would this cage be ok for holding a battery on a Ebike conversion..?

I holds a 1.5L Nalgene water bottle, which is about 3.3lbs. Four pounds would probably be okay, but most eBike batteries weigh considerably more.

what is the spacing of the holes for attaching to the bike? my bike has holes 5.5 inches apart, which is larger than the standard hole sizing.

Max spacing of existing drilled holes is 3.75 inches. However - overall length of drilled surface is 6.75 inches. So there is room enough to drill another hole in the bracket or consider adding a Wolf Tooth B-RAD 3 or 4.

would this fit two msr 30oz fuel bottles?

I'm reluctant to say NO outright, because where there's a will, there's a way. However the bottles you mention are about 3-inch diameter each, while the cage is about 4-inches across. Thus the cage will not cradle 2 bottles of that diameter side-by-side snugly. I would not buy it for that purpose. The cage does work well for single larger diameter flasks and bottles that will nest between the side rails.

Is it a blayblad are a cup holder

It has seven platypus cupholders.

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Blackburn Outpost Cargo Cage

Product ID: 13984431

Details

Brand
Blackburn
Color
Black
Material
Metal
Product Dimensions
22"L x 4"W x
Size
One Size

🎒Includes secure straps for bulky gear

🔩3 mounting hole sets for versatile frame fit

⚖️Lightweight metal design at just 4 oz

$72.52

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Description

🚴‍♂️ Gear up, strap in, and never leave your essentials behind!

SECURE CARGO STRAPPING - Integrated straps keep odd-sized bottles, bags, and clothing firmly in place during every ride.
DURABLE LIGHTWEIGHT METAL - Crafted from sturdy metal weighing only 4 ounces, balancing strength with minimal added weight.
SPORTY SLEEK BLACK FINISH - Modern black design complements any bike style, making your ride look as sharp as it performs.
LIFETIME WARRANTY CONFIDENCE - Backed by Blackburn’s limited lifetime warranty, ride worry-free knowing your gear is protected.
UNIVERSAL FRAME COMPATIBILITY - Three sets of mounting holes ensure a perfect fit on almost any bike frame, eliminating guesswork.

The Blackburn Outpost Cargo Cage is a lightweight, metal bike accessory designed with three mounting hole sets for universal frame compatibility. It includes secure straps to hold bulky or irregularly shaped items like bottles and bags, all wrapped in a sleek black finish. With a 4-ounce weight and a limited lifetime warranty, it’s the perfect blend of durability, versatility, and style for the modern cyclist.

Specifications

ASIN	B00NT4KXBA
Automotive Fit Type	Universal Fit
Best Sellers Rank	#43,890 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #80 in Bike Water Bottle Cages
Brand Name	Blackburn
Color	Black (Updated)
Customer Reviews	4.6 4.6 out of 5 stars (1,867)
Handle Type	Strap
Included Components	Bottle Cage
Item Dimensions L x W x H	22"L x 4"W x 20"H
Item Type Name	Blackburn Outpost Cargo Water Bottle Cage (Black, One Size)
Item Weight	4 ounces
Manufacturer	Blackburn
Manufacturer Part Number	7149605
Manufacturer Warranty Description	Subject to a limited lifetime warranty for the lifetime of the original purchaser.
Material Type	Metal
Model Number	7149605
Mounting Type	Strap Mount
Size	One Size
Strap Type	Basic
Style Name	Sporty
UPC	196178238489
Unit Count	1 Count

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$72.52

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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