x 4.3 inches ( L x W x H)
  • Large Multi-Compartment Storage: Equipped with a large main pocket and 2 mesh pockets inside the main pocket, this bicycle bag offers 2L of total capacity for holding keys, wallets, gloves, mobile phone, bike tire repair tool kits, cycling accessories, etc. Its thoughtful design ensures easy organization and access, making it ideal for securing tools, snacks, and more while on the go
  • 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
  • Enhanced Visibility for Safety: 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
  • Easy to Install: With its strap-on design, this bike saddle bag allows for customizable positioning under any seat, fitting a broad spectrum of bikes, from electric to traditional. Its adjustable straps ensure a secure and snug fit across various bicycle models, offering a stable and convenient storage solution for cyclists
Bestseller No. 3
Tongha Bicycle Seat Bag Water Proof,Bike Pack under Seat,Bike tail Large...
  • 1.WATER RESISTANT FABRIC: PU synthetic saddle bag's high-density waterproof material and rubber water resistant zipper are impervious to rain, protect valuables from water, dirt and dust, and ensure safe drying of items. The surface can be easily cleaned by wiping with your hands
  • 2.LARGE CAPACITY:The size of bike saddle bag is 8.3 x 3.4 x 4.0 inches, the main pocket can hold keys, gloves, mobile phone,bike tire repair tool kits,cycling accessories,etc. There are three elastic mesh pouches inside the main pocket, which can be used to hold some valuable small items. This design can effectively prevent the internal items from falling when the waterproof zipper is opened
  • 3.SAFER RIDING:The rear of the bicycle seat bag is equipped with a safety light stand, so you can install a bicycle tail light (not included) to ensure safer night riding
  • 4.EASY TO INSTALL: The product is easy to install, just stick two powerful Velcro in the correct position under the seat, and then firmly fix an adjustable Velcro to the tube. The high-quality Velcro is reinforced and not easy to tear
  • 5.PERFECT SERVICE:If there's any problem after receiving the product, please contact us in time
Bestseller No. 4
ROCKBROS Bike Saddle Bag Small Seat Bag Bicycle Bag Under Seat Bike Accessories...
  • EASY INSTALLATION & WIDELY APPLICATION: Bike saddle bag with newly designed two straps fixed, mounts more sturdy and securely under your bike seat, which is suitable for road cars, mountain bikes, folding cars, commuter vehicles. It doesn't flop around, as well as doesn't protrude anywhere from the plan profile of the seat
  • DURABLE & STURDY: The bike seat bag is made of a rugged and high-strength nylon material, not only holds it's shape, but also highly tear resistant. Rubber non-slip bottom design for extending the service life
  • LIGHTWEIGHT & EASY TO STORE SMALL ITEMS: Only 60g ultralight under seat packs reduces wind resistant and make you ride faster. Capacious for your tire tools & Personal belonging Mini/ Co2 pump/ Levers/ Tube/ Key/ Energy Gel
  • REFLECTIVE STRAP & TAILLIGHT COMPATIBLE FOR SAFETY: Reflective straps and logo sewn on the bicycle saddle bag, and the rear strap for attaching a taillight to ensure your safety. It very necessary for somebody who likes to ride at night or uses their bike for commuting
  • 100% SATISFACTION GUARANTEED: ROCK BROS offer a 100% satisfaction guarantee. If the bike saddle bags are defective or damaged within 90 days, please contact us freely and we will replace it for you or provide a full refund, Please be assured purchase
Bestseller No. 5
ROCKBROS Bike Saddle Bag, Bike Bag Under Seat, Strap-on Cycling Wedge Pack, Bike...
  • ★IDEAL CAPACITY: 0.75 liter capacity, perfect for holding daily essentials. Bike Bag under seat is roomy for gas cylinder, tube, tools and miscellanea, small wallet and/or keys. If there need a little extra space it has an expansion zipper which will add a decent amount of space.
  • ★STRAP-ON DESIGN: Upgraded stylish design bike saddle bag. Concise style, better material, perfect size. Fixed securely with 2 strap, the straps fit securely and neatly under your saddle and around the seat post which suits for the most road, mountain and commute bikes.
  • ★REFLECTIVE DESIGN: The both sides of this water resistant saddle bag have reflective logos to increase night visibility in low light or dark conditions. It has a loop on the back which allows you to clip on a bike light. ( Tips:Taillight doesn't include in the package )
  • ★EASY ATTACH ON & REMOVE: This saddle bag is the perfect size, aero and has two strap that wrap around your aero seat post. And it can hugs the seat very tightly up an out out the way. It is easier to take the bag off of the bike and then re-attach it when needed.
  • INNER COMPARTMENTS: Convenient for you to separate bike tools, keys or somethings which need to. The bike seat bag will hold the basic needs of the ride.
Bestseller No. 6
Ubozaw Small Bike Saddle Bag Under Seat Pack for Cycling Waterproof Strap-on...
  • ✔SMALL SIZE & LARGE CAPACITY: The 1.7 L Bike Saddle Bag is designed with a main compartment with an inner mesh pocket, and 1 key clip. Size: 8.3 (L) x 3.5 (W) x 3.1 (H) inches. Weighs 120g/0.270lb. Small enough to not be in the way, but large enough (this bag cannot be expanded). It can hold various useful items for the traveling cyclist, like wallet, phone, small tools, snacks, energy gels and so on.
  • ✔HIGHLY VISIBLE & SAFE: Enhance your nighttime cycling safety with our Bike Seat Bag featuring an all-around safe design. Stand out with reflective strips on the sides and rear for high security. The taillight loop design allows you to add an LED light for increased visibility in lower light conditions, ensuring a safer night trip.
  • ✔STREAMLINED & STYLISH DESIGN: Elevate your cycling experience with our Bike Bag Under Seat optimized for performance. Featuring an aerodynamic shape to minimize wind resistance, our saddle bags make it easy to maintain speed without added effort. Enjoy a smoother ride and enhanced efficiency with our streamlined design.
  • ✔SUPERIOR MATERIAL & WATER RESISTANT: Constructed from durable, waterproof 600D Oxford fabric, this Bike Tool Bag is designed for all-weather commuting. Its highly water-resistant materials and waterproof zipper provide reliable protection to keep your tools dry and shielded from the elements.
  • ✔EASY TO INSTALL & QUICK RELEASE: Our Bike Saddle Bag features a reliable attachment system that includes 1 velcro strap and 1 buckle with adjustable straps. This system ensures that the bag is fixed securely to your bike, even during bumpy rides and quick maneuvers. You can ride with peace of mind knowing that your belongings are safe and secure. The adjustable attachment fits almost any saddle, making it a versatile and convenient option for all cyclists.
Bestseller No. 7
ROCKBROS Bike Saddle Bag Seat Bag Bike Bag Under Seat 1.5L Bicycle Bag Cycling...
  • DURABLE MATERIAL & SOLID SHAPE: Our bike saddle bag made of PU fabric and diamond grid scratch-resistant rubber material which is more durable, Effective prevent it from being worn out , while your bike seat bag is scratched by branches, or when your bike falls down and crash against the ground; What’s more, add PP plate support on two side of the bike bag makes it more solid,protect internal items from being squeezed
  • 1.5L LARGE CAPACITY: Ideal capacity for 1.5L and dimension is 16.5*9.6*8.4cm(6.5*3.8*3.3inch) this bike under seat bag can meet your daily need and prefect for mini pump, wallet , folding lock small cycling accessories, tire repair kit or multi-tools etc; Moreover, there extent classified storage design on the bag cover for small keys, cards, money and mesh pocket design can contains something wet
  • REFLECTIVE DESIGN: Reflective ROCKBROS LOGO on the back and reflective strap on two side of the seat bag to increase night visibility while night cycling, Taillight hook compact space on the seat post ( Tips:Taillight doesn't include in the package ) , Let’s riding safer at night
  • EASY TO INSTALL: Only need two steps to install successfully, 2 install straps simplify mount system, one strap around two side is for fastening the bike seat, which can also be adjustable, and the strap on the rear is use for fix the bike tube. More importantly, it will not touch you legs anymore while cycling
  • LIFETIME WARRANTY: Our friendly customer service: any questions during using pls feel free to contact us, this cycling storage bag is also a great gift (Thanksgiving ,Christmas or Birthday gift) for your lover, families or friends. No any risk to try, pls trust us and just buy it
Bestseller No. 8
WOTOW Bike Saddle Bag - Waterproof Strap-on Bike Seat Bag - Reflective Bicycle...
  • Well-Organized Pockets --- Boasting dimensions of 5.5*4.7*4.9”, the water resistant bicycle saddle bag features a 1.5L spacious interior. The bicycle seat bag includes one main compartment, and two inner mesh storage bags, providing ample room for essential items like cards, smartphones, tools, snacks, and other accessories during your cycling adventures.
  • Water Resistant Material --- Crafted from 600D EVA water resistant material, the bicycle saddlebags, with waterproof zippers and compatibility with taillights (Taillight is not included), stands up to harsh weather conditions. The bike bag under seat effectively guards against rain, mud, snow, and splashes. The water resistant material is not only easy to wipe clean but also ensures the protection of your belongings in any weather.
  • Reflective Design --- The road bike saddle bag includes reflective blocks on both sides and reflective strips around the back zippers and tail light for comprehensive visibility. The saddle bag for bike significantly improves visibility during night rides, ensuring a safer cycling experience.
  • Strap-on Design --- Two hook-and-loop fastener straps are stable enough to hold this bike bag. Follow the simple installation steps: 1. Peel off the hook-and-loop on both sides. 2. Separately attach the top and front hook-and-loop around the saddle and frame for added stability. 3. Adjust straps for the best fit.
  • Humanized Design --- 1. Thoughtfully shaped and sized to fit the saddle better. 2. Water resistant fabric with waterproof zippers. 3. Large zipper opening and two back zippers for easy access and retrieval. 4. Extensive reflective design on three sides of the bag ensures safety during night rides.
Bestseller No. 9
Rhinowalk Bike Saddle Bag Bicycle Under Seat Storage Pack for Repair Tool Kits...
  • 【MATERIAL】1680D polyester, add a protective layer on the outside to resist water splashing, protect the items in the bag.
  • 【LIGHTWEIGHT】5.9*3.15*3.5 inch, it weighs only 0.15lb.【STREAMLINE】Close tightly to the cushion.【VELCRO STRAP】The strap can be trimmed to the appropriate length according to the size of the pole.
  • 【REFLECTIVE PLASTIC EDGE REINFORCEMENT】 Use reflective material, no deformation, multi angle reflection. With reflective tail light strap and logo to ensure the safety of riding at night.
  • 【LARGE OPENING WITH DOUBLE PULLER】 Inner tube, repair tools and other riding accessories can be stored.
  • 【Suitable for different bikes】 road bikes, mountain bikes and folding bikes.
Bestseller No. 10
SILCA MATTONE | Bike Bag w/BOA Closure System | Waterproof YKK Zipper Storage |...
  • Exterior | The Silca Mattone bicycle seat bag has a sleek black finish with reflective graphics that allow the bike seat bag to virtually disappear under the saddle while still having a reflective SILCA shield that provides high visibility in low light when seen by headlights.
  • Interior | The Mattone bicycle saddle bag has hi-contrast red material with separate ID, credit card or money flap that covers any pro bike tool /accessories that may have pointed or sharp edges while providing full volume with elastic walls that conform to the contents of the saddle bag.
  • Volume | The Mattone bicycle saddle bag holds one inner tube, one CO2 cartridge, SILCA bike tire levers set, CO2 regulator head, credit card/ID, and multitool with ease.
  • Attachment | Mattone bicycle bags has BOA Closure System with open guide release on Hypalon retaining strap allow for easy installation over the seat rails while providing industry leading grip and strength in the steel cabled boa closure system.
  • Zipper | YKK Aquaguard zipper is the top of the line in waterproof bag zippers that blends nicely with the overall design of the bike bags and allows the bike tool bag to be accessed while still being installed under the bike seat.