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
  • Show More Sizes
  • Show Fewer Sizes
  • Show More Model Years
  • Show Fewer Model Years

Commuter

$37.99
The X-Blade 27.5+/29-inch is a high-quality 2-component clip-on fender for the rear wheel of a 27.5+/29-inch mountain and trekking bikes. Due to the quick-release mounting, the fender can be fitted to almost any seat post and optimally adjusted to the wheel using the 2-joint technology. - High performance dual compound plastic - Easy quick-release-fastening by pre-adjusted powerstrap - 2 joints for optimized adjustment to all frames - Optimized dirt protection - 27.5+ and 29-inch wheel compatible
$7.36 - $39.52 $7.36 - $46.49 Up to 15% Off
- 115 decibel horn with volume control switch - Mounts to most handlebars - Air reservoir is easily refilled with any bike pump - no batteries needed - Extension allows for more versatility when mounting
$21.00
Just the thing for rainy weather, the Portland Design Works minimalist Origami Rear Seatpost Fender attaches to a clamp-on bracket you mount to your seatpost. And it packs down so you can easily store it when not in use. - Length: 445mm (7.5") - Weight: 160g (5.6oz)
$37.99
The Shockblade 27.5+/29-inch is a clip-on front, high-quality 2-component fender for mounting on the fork of 27.5+ and 29-inch mountain and trekking bikes. - Virtually unbreakable high quality dual compound plastic - Hidden chuck cone adapter which is fitted once during first assembly - Easy quick-release fastening - Optimized dirt protection - Fits almost all suspension forks - 27.5+ and 29-inch wheel compatible
$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.
$24.99
SKS's S-Blade rear fender attaches easily to almost any road bike seatpost, protecting you from road spray and letting you ride through the wet.
$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.
$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
$22.95
B-RAD, which stands for Bottle Relocation and Accessory Device, is a system for organizing on-bike accessory storage using bottle cage mounts. Used alone to shift bottle cage location for clearance, or combine with other B-RAD accessories to carry tools, tubes pumps or a 2nd bottle on downtubes. - Three slots for additional adjustments over the B-RAD 2 base - Compatible with triple bottle mounts on forks or frames, use neoprene pad and zip tie for use with standard bottle cage mounts
$22.99
No matter the conditions, stay dry and clean with SKS's X-Tra Dry rear fender! It's super light and nearly unbreakable so you know it's ready for the miles, on road and off. Plus, it works with most bikes thanks to its easy-to-adjust seatpost mounting strap.
$24.99
Turn your bike into an all-weather vehicle with SKS's Beavertail Fender Set! The robust steel brackets provide safe and easy mounting, and the front fender works with most suspension forks.
$20.00
Suitable as a tourniquet or stylish headband in a pinch, the Whip Lash's primary function is to help you attach whatever needs attaching to your bicycle frame. Available in a multi-pack that includes two 550mm lashes and one 695mm lash, the Whip Lash's potential is limited only by your imagination. You could use one to strap your beverage to the down tube when the trail says you ought to keep your hands on the bars. Or you could use another to fix your fishing gear to the top tube when rack space is maxed out. Whatever you get into on or off the bike, they're handy to have around because they're light, compact, and easy to use. Rubberized on one side to keep your stuff from slipping around, the Whip Lash's trimmable design features nylon construction and a simple hook-and-loop style closure.
$33.50
Surly's Dummy Rail Collars are nothing more than a simple clamping device that buttresses the connection between your Big Dummy Frame and the Dummy Rails. They increase the stiffness of the interface of these two parts and help keep your cargo from getting its salad tossed… unless of course your Dummy Bags are filled with tossed salad. These are designed specifically for use with the Big Dummy frame and Dummy rails, and will not work with Xtracycle rails. WARNING: Properly installed Dummy Rail Collars are required for carrying live cargo on your Big Dummy.
$26.00
The LTD Mirrycle Mirror quickly attaches to Bontrager Isozone handlebars using the supplied wrench. It has a convex mirror for a wide field of view to help you clearly see approaching traffic. And the mirror easily adjusts to your optimum viewing angle.
$24.95
Topeak's DeFender M1 front fender offers durable rain and mud protection on wet and sloppy rides for your 27.5- or 29-inch wheeled bike. It's incredibly light and easy-to-use, too. The M1 installs easily to any standard fork, even reverse arch designs and seamlessly integrates with the front end of your bike. The quick-release attachments allow the DeFender to be installed and removed in seconds.
$24.99 - $34.99
Retro Mirror Sprintech Single Mirror. Works with all road handlebars by attaching to the bar end using its simple retrobike install. Allows you to see traffic from behind without having to look over your shoulder. Expands your visual field without shifting head or body to see behind you. As reliable as a car's rearview mirror! Placed on the left side of the handlebars, the Sprintech rearview mirror is easy to install. Simply remove the cap from the end of the handlebar, insert the connector plug, and attach the Sprintech rearview mirror. Once installed, simply adjust to the desired position. Available in five colors: Black, White, Red, Yellow, and Blue. Also available in pairs!
$49.99 - $58.49 $49.99 - $64.99 Up to 10% Off
Foul weather is about to lose its sway over your two-wheeled adventures. Banjo Brothers' Waterproof Pannier is tailor-made for wet commutes and trips around town. The rugged nylon exterior fends off wear and tear while the welded-seam liner and roll-top closure keep the contents dry. It attaches easily to most rear racks (sold separately) via a quick-release mount so you can pop it off and bring it with you. And if you're riding in the rain, the reflective accents bring a little extra visibility and peace of mind.
$34.99
Front Fender: • Front fender made of durable all-weather polymer • Mounts to most suspension and rigid forks • Fits oversized tapered steer tubes along with small and standard sizes. (18.5-34.5mm ID) • Extra-wide profile for 3-5" wide tires Rear Fender: • Minimalist seat post fender made of durable all-weather polymer material • Quick-release mount snaps on and off in seconds • Wide profile design • Features an adjustable fender angle to fit most bikes • Extra wide profile to fit 3-5" tires
$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"
$22.95
Topeak's DeFender RX rear fender offers durable rain and mud protection on wet and sloppy rides. It's incredibly light and easy-to-use, too. The quick-release seatpost attachment allows the DeFender to be installed and removed in seconds.
$29.99
Look back at it Add a touch more personality and a touch more safety. Install, adjust and ride. It's that easy. Objects in mirror are more awesome than they appear. - Can be adjusted for use on right or left side of handlebars - Designed to fit on capped open-ended grips - Mirror dimensions: 10cm wide x 6cm tall x 10cm long arm
$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
$19.35 - $21.50 $21.50 Up to 10% Off
Our Trail Bell announces your presence while letting you keep both hands firmly on your grips and goes silent with just the flick of a switch. Fits all handlebars from 22.2 to 31.8mm.
$26.99 $29.99 10% Off
For the kids, or just the kid in you. Store almost anything in these easily attachable handlebar bags. From their juice box, to your keys. Unique designs add flare to any ride. Instant bike rack cred. - Handlebar mounted with Velcro straps - Velcro Lid - Reflective elements - Cargo capacity: 60 cu in (1L) - Dimensions: 20cm (l) x 7.5cm (w) x 13.5cm (h) - Fiber content: Shell: 100% Polyester, Lining: 100% Polyester - Weight: 65g
$40.49 $44.99 10% Off
Convenience is calling. Answer! This bag is a must for anyone with a phone. So, everyone. Sized so your phone will stay secure even on your bumpiest rides. Keep you and your phone safe while riding. - Clear touchscreen-compatible pocket fits phones up to 6.5-inches (16.5cm) - Velcro attachment to top tube - Cargo capacity: 30.5 cu in (0.5L) - Dimensions: 16cm (l) x 8cm (w) x7cm (h) - Attachment: Hook and loop strap - Fiber content: 100% Polyester
$26.99 $29.99 10% Off
For the kids, or just the kid in you. Store almost anything in these easy-to-attach handlebar bags, from their juice box to your keys. Unique designs add flare to any ride. Instant bike rack cred. - Handlebar mounted with Velcro straps - Velcro lid - Reflective elements
$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
$22.49 $24.99 10% Off
Beep boo boo bop. Store almost anything in these easily attachable handlebar bags. From their juice box, to your keys. Unique designs add flare to any ride. Instant bike rack cred. - Handlebar mounted with Velcro straps - Reflective elements - Cargo capacity: 60 cu in (1L) - Dimensions: 20cm (l) x 7.5cm (w) x 13.5cm (h) - Attachment: Hook and loop strap - Fiber content: Shell: 100% Polyester, Lining: 100% Polyester - Weight: 65g
$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
$26.99 $29.99 10% Off
Sleek water bottle shaped organizer that fits into standard bottle cages. Internal compartments, including one zippered, organize small cycling essentials—including tire repair, snacks, personal items and more. It features a soft, semi-rigid shell that’s durable and water resistant. A full zipper allows for a full 180° opening, providing easy access and better organization. Its all black design, with black logos, matches with all styles of bicycles.
Page 1 of 8 Next page