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- Parts & Accessories (32)
- Cargo Trailers (3)
- Child Trailers (11)
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Trailers/Strollers

$29.99
Tool-less, 3-position training wheel installation/removal system.
- Closed-cell foam tires
- Tubular steel arms
- Compatible with 2013-present Hotrock 20-inch models only

$58.00 - $65.00
Purchase our Kid Trailer axle for your bike, and share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure.
Robert Axles for Kid Trailers are designed specifically to fit your 12mm thru-axle bike and allow attachment of any hitch-mounted trailer. These fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet, and cargo trailers such as Thule, Chariot, Burley, Instep, Carry Freedom, and many more.
- The axle shaft and axle end are precision CNC-machined.
- The axle shaft is 7075 aluminum and hard black-anodized for rugged durability.
- The stainless steel axle end allows for mounting of the hitch provided with your trailer.
- Hardware for attachment of the hitch is included; the hitch, itself, is not.
- No special tools required. Design allows for wheel installation and removal using your standard 5mm hex wrench.
- Designed, built, and quality tested in the USA. Proven around the world.

$19.99
Replacement bicycle trailer hitch for Model A & Model T Bicycle Trailers
- Compatible with Model T Bicycle Trailer

$479.95
For a seamless solution to biking and strolling on the go, the Honey Bee easily converts from a lightweight, two-seat bike trailer to a convenient walking stroller.

$225.00
$290.00
22% Off
• ASTM approved for towing 2 children up to 100lbs
• Quick-release mount fits both disc brakes and regular bicycles
• Padded seat with 5-point harness keeps kids secure
• Pockets, toy tethers and rear storage area for all your gear
• Flattens in seconds for easy transportation and storage
• Rugged steel frame and wheels
• Reflective stitching for high visibility
• Tinted cover removes easily

$150.00
$290.00
48% Off
A $50 deposit holds the a rental trailer for pick up after Nov 1st 2023. The trailers will be cleaned and in good working order when they are ready for pick up. Call Mill Race Cyclery at (630) 232-2833 to reserve your trailer.
• ASTM approved for towing 2 children up to 100lbs
• Quick-release mount fits both disc brakes and regular bicycles
• Padded seat with 5-point harness keeps kids secure
• Pockets, toy tethers and rear storage area for all your gear
• Flattens in seconds for easy transportation and storage
• Rugged steel frame and wheels
• Reflective stitching for high visibility
• Tinted cover removes easily

$49.95
Thule's Axle Mount ezHitch enables you to attach any Thule bicycle trailer or bicycle compatible child carrier (sold separately) to the rear axle of your bike.

$69.95
Thule's Bike Trailer Thru-Axle Adapters replace your 12mm rear thru-axle to let you connect your bike trailer to the bicycle.

$79.95
Padded sides and head support to ensure your baby sits comfortably upright. (Age 6-18 Months)
Features:
- Adjustable head support to accommodate growing children
- Removable head support for wearing a helmet while riding
Compatibility
- Thule Chariot Sport, Thule Chariot Cross, Thule Chariot Cab, Thule Chariot Lite, Thule Chariot Cheetah XT, Thule Coaster XT, Thule Cadence, Thule Chariot Corsaire, Thule Chariot Cheetah, Thule Chariot Cougar, Thule Chariot CX, Thule Chariot Captain, Thule Urban Glide 2, Thule Urban Glide 2 Double, Thule Glide 2

$129.95
Padded sling for your baby's lateral support and maximum stability. (Age 1-10 Months)
- Simple and easy installation
- For infants 1–10 months old

$149.95
Convert your Thule Chariot into a high-performance jogging stroller.
- Simple installation by clicking the kit into Thule VersaWing
- Convenient tracking adjustment to make sure the carrier tracks straight
- Includes pocket for easy storage of the jogging wheel when not in use

$349.95
Convert your Thule Chariot multisport trailer into a cross-country ski pulk.
- Includes two lightweight skis, two telescoping aluminum tow bars, padded waist belt with bottle holder and locking pin
- Adjustable length of tow bars for ease of use
- Child is off the ground for warmth and comfort
- Simple installation by clicking the kit into Thule VersaWing

$799.95
The versatile bike trailer for active family life
Load up your family and gear for any destination with Thule Courier – a safe and comfortable bike trailer for up to two kids.
Commuting made easy
It’s a great bike carrier – and a great stroller. No compromises made. Thule Courier comes with two strolling wheels and a premium Thule bike trailer kit for easy commuting.
Flexibility for any family outing
Thule Courier is a versatile bike trailer for all types of families. This durable carrier is perfect for long rides as a family or for quick trips into town with its roomy cockpit for two children. It’s great for commuting and taking kids to school – and when you arrive, it easily converts into a stroller with compact wheels for maneuvering in crowded areas and a fully adjustable handlebar for parents. This comfortable bike carrier also features the option to fully convert into a cargo trailer and more.
Great cargo space
Thule Courier can also easily convert into a cargo trailer. With a durable and sturdy cargo floor and integrated attachment points your gear stays secure at all times.
Room for your four-legged friend
Want to bring your puppy for the ride? You can! The optional dog trailer kit (sold separately) transforms Thule Courier into a trailer suitable for your dog. With an included soft dog bed and a roof cover with integrated rain cover you can include your best friend in your outdoor adventures.

$149.95
Make room for your dog
Thule Courier Dog Trailer Kit provides a safe and comfortable ride for your dog. It makes your trailer even more versatile, making it easy for you and your four-legged friend to live an active life outdoors and discover exciting new places together.
- Converts your bike trailer to a dog trailer
- Spacious cockpit with large windows
- Folds down flat for easy storage

$69.95
Thule's Thru-Axle Hitch Adapter enables you to attach a bicycle trailer conversion kit (sold separately) to bicycles with a rear thru-axle.

$815.00
Surly's Bill Trailer is brilliantly engineered to carry almost everything! This seriously stout workhorse is built from chromoly with stainless-steel hardware for excellent durability and it rolls on quality 16-inch wheels and tires. There are even fenders. The trailer sits perfectly level as you ride, so even heavy and bulky items stay secure. You can tote up to 300 pounds of whatever on this bad boy! So go ahead, run all your errands by bike — you'll be smiling when you get back home. Please note that the required Surly hitch for this trailer is sold separately.

$325.00
Some of you people just can't get enough hauling done with your Big Dummy or your Surly trailer. Well, nutball cargo haulers, here is your solution: The Big Dumb Trailer Hitch. This handy piece replaces the wheel yoke of your Surly Bill or Ted trailer and inserts into the horizontal tubes on the non-drive side of your Surly Big Dummy cargo bike, thereby making it possible to haul your trailer using your cargo bike. Wow. I'm not really sure what to say here. Good for you, I guess? I hope your hemorrhoid surgery goes really well.
Note: Big Dummy Hitch is not compatible with the Big Fat Dummy

$36.00
This is our Excellent Adventure Thru-Axle. It upgrades your bike's rear end for hauling cargo trailers, should you feel like taking Rufus along on your errands. Extensive product testing with our Bill and Ted Trailers provided an "awesome experience," but time travel remains a risky endeavor.
Designed for use with slotted horizontal or vertical single-position dropouts, the Excellent Adventure Axle is compatible only with 12 x 148mm hubs.
Compatible Surly models include Skid Loader, our compact electric cargo bike, as well as Karate Monkey, Krampus, Grappler, Ogre, Lowside, ECR, and Troll. Once again, the 12 x 148mm hub requirement cannot be overstated. Visit your local Surly dealer to discuss other scenarios you may have in mind.
- 12 x 148mm hub compatibility only
- Designed for use only with Surly's Bill and Ted Trailers
- Works with slotted horizontal or vertical single-position dropouts

$8.00
Surly Trailer Parts
- Attaches with proprietary mounting skewer (included) or proprietary mounting nuts for compatible frames (i.e. Surly Troll, Ogre, etc.)

$710.00
Surly's Ted Trailer is brilliantly engineered to carry almost everything! This seriously stout workhorse is built from chromoly with stainless-steel hardware for excellent durability and it rolls on quality 16-inch wheels and tires. There are even fenders. The trailer sits perfectly level as you ride, so you can haul longer items that extend off the back. You can tote up to 300 pounds of whatever on this bad boy! So go ahead, run all your errands by bike — you'll be smiling when you get back home. Please note that the required Surly hitch for this trailer is sold separately.

$35.00
Surly Trailer Parts
- These hitch mounts are for connecting Surly Bill and Ted trailers to any 10x1mm solid axle; they replace standard locknuts
- They also include threaded stubs for direct mount to Surly Troll and Ogre frames; these frames have eyelets drilled into the dropouts specifically for these mounts

$325.00
Surly's Trailer Hitch/Yolk Assembly is the correct hitch for Surly's Bill and Ted Trailers (sold separately). This fine chromoly hitch securely and quickly attaches to your bike using the included proprietary quick-release skewer. Or, if you have a bolt-on rear wheel, you just bolt the hitch onto your rear axle. The hitch fits most bicycles whether they feature full suspension, disc brakes, rear racks and fenders, or you name it. And it works with bicycles with wheels as small as 20 inches and as large as 29 inches, while always keeping the trailer bed level with the ground. The hitch also adjusts to accommodate rear hub widths from 120 to 145mm and allows you to align the centerline of the trailer on the centerline of the bike for easy pulling. Maybe best, the hitch lets you remove the trailer quickly and easily when you don't need it. Plus, by putting hitches on all your favorite bikes you can easily move the trailer between bikes!

$59.99
A Burley Ballz Thru Axle is required for any bike with a 12mm rear thru axle to use the Coho XC (stock thru axles are not able to accommodate any sort of axle mounted hitch system). The Burley Ballz Thru Axle is not compatible with all carbon fiber bike frames (consult manual).
- Official Burley Ballz adapter for bikes with 12mm rear thru axles
- Includes both the thru axle and Ballz hitch mounts
- Quick and easy installation
- Specially designed for use with the Coho XC

$69.95
Keep extra treats, leashes, and other essentials handy with the Bark Ranger™ Bag. Attachment points along the top of the Bark Ranger™ and Bark Ranger™ XL let you quickly and securely increase your trailer's cargo capacity. Large and small zippered pockets provide multiple storage options for you and your pet's gear while on the go.

$29.95
Ensure your pet’s trailer stays level during mid-ride breaks or pauses with The Bark Ranger™ Kickstands. Your dog will feel secure and comfortable with the added stability of these convenient kickstands.
Biking or strolling, the Bark Ranger™ Kickstand helps your dog’s trailer stay level and steady when not in motion. Easy to fold and unfold, the kickstand can be installed on the front or back of the trailer to allow for stable loading and unloading. When you pause for a mid-ride water break or stop to talk to a friend during a stroll, the kickstand provides added stability to keep your pet feeling secure and comfortable. Pro tip: use the kickstand while training to stabilize the trailer during loading and unloading to help make your pet feel more at ease!
You’ll Love –
- Compatible with Bark Ranger™ and Bark Ranger™ XL pet trailer
- Easily deploy to activate or fold to stow
- Mounts to front or back of the trailer for stable loading and unloading of your furry friends
Specifications:
- Size L x W x H (in) 11.2 x 0.9 x 3
- Size L x W x H (cm) 28.5 x 2.3 x 7.5

$39.95
The fun doesn't stop when the rain starts. Keep your canine copilot warm and dry with the Bark Ranger Rain Cover.
When it's raining cats and dogs, keep your pup dry and cozy with the Bark Ranger™ Rain Cover. Water-repellent and wind-resistant, the rain cover fits snugly over your trailer to keep the elements out. When the rain stops, the cover stows easily in the attached storage bag. Simply attach the rain cover storage bag to the accessory loops on the top of the trailer and you're ready for any surprise rain shower.
You'll Love –
- Water-repellent and wind-resistant
- Easily attaches to Bark Ranger™ accessory loops for use whenever the weather changes
- Reflective accents provide added visibility for your trailer on cloudy days and in low light
- Adjustable elastic cable keeps the cover snug against the trailer
- Stows easily in attached storage bag
Specifications:
- Coated 70D ripstop nylon
- Weight 0.5 lb / 0.25 kg

$379.95
The Burley Bee, our original bike trailer, is a long-standing family favorite for biking with children. With UV-protected windows, front and rear reflectors, and a 5-point harness system, the Bee takes both safety and comfort seriously.
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