Skip to main content

FREE Shipping Now Available on Orders $50+ (excluding oversized items)

Why shop at Mad Dog Cycles? Learn more about our promise here!

Filter By:

  • Show More Brands

  • Show Fewer Brands

Seat Bags

$17.99 - $19.79 $19.99 - $21.99 10% Off
Budget-focused riders can journey with confidence knowing the Comp Seat Bag will keep essentials are close at hand. • Hook and loop straps attach pack securely to seat rails and seatpost • Angled zippered opening makes access to contents easier when bag is fitted tight • Taillight tab for increased visibility • 100% polyester
$25.19 $27.99 10% Off
Lezyne's Ex Caddy is an expandable wedge shaped caddy with a lower portion that unzips when more storage is needed. Labeled internal organizational pockets provide extra organization. A buckle system securely attaches the Caddy to the seatpost and seat rails. Durable woven nylon fabrics, water resistant zippers, reflective logos, and reflective tail light loop make this caddy ready for all weather and nighttime riding.
$38.66 $42.95 10% Off
Carry just the necessities in Topeak's Large Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.
$49.49 $54.99 10% Off
A convenient all-in-one pack containing useful tire-change essentials. Flats happen. Make sure you're prepared with a Bontrager Flat Pack. Featuring the storage, inflation, and tire removal equipment you need to handle an emergency flat repair, this purchase also includes a coupon for a free Bontrager tube so you can get the right size for your bike and tires. Product details - Kit features everything you need to quickly fix a flat, including the seat pack - Includes Pro Small seat pack (non-QC) for quick and easy on-bike storage - Contents include: mini pump, three tire levers, and patch kit - Also includes coupon for a FREE Standard Bontrager Presta or Schrader inner tube
$27.95
Aerodynamic seat bag holds tubes, tools and other repair items. Mounts with our innovative Quick Release Buckle system to fit all railed saddles. Specs: - BAG ATTACHMENT: Nylon straps / Buckle - MATERIAL: 1200 denier polyester - SEATPOST DIAMETER: Fits 27.2 - 34.9 mm - SIZE: 16 x 8 x 7.5 cm / 6.3" x 3.1" x 2.9" - CAPACITY: 0.41 L / 25 ci - WEIGHT: 85 g / 2.99 oz - ADDED FEATURES: 3M reflective strip, Safety light clip
$32.95
Carry just the necessities in Topeak's Micro Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.
$18.00 - $27.00 $20.00 - $30.00 10% Off
MSW's simple strap-mounted Brand New Bags come in three sizes so you can carry along your keys, phone, wallet or emergency repair kit--or whatever else you need to make your bike ride great. - Combination 600D polyester and 420D nylon outer with 210D Nylon lining - Simple strap and clip attachment - 3M reflective strip - Loop for clip-on lights - Small: 6.3 x 2.8 x 4.1" - Medium: 7.7 x 3.3 x 4.7" - Large: 7.5 x 3.9 x 5.3"
$29.95
Convenient, state-of-the-art storage case with a stealth carbon-look finish fits securely in cages. Rattle-proof padding for a noiseless ride. Ideal for road-side repair tools. - Capacity: 25.8 cubic inches (423 cubic cm) - Height: 5.25 in (133.5 mm) - Weight: 65g
$17.99
Planet Bike's Little Buddy is the perfect friend to bring along on every ride. It's made of tough material and has a padded, white interior to protect, and make it easy to see your things. Its 44 cubic inches of capacity handle all your essentials. It's also got a diagonal zipper for easy access, a taillight strap (lights sold separately) and reflective piping for visibility.
$26.99 $29.99 10% Off
If you'd prefer to carry your gear in a bag rather than stretching out your jersey pockets, Banjo Brothers' Large Seat Bag is perfect for you. It'll hold a tube, tire levers, patch kit, a mini tool, your wallet, some food, even a wind vest or camera (each sold separately). And if you're going big, it expands to haul more gear. It's made from heavy-duty 840-denier nylon with a wide-opening design for easy access. And you've got 360 degrees of visibility with reflective accents and a rear tab for a blinkie.
$28.79 $31.99 10% Off
Plenty of room and durability to support you on epic rides. If being prepared is important the super cache can carry enough to accompany you on epic rides. - Water resistant 1000D material with YKK zipper - Interior division for all your essentials - Reflective logo, webbing to clip light - Angled straps achieve a low profile fit - No-snag Velcro and Amara leather limit abrasion
$109.99
A weather-resistant, bikepacking-inspired / urban-inspired seat pack bag with built-in accommodation for a U-lock. Ideal for the commuting trunk bag user who doesn't want to use a rack. - OCEANWEAVE 600D reclaimed fishnet polyester with waterproof polyurethane coating. - Water-resistant stitched construction. - Heavy-duty seat rail buckle and straps, pull up to tighten. - 3 rubberized, modular seatpost straps with CAMLOCK, ensure things stay tight, while eliminating potential damage to clothing. Can use 2 or 3, in varied positions. - Top mount bungee system with wings, provides optimum stability to top loads, etc... - Top bungee system for additional, flexible storage. - Supplemental rear closure strap system provides additional support. - Ultra-visible rear 3M triangle logo. - Polypropylene plates below saddle, ensure ample leg clearance, even if heavily loaded. - Built-in U-lock holder. - Rear light clip.
$99.99 - $129.99
- Waterproof - Reflective Elements - Mount for clip on light - Spacers for handlebar spacing - 9 Liters 700x315mm - 2.4 gallon 27.6x12.4in
$67.46 $74.95 10% Off
This wedge bag has two compartments with foam inserts to keep tools jiggle free. - Features durable 1000 denier, wrap-around zipper, extra-long 3M reflective strip for added safety at night and a zippered expanding main compartment for added storage. Mounts and removes quickly with the innovative QuickClick system. - Built-in rain covers and two-piece rail fixer for easy removal Tool Kit Includes: - 2, 3, 4, 5, and 6mm Allen wrenches - T25 Torx - Phillips screwdriver - 8 and 10mm open wrenches - Universal Chain Tool with chain hook - 2 Tire Levers - Flypaper Glueless Patch Kit
$30.59 $33.99 10% Off
- Water resistant 1000D material with YKK zipper - Interior division for all your essentials - Reflective logo, webbing to clip light - Angled straps achieve a low profile fit - No-snag Velcro and Amara leather limit abrasion - Length: 9 in, Width: 5.1 in, Depth: 3.7 in - Volume: 68.5 cu in
$20.69 $22.99 10% Off
Lezyne's Road Caddy is a compact seatbag made of durable nylon fabrics that tucks nicely under your saddle. A large nylon strap secures the caddy to the saddle rails. The Road Caddy features a water resistant zipper with a finger loop, a clamshell design that opens to provide easy access, and an elastomer internal pocket for storage. Reflective logos and a rear light loop aids rider visibility at night.
$29.66 $32.95 10% Off
Carry all the necessities in Topeak's Aero Wedge Pack DX. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and it sports separate compartments for your mini tool and tube, and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.
$80.96 - $94.46 $84.95 - $104.95 Up to 10% Off
Listen to your inner voice of adventure. Pack up your gear, get on your bike, and ride that epic trail. BackLoader is a large-capacity seat bag specially designed for bikepackers providing a streamlined way to carry gear without the need for a rear rack. Constructed of lightweight, highly water-resistant and durable materials, it mounts and removes quickly. The upgraded saddle mount system, in conjunction with compression straps, reduces the pendulum effect associated with large rear payloads, providing a comfortable ride for those long miles. An easy-access waterproof inner bag is included to keep contents completely dry. - Polyethylene / Nylon — Lightweight, durable, water repellent and stain resistant - Hook and loop fastener - Waterproof Rating: 10,000mm (waterproof inner bag) - Max Load: 5kg / 11lb - Safety light clip - Air release button
$112.49 $124.99 10% Off
Saddle up and carry more Safely carry your ride essentials through rough and rugged terrain with the Adventure Seatpost Bag. Two buckles around the saddle rails and a hook and loop closure make this bag easy to mount and extra secure. Zippered side entry offers easy access to this bag's 9L of capacity, and an additional bungee cord and strap up top makes it easy to quickly stow a rain jacket, extra layer, and more. A durable saddle bag that installs quickly and securely and features an easy-access side zipper so you can carry more on your bike. - Roll-top closure with secure buckle keeps your gear safe and dry - Two nylon seat rail buckles and single seatpost strap provide secure attachment - Zippered side entry offers easy access - Removeable internal poly frame maintains bag shape without taking up space - Water-resistant construction helps keep your gear dry - Durable materials are made to last with additional reinforcement in high-wear areas - 9L capacity and bungee up top offers additional quick and easy storage
$31.49 $34.99 10% Off
Hide stuff here. Candy. Tater Tots. Etc. Perfect for snacks, keys and whatever else you need to make it an awesome ride. Store your stuff right under the saddle for easy accessibility. Bring some fun, flare and function to your saddle. - Fits directly underneath the saddle - Attaches via Velcro straps
$35.99 $39.99 10% Off
Key features: - Hook and loop saddle attachment firmly keeps bag connected to your bike - Low-profile seatpost attachment prevents bag from swinging while riding - Internal pockets securely hold credit cards and valuables - Loop on face of bag easily attaches clips for rear lights - Reflective elements enhance visibility for maximum safety anytime - Light and robust material holds up to elements without contaminating contents - 85 cu. in. (1385cc) capacity
$43.19 $47.99 10% Off
Key features: - Hook and loop saddle attachment firmly keeps bag connected to your bike - Low-profile seatpost attachment prevents bag from swinging while riding - Internal pockets securely hold credit cards and valuables - Loop on face of bag easily attaches clips for rear lights - Zippered expansion allows for extra storage space - Light and robust material holds up to elements without contaminating contents - 105 cu. in. (1.7L) capacity - 142 cu. in. (2.23L) capacity when expanded
$39.95
Carry just the necessities in Topeak's Medium Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.
$44.95 - $49.95
• Molded construction is light, water-repellent and aerodynamic • Hold tubes, tools and other small repair items • Easily mount to saddle rails with adhesive straps and seatpost with rubber strap • Suitable for most type of saddle rails
$32.95
Don't overstuff your jersey pockets. Simplify your load by putting your essentials in Topeak's Aero Wedge Pack. It straps neatly beneath your seat and is constructed of durable 1200-denier, Teflon-coated polyester with reflective strips and a taillight mount for nighttime safety.
$49.49 $54.99 10% Off
The essential accessories that complement a new bike are key to having the best experience. MSW Ride & Repair Kits combine all those ride essentials into one convenient, money-saving package. Available in several configurations to meet the needs of different types of riding and different types of riders. - This Ride and Repair Kit provides everything needed to fix a punctured tire. The kit includes an eight-piece multi-tool, glueless tire patch kit, three tire levers, CO2 inflator & cartridges, and a seat bag to put it all in - 50 cubic inch seat bag with hook-and-loop mounting straps - Three MSW tire levers - Eight-piece flat-pack multi-tool with 2/3/4/5/6mm hex wrenches, T25 Torx, flathead & Philips screwdrivers - Glueless patch kit with six patches, sandpaper, instructions - Windstream Push-On CO2 inflator head - Two 20g CO2 cartridges
$34.95
Carry just the necessities in Topeak's Small Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.
$29.69 $32.99 10% Off
Key features: - Hook and loop saddle attachment firmly keeps bag connected to your bike - Low-profile seatpost attachment prevents bag from swinging while riding - Internal pockets securely hold credit cards and valuables - Loop on face of bag easily attaches clips for rear lights - Reflective elements enhance visibility for maximum safety anytime - Light and robust material holds up to elements without contaminating contents - 57 cu. in. (940cc) capacity
$39.95
• Molded construction is light, water-repellent and aerodynamic • Hold tubes, tools and other small repair items • Easily mount to saddle rails with adhesive straps and seatpost with rubber strap • Suitable for most type of saddle rails
$103.46 $114.95 10% Off
- Adventure ready saddle mounted removable drybag and holster system - Includes waterproof carry bag with air release valve to keep gear dry and compact - Bag easily slides in and out of holster without having to remove from bicycle - 15L measures 19.7
Page 1 of 3 Next page