does the cart extend on the bottom

No. The bag hangs from one end and the bottom Of the bag can drag on the pavement. The plastic bottom of the inside of the bag had to be replaced. I used part of a pool chlorine bucket lid to reinforce the bag.

Will this work on the Rockville Rock Cart?

If the handle on your cart is 10.25” wide it could work.

What is the diameter of the yellow disk? Are there any easy-to-find replacements for it?

Not sure, but mine cracked and I sometimes throw a larger frisbee down there.

Will this fit an R12RT?

Check the rock n roller website for compatibility

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Rock-N-Roller Handle Bag with Rigid Bottom for R8, R10, R12 Multi-Carts (RSAHBR8), Black

Product ID: 172184576

Details

Brand
Rock-N-Roller
Color
Black
Item Weight
1.4 pounds
Material
Plastic
Pattern
Solid

⚡Quick-release buckle strap

🎒Rigid hard plastic bottom

🛠️600D polyester durability

HK$1509

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🎒 Roll in Style, Pack with Power!

FAST FREEDOM - Webbing cinch strap with quick-release buckle for instant securing and releasing.
BUILT TO ENDURE - Crafted from tough 600D polyester for long-lasting use on every journey.
STABLE SECURE - Rigid hard plastic bottom ensures your gear stays upright and protected.
EFFORTLESS ACCESS - Slides seamlessly onto Rock N Roller multi-cart handles—no tools, no hassle.
ACCESSORY FRIENDLY - Mounting holes remain accessible so you can customize with other add-ons.

The Rock-N-Roller Handle Bag RSAHBR8 is a durable, easy-to-install accessory designed for R8, R10, and R12 multi-carts. Made from rugged 600D polyester with a rigid plastic bottom, it offers secure storage with a quick-release webbing strap. Perfect for professionals transporting photography and audio gear, it fits universally and requires no installation, enhancing your workflow with convenience and reliability.

Specifications

ASIN	B07QJ35ZK4
Automotive Fit Type	Universal Fit
Best Sellers Rank	#309,496 in Automotive ( See Top 100 in Automotive ) #347 in Powersports Gear Bags
Brand Name	Rock-N-Roller
Closure Type	Zipper
Color	Black
Customer Reviews	4.3 4.3 out of 5 stars (90)
Global Trade Identification Number	00672485351511
Handle Type	Web Handle
Item Type Name	Multi-Carts
Item Weight	1.4 pounds
Manufacturer	Rock-N-Roller
Manufacturer Part Number	RSA-HBR8
Manufacturer Warranty Description	1 year limited warranty.
Material Type	Plastic, Polyester
Model Number	RSAHBR8
Mounting Type	Handlebar Mount
Number of Items	1
Pattern	Solid
Style Name	For R8, R10, R12
UPC	672485351511
Unit Count	1 Count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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HK$1509

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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