Skip to content
by Two Wheel Gear

Dayliner Handlebar & Trunk Box Bag (20 L)

Rating: 4.5 out of 5.0
Select Color

Handlebar bag, meet trunk bag.

This 4-in-1 shapeshifter is your primary carry-almost-anything bike bag. Attach it to any standard front or rear rack with heavy-duty velcro straps, drop it in any bike basket or securely mount it to handlebars with the quick slide attachments. Total utility for commuting or weekend adventures.

*Receive 2 FREE Tack Straps to upgrade your handlebar mounting straps when you purchase any new AlphaDayliner or Dayliner Mini Handlebar Bag.




Dimensions: 14.5" Wide x 7.5" High x 9" Deep

Volume: 20 Liters

Weight: 1.87 lbs / 0.85 kg 

Material: TPU Waterproof Backed 600D Polyester



Versatile and easy to use.

Secure buckles and then use the adjuster to tighten the cord around the stem.

Secure velcro straps around the bottom of the rack. For additional security, you can clip buckle straps through the rack on either or both ends.

Dayliner Box Bag Mounting




- 4-in-1 functionality
- Attaches to front or rear rack, handlebars, or basket
- Secure + fast attachment to standard racks 
- Hidden handlebar mounts and stem stabilizer line 
- Roll-Top closure with internal organization
- Exterior quick access pocket
- Removable shoulder strap
- Reflective design with loops for lights
- Includes fluorescent waterproof cover


    Front Rack, Rear Rack, Handlebar and Messenger Bag.

    This bag goes everywhere.

    Take a closer look at our Dayliner Box Bag

    Carbon-neutral shipping with Shopify Planet
    Carbon-neutral shipping on all orders
    Powered by Shopify Planet

    Customer Reviews

    Based on 20 reviews
    Great Commuter Bag

    I was looking at the garment bag as a replacement for a bag I bought eons ago. While the garment bag was on backorder, I decided to look into this bag. I was honestly concerned that I would not be able to fit my size 13 shoes in, much less the office wear and toiletries. To my surprise, all fit with room to spare. So long as everything is wrinkle resistant, one can roll up clothing and pack snugly. The straps work really well and using them as an additional attachment point to the bike helps keep the load steady. When secured, this pack stays in place and has kept my things dry after a morning ride through a leftover rainstorm. All in all, I am very impressed with this bag. I just wish I had purchased it earlier!

    Very cool Patrick. Appreciate all the insights. Honestly surprised the Dayliner worked as a replacement for the garment pannier but I am quite pleased to hear it! Thanks for riding with Two Wheel Gear. All the best!

    Becky R.

    I love this bag! I got it in grey and it looks great. It holds everything I need and I like the pockets on the inside for a bit of organization. So far I've just used it on my rear bike rack and it was super easy to strap on and off. It's got a rain cover in a pocket that I haven't had a chance to use yet, but I'm sure the opportunity is coming. I think the only think I'd add would be another exterior pocket. Right now I keep my work badge in the rain cover pocket so I can badge into the bike cage at the office, but it would be nice if there was an exterior pocket for the few things I might need quick access to like badge, wallet, and phone. Overall, really well constructed and great bag though!

    Hi Becky, thanks so much for your kind review! We're thrilled to hear that you love our Dayliner Handlebar & Trunk Box Bag. It's great to know that it was easy to attach to your bike and that you appreciate the internal pockets for organization. We're glad to hear that the rain cover pocket is a useful feature and we will definitely consider your suggestion for an additional exterior pocket. Thank you for your feedback and happy cycling!


    Bought the bag and went straight to the grocery store. Held an impressive amount. The roll down top is forgiving if you buy too much. So much better than a backpack!! Fits well on my I-rack. Pretty simple off and on and nice carrying handle options. I will never use it on the front so would prefer to have another pocket on that side where the fasteners are. But overall I’m happy.

    Jacki J.
    Just what I needed

    Love this bag!
    Holds heaps of stuff!
    Makes my commute to work better!

    old commuiter from Northern California
    Almost perfect

    Great quality and versatility. Holds way more than most trunk or handlebar bags. The roll top is great and easy to use. I ride an e-bike and the handlebars are too busy with other stuff so I've only used this as a trunk bag. The main drawback is in securing the bag my rack.. Getting the velcro straps tight is a real PITA. But I liked this bag so much I devised a magnetic base for my rack so I can easily slide the bag on and secure it. All in all a great bag and I use it all the time.

    30 Day Guarantee

    Try out your new saddle bag for up to 30 days. If it doesn't work with your commute for any reason, ship it back for a full refund.

    About Our 30-Day Guarantee

    Free Shipping

    Receive free UPS Ground service shipping on all orders over $100 in the lower 48 states.

    Discover Our Free Shipping Offer

    2 Year Warranty

    We guarantee all products to be free of defects in material and workmanship for 2 years starting from the date of purchase.

    Our 2-Year Warranty Coverage