3261 Dunbier Supa-Rolla Arm Assembly | Marine Trailer Part

🔧 Product Description

Genuine Dunbier Marine Products Adjustable Single Supa-Rolla Arm Assembly – Part Number: 3261

A complete adjustable single Dunbier Supa-Rolla assembly supplied ready to mount. It uses grey wobble rollers, steel roller arms, bubble plates and U-bolts so the support can articulate and conform to the boat hull.

⚙️ Key Features

• Fully adjustable single Supa-Rolla support
• Grey wobble rollers
• Galvanised steel roller arms
• Bubble plates permit arm articulation
• U-bolts provide adjustable mounting to compatible members

📏 Specifications

• Assembly type: Single Supa-Rolla station
• Roller-arm family: Dunbier 3260/3260S
• Mounting hardware: Bubble plates and U-bolts included
• Parallel member or vertical leg is included only where shown in the current supplied assembly

📋 Supplied Components

• Grey wobble rollers
• Steel Supa-Rolla arms
• Bubble plates
• U-bolts and associated mounting hardware

🔄 Cross Reference & Related Parts

• Long single arm: Dunbier 3260
• Short single arm: Dunbier 3260S
• Steel bubble plate: Dunbier 3290
• Side L-plate assembly: Dunbier 3292
• Parallel members: Dunbier 3293, 3294, 3295 and 3297

🚤 Compatibility & Application

• Dunbier Supa-Rolla trailers and compatible retrofits with suitable mounting members
• Set rollers to share hull load evenly
• Confirm U-bolt size matches the parallel member or cross-member
• Keep roller arms clear of chines, strakes and hull fittings

🔌 Function

Provides an articulated multi-point hull support that assists self-centring and lowers rolling resistance during retrieval.

⚠️ Common Signs of Failure

• Roller arms bind or do not articulate
• Bubble plates are cracked or loose
• U-bolts stretch or lose torque
• Rollers are seized or worn unevenly
• Hull sits on the arm or bracket instead of the rollers

📦 Condition

• Genuine Dunbier Marine Products part
• Brand new
• Supplied in original or equivalent packaging