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

$53.99 - $62.99 $59.99 - $69.99 10% Off
A secure, direct-mounted saddle bag with quick connections for the Blendr Fendr and rear lights - Quickly connect Blendr Fendr and rear lights with purposeful mounts in seconds - Two internal pockets reduce rattling and hi-vis material makes it easy to find what you need - Made with durable, soft, and water-resistant nylon with an easy to use zipper - Integrated design that mounts directly to compatible saddles with 2 m5 hex bolts - Compatible with Aeolus, Verse, Boulevard, and Commuter saddles. Not compatible with RSL-level saddles - Included: bag, mount, spacer, one pair of short bolts, and one pair of longer bolts
$84.95 - $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
$29.99 $34.99 14% 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 - Cargo capacity: 60 cu in (1L) - Dimensions: 16cm (l) x 8cm (w) x7cm (h) - Attachment: Hook and loop strap - Fiber content: 100% Polyester
$29.99 $34.99 14% 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
$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
$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
$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
$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
$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
$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
$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
$28.95
Xlab's Mezzo Bag is the perfect seat bag for carrying and protecting your spare tubular tire (or 2 tubes), your inflator, and other essential repair items. The bag features a large main compartment and a zip pocket on the outside for easy access. It's made from tough woven nylon. It's easy to install with the hook-and-loop and buckled straps, and it works with both standard and aero seatposts.
$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.
$34.95
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.
$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.
$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.
$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.
$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
$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.
$29.95
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.
$35.96 $39.95 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.
$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.
$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
$116.95 $129.95 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
$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
$49.46 $54.95 10% Off
Topeak's SideKick Wedge Pack features a unique, positive locking 2-piece mount that makes attaching and removing the pack a snap. Its unique side-opening design makes accessing your gear quick and easy and you'll have plenty of room for carrying tubes, a C02 pump, wallet, keys and whatever else you need. For low-light conditions, a 3M reflective strip adds safety and its semi-rigid construction makes the Wedge Pack durable and tough.
$40.46 $44.95 10% Off
Topeak's SideKick Wedge Pack features a unique, positive locking 2-piece mount that makes attaching and removing the pack a snap. Its unique side-opening design makes accessing your gear quick and easy and you'll have plenty of room for carrying tubes, a C02 pump, wallet, keys and whatever else you need. For low-light conditions, a 3M reflective strip adds safety and its semi-rigid construction makes the Wedge Pack durable and tough.
$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
$34.16 $37.95 10% Off
Topeak's Tri DryBag keeps your gear dry no matter the weather. Composed of water-resistant fabric, this top tube pack sports a flap that folds over the opening and prevents water penetration. It attaches via hook-and-loop straps and you'll have plenty of room for carrying your phone, wallet, tools and energy bars in this streamlined bag.
$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
Page 1 of 2 Next page