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ROCK BROS Bike Rack Bag Bicycle Bag Trunk Rear Rack Bag Bike Panniers …

Original price was: $45.99.Current price is: $37.99.


MULTIPLE COMPARTMENTS & EXTENSIBLE DOUBLE SIDE POCKETS: 13L Maximum capacity bike trunk bag main compartment with a removable board, and some inside pockets to help with a bit of organization for small things. Fold-out pockets on each side for expanded capacity to hold a lot of side items and incidentals. For a day ride or daily commute, this is a good choice
STABLE CONSTRUCTION & PROTECTION: Thicken foam pad fills the inside bottom and sides of the trunk bag for holding its shape and protecting your items. It will not collapse to one side or the other even if nothing is in it
PORTABLE: Package with the rain cover and the carry strap. You will want to take this trunk bag with you if you go on a stroll and don’t need to worry about it being stolen. The water bottle holder with adjustable drawstring design are helpful for avoiding the water bottle fall out on a bumpy ride
REFLECTIVE STRAPS & COMPATIBLE WITH TAILLIGHT FOR SAFETY: Reflective straps on the bike luggage bag provides good visibility, the strap at the back for attaching rear light. You’ll want to add some reflective items to ensure your safety if you’re a night rider
EASY TO ATTACH & STAYS IN PLACE: 2 straps on the front of the rack, the 2 long straps going across the rack as well as 2 fixed buckle, it’s fastened securely to the rack and doesn’t shift. Bike rack bag fits for any racks, such as fat bikes, e-bikes and other commuter bikes


Price: $45.99 - $37.99
(as of Jul 27,2025 13:49:15 UTC – Details)



MULTIPLE COMPARTMENTS & EXTENSIBLE DOUBLE SIDE POCKETS: 13L Maximum capacity bike trunk bag main compartment with a removable board, and some inside pockets to help with a bit of organization for small things. Fold-out pockets on each side for expanded capacity to hold a lot of side items and incidentals. For a day ride or daily commute, this is a good choice
STABLE CONSTRUCTION & PROTECTION: Thicken foam pad fills the inside bottom and sides of the trunk bag for holding its shape and protecting your items. It will not collapse to one side or the other even if nothing is in it
PORTABLE: Package with the rain cover and the carry strap. You will want to take this trunk bag with you if you go on a stroll and don’t need to worry about it being stolen. The water bottle holder with adjustable drawstring design are helpful for avoiding the water bottle fall out on a bumpy ride
REFLECTIVE STRAPS & COMPATIBLE WITH TAILLIGHT FOR SAFETY: Reflective straps on the bike luggage bag provides good visibility, the strap at the back for attaching rear light. You’ll want to add some reflective items to ensure your safety if you’re a night rider
EASY TO ATTACH & STAYS IN PLACE: 2 straps on the front of the rack, the 2 long straps going across the rack as well as 2 fixed buckle, it’s fastened securely to the rack and doesn’t shift. Bike rack bag fits for any racks, such as fat bikes, e-bikes and other commuter bikes

Customers say

Customers find the bike bag fits well on bike racks and appreciate its roomy design with side pockets and expandable capacity. The bag is well-made, stays securely in place after multiple rides, and is easy to attach. They like its appearance and consider it good value for money.

10 reviews for ROCK BROS Bike Rack Bag Bicycle Bag Trunk Rear Rack Bag Bike Panniers …

  1. Skip

    E-bike rear bike rack bag
    Bag fit well on the Cannondale rear bike rack. Lots of room and side saddle bags for small items. Rear water bottle holder works well. Durable

  2. Biff Worthington

    Great useful bag
    A well designed rack bag. Roomy sturdy and stable .easy to setup and remove. Not much for security as standard but can be done. All straps and zippers are strong. Overall another good product from this company. Well pleased.

  3. Dave

    Good, but tall.
    This is a quality “trunk” for your bike. Thickly padded main compartment is great for storing an extra jacket. I’d like to see it have a lower profile: it’s hard to get my leg over it. The fold out side bags are much thinner than the main side pockets. That’s probably okay, but nice to know what you’re getting.

  4. Dorisz

    Great bag
    Perfect for my ride to work. I live close to work and prefer to ride my bike. This fits perfectly on my rear rack. Easy to install. Nice reflective strips on bag. Panniers work great for 20 oz bottles. Carry my lunch and essentials in main part. Nice looking too. Highly recommend.

  5. CM

    Great Choice
    I’ve had bike bag and never use it. This one is easy to fasten, large enough for folded tarp and book, great stretch cords on top to hold my lunch bag, and even a small pocket on the back when I remove my sunglasses! Only concern is how long the zipper will last. And velcro at front is a bit short, but it still worked.

  6. KBN

    Well made and useful bag
    I love this bag! There are many compartments and it holds a lot. I use it to hold drinks, snacks, repair kit, phone, small hand towel, money, lock, etc! The velcro straps are easy to attach and detach from my bike rack and it stays secure. I do not use the water bottle holder on the back as it’s not wide enough for anything but a standard disposable water bottle, so that feature is useless for me.

  7. Dirtfriend

    Great bike bag
    Perfect bag for my comfort e-bike. With the pannier style extra storage and straps this bag is great for many adventures. The bottle holder is a real plus since many step through bikes are difficult to mount a cage.

  8. Roy Massie

    Excellent versatile bag
    I’ve used this bag a lot over the past year on my hybrid bike for trails, beach and road rides. It is very well made, installs easily and stays secure. I gave not used the panier bags but it’s nice having them just in case. Buy this bag.

  9. I bought CarLock from Australia – it turns out it does not work in Australia. Lost my money on this shocking scam

    Great rack bag – wish it had reflective on the rear. But really good quality.

  10. Shezwa

    Great for carrying your bike locks, water bottle or a few items from the shops

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