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  • Arundel Sideloader Water Bottle Cage
  • Arundel Sideloader Water Bottle Cage
  • Arundel Sideloader Water Bottle Cage
  • OptionsArundel -
  • Arundel -
  • Arundel -
ArundelSideloader Water Bottle Cage
Sale 20% Off$51.98 - $58.46

Item # ARU0007

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  • Silver, One Size ($51.99)
  • Matte Black, One Size ($58.46)
  • Oil Slick, One Size ($51.98)
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Item # ARU0007

Stay hydrated.

Small bikes and compact frames of all sizes have long been troublesome with their difficulty in allowing you to pull a bottle from a water bottle cage. There are oftentimes such little space in between the top of the bottle and the bottom of the top tube that it's nearly impossible to get a bottle out of the cage (especially on the seat tube but also on the downtube) without forcing you to wrench it sideways from the cage and unintentionally almost ripping your cage off the frame in the process. The Arundel Sideloader Water Bottle Cage was designed specifically to address this. Rather than forcing you to pull (or attempt to pull) your bottle fully upward, its minimalist profile allows you to pull the bottle up just a bit, then to move it outward to prevent the top of the bottle from smacking the bottom of the top tube. And, truth be told, the cage has such a neatly sculpted shape that many folks choose the Sideloader for looks alone. It fits any size bottle -- tall or short. It's available in Matte Black, Oil Slick, and Gloss carbon with two different decal colors -- Red or Silver.
  • Side entry cage eliminates issues with low-clearance frames
  • Carbon construction is lightweight and also stiff for bottle security
Tech SpecsWeight
Tech Specs
carbon fiber
road bikes, mountain bikes
Recommended Use

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead



Silver, One Size
Matte Black, One Size
Oil Slick, One Size

Reviews & Community


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A must for my bike!

  • Familiarity: I've put it through the wringer

I recently got a Santa Cruz 5010 and my water bottle cages would not work due to frame design. I reached out to a Gearhead and they pointed me into the direction of this. They were not wrong. I will be using these cages on all mountain bikes from here on out! They hold tight on the local gnar and senders, and the best part is I can get my bottle in and out when I need it.

Perfect for your MTB

  • Familiarity: I've put it through the wringer

I got this to put on the downtube of my new MTB. Fits perfectly and allows to me carry a bottle and not have to wear a pack. I haven't had a bottle fall out as this cage really hangs onto it. Worth the extra money for sure.

Solid Cage

  • Familiarity: I've used it once or twice and have initial impressions

I only have initial impressions but it does what it's intended to. Holds most size bottles really well and looks great while doing it.

Side load 'em if you got 'em

    If you need a side loader, want lightweight and are OK with carbon these do the trick. Many compact geometry frames can benefit from side loaders. The finish surprised me. I got the "oil slick" described as glossy on the mfgr's website...and they are glossy, kinda, but not all over. They're glossy on the inside and a kind of hybrid gloss/ matt on the outside.I don't really care anymore, you'll forget about it too after they're installed. But I wasn't satisfied when I first got them. Now I hardly notice. How do they work? They work fine.

    Impressive Retention

    • Familiarity: I've put it through the wringer

    Once I upgraded to a piggyback shock on my MTB, the side loader was a must. I was skeptical about retention when ordering but I've been using this cage racing enduro through the chunkiest, gnarliest, terrain you can imagine and sure enough, there my bottle sits for a cold sip at the bottom of the stage. Pulling the bottle is easy but returning takes a little practice since the cage holds the bottle so tight. If you've got a special bottle like I do, you can trust this cage to hold on to it forever.

    Low Profile

    • Familiarity: I've put it through the wringer

    If you're running a bigger shock and are limited on space this is a great option. This was the only cage I found that would accommodate a water bottle for the HD4.

    Put your bottle in it

    • Familiarity: I've used it several times

    Solid lightweight cage. It works well on my mountain bike, where the shock prevents me from using a traditional style bottle cage. It's very well made and can definitely take a beating.

    Unanswered Question

    What is the dimension (mm) between the points in the attached image? My frame is a tight fit and I am looking for a sideloader cage that can be mounted low.

    Expensive but so worth it

    • Familiarity: I've put it through the wringer

    Great for smaller frames or if you are running a frame bag. Holds bottles securely over the roughest terrain makes these cages worth every penny.

    Excellent Cage

    • Familiarity: I've put it through the wringer

    Very little to add to the other reviews. This cage is the business for full-suspension mountain bike frames. it weighs very little, and is strong and durable. Pull the bottle out sidways and throw it back in any way you please. the Sideloader will grab the bottle and hold it tight.

    easy access

    • Familiarity: I've put it through the wringer

    Arundel cages are my first choice in carbon cages. They will allows hold your bottle with the grip of King Kong and they look great also. The Sideloader and Othersideloaders are perfect for small frames or easy access on the mountain bike. I would not pick another carbon cage for any of my builds.

    Stylish and Functional

      Carbon fiber construction means this versatile cage is lightweight and stylish. My wife prefers to use her left hand to grab her bottle so she uses the Sideloader on top of the downtube. Her size small frame and suspension linkage would make most bottle cages feel cramped. Not so with the Sideloader. The bottle is easy to grab when she needs a drink and holds securely when she doesn't.

      I have a 48 frame, and the camelback valves are now to big fit onto the seat post cage. I own a side loader cage already but need the cage to sit lower on the seat post. Will this cage do the trick?

      It depends on exactly what you have right now; but being that these are designed to specifically work on smaller frames, it's worth a shot! I would be very confident that this would resolve your problem.

      Bradley Gehrig

      Customer Account Manager

      Office: 801–204-4541


      Competitive Cyclist




      All hail to the sideloader

      • Familiarity: I've used it several times

      The side loading cage is really awesome--so glad I came across it when I was looking at fitting my new bike. The reviews on this one were really encouraging so gave it a go and am really pleased I did. It just makes getting to that water bottle so much easier as well as returning it. I think you might also be able to fit in a larger water bottle with the side entry. Liked it so much that I got a sideloader for down tube.

      Does what it says

      • Familiarity: I've put it through the wringer

      Very good bottle cage easy in and out not the lightest cage but close. Much easier to get bottles in and out than standard cages great for smaller frames and odd shaped mountain bikes

      it's all the cage

      • Familiarity: I've put it through the wringer

      First bottle cage I’ve used in 10+ years. Aesthetically, it disappears into my HD3’s frame, and is super accessible while on the move.

      You have any trouble losing bottles out of these? I've been spitting bottles out of cheaper plastic cages (Bontrager RL, mostly) and I'm looking to upgrade as much for security as for the tight clearances on my new carbon frame.

      Hi Jeff,
      Expect this cage to hold bottles over any terrain you ride on. This is one of the best cages out there for smaller frames or full-suspension frames with tight clearance for a bottle.

      Fantastic Bottle Cage

      • Familiarity: I've used it several times

      Purchased both the left and right handed cages for my bike. I've had trouble in the past fitting bottles on my bike because the frame is just so small, but with these cages not only can I fit two bottles on, but I can fit two normal size bottles with zero issues. Would highly recommend this product. Great quality and a good value.

      Great Design

      • Familiarity: I've used it several times

      Bought both left-and right-handed cages. Left-handed one goes on the seat tube & becomes right-handed. A great design and easy to use. I have a medium (55cm) frame and really like how effortlessly the bottles come out and how well the cages hold them in place. A good value when they are on sale.

      Ridiculously Convenient

      • Familiarity: I've put it through the wringer

      I ride a small frame size (51cm on my current road bike) and with normal cages can't really fit anything larger than a 16oz bottle, and sometimes those are a tight fit. Having side access makes it way, way easier to stay hydrated on long rides here in the 90+ degree Ohio summer.

      Ridiculously Convenient