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AR Navigation Supplies MBO-2 Rotating Mountain Bike Map Holder

4.6 out of 5 stars 15 customer reviews

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  • Height adjustable to three positions
  • Bungee cord map attachment
  • Simple & stable reading platform
  • Size: 9" x 9". Weight: 8 oz
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Product Description

The MBO-2 Rotating Map Holder features a strong quick release bracket that allows easy removal and positioning. The height adjustment is made with a simple Allen key bolt allowing easy adjustment for different handlebars.

Product Details

  • Shipping Weight: 9.6 ounces
  • ASIN: B0015P71L0
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (15 customer reviews)
  • Amazon Best Sellers Rank: #556,736 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By R. Franklin on October 29, 2009
I've been running the AR Navigation Supplies MBO-2 Rotating map holder on my bike for a year or so now. It has seen it's use in 4 hour sprint adventure races to events longer than 30 hours (every event has included a section of mountain-bike orienteering). Previously I've used the AXIS map holder as well as a do-it-yourself version that I made myself. I have also used various handlebar map bags/holders. Finally, I've also raced with people who run the MIRY map board - so I've seen that one in action.

I can tell you that the AR Nav Supplies map holder wins hands-down.

There are 3 things that make a great map board for adventure racing and orienteering.

1. Rotation. Rotation is important for mountain bike orienteering because it assists the racer in orienting the map in the direction that they need to go. This aids in route choice and helps when the navigation gets decently complex. An important thing to note is that the rotation needs to be fluid - since we are flying down hills and over rocks while navigating between checkpoints you can't have the map holder rotating too easily which would mess up the map's orientation. Out of the box the MBO-2 map holder has just the right amount of rotation. It doesn't rotate too quickly nor is it too sticky when you turn the board. It is just right.

2. Durability. As an adventure racer I've taken my bike into some pretty harrowing places. Just recently I was racing in Nevada at Lake Tahoe. As the team's navigator I made a horrible mistake and as I realized what I did my heart sunk. I turned to my teammate and said, "Well, how do you feel about bushwhacking with the bikes uphill?" and he said, "How much uphill?". I did a quick check of the map and said, "900 feet elevation gain". Suck.
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I wouldn't say I'm a hardcore adventure racer, but I am a hardcore gear hound. I like to have the best equipment for whatever sport I'm participating in. I played around with a bunch of map holders before I settled on AR Nav Supplies. I found the product to be light weight, easy to install and easy to hold a variety of maps / various papers I need when racing. The company is very responsive when I had a question (regarding another product they sell). I highly recommend this item for anyone that needs to run a map on the bike. To AR Nav Supplies...if you read this...keep up the great work!
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Among the many products I use from AR Nav Supplies, the rotating mountain bike holder is the most usefull. I adventure race with my wife and we actually have two holders. They are easy to mount, can take the abuse of multi-day adventure racing, and very simply to use.

We also find ourselves using them when we are not racing and trying out a new park or territory. We put the park map on and just ride.

I also like the price.
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Okay, so this bugger cost a bit and I thought perhaps I'd regret paying so much, but it worked so great on the last adventure race we did, I couldn't believe it! Having the map right in front of me like that to see at a glance was amazing...really made the biking portion much, much more fun since we could proceed with confidence instead of stopping at every trail crossing to take out the map. We're doing a ROGAINE on bikes in August and I can't wait to get to use it again!

The attachment portion kind of worried me when I read about it online, but it's a completely idiot-proof little buckle doo-hicky that even the mechanically challenged like moi can use with ease. Love it!
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As an advid adventure racer this map platform helped tremendously. I the one race that I've used it in so far I had an issue where the platform kept rotating forward or away from me, so you'll want to make sure it's super tight, and even then you'll want to ride with it a lot before using it in a race as you'll have to re-tighten it as the grip foam on the clasp compresses even more. I'm contemplating using velcro to keep the platform sturdy and not have to worry about tightening it during the race.
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Exactly what you pay for. Fits perfect. The material is good. Only one suggestion is that you may use an additional clip to hold the map, because sometimes with the wind and the extreme movement it can fly away.

For me the size was perfect (9 inches), it doesn't difficult the road view during the ride. Was good on adventure competition.
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This is a great adventure racing product for the navigator on your team. If you're doing an adventure race where bushwhacking and navigation are involved, this is a great tool to have. It's easy to assemble and put on your mountain bike and the ability to rotate the map for ease of pinpoint accuracy makes it key on logging roads and trails during an adventure race. It's also light, which helps for longer races if/when you have to carry the bike around. The wide base gives you a lot of the map to see in one view, but surprisingly doesn't create a lot of wind resistance when biking fast. The secure mount also has keeps it locked in place on technical/fast descents. Great product for adventure racing.
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Verified Purchase
I agree with many of the positives in other reviews. Nice to have easy clip for quick mounting/dismounting and the rotating board. I didn't find the two elastic straps to be useful especially with larger maps and used binder clips instead to hold the map down. This allowed larger map with map case to be wrapped underneath securely (handing if you want to quickly reposition the map to show a later section of map that was folded underneath initially). My main problem was durability. Some portion of the mounting hardware fell apart during a race after only three races (24hr-48hr races). Sounds like this may be a bit of an anomaly but it does lower my rating.
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