Concave Roller RED 8″ – 21mm ID

SKU: 91521

Estimated Shipping

$27.72 Inc. GST

2 in stock

Product Description

Concave Roller RED 8″ – 21mm ID
Description:

Upgrade your boat trailer with our premium Concave Roller RED 8″. Made from softer red polyurethane plastic, this roller is designed to be less abrasive, non-marking, and tougher than rubber alternatives. It’s perfect for optimizing stability during transit and ensuring an easy launch and retrieval of your boat. Specifically designed for fiberglass boats, this roller enhances your trailer setup with durability and precision. For aluminum boats, we recommend using our Hard-Polypropylene Blue Rollers.

Key Features:
  • Softer Polyurethane: Constructed from softer red polyurethane plastic, offering reduced abrasion and non-marking properties to protect your boat’s hull.
  • Durable and Tough: Superior to rubber in toughness, providing long-lasting performance and resistance to wear.
  • UV Stable: UV-stabilized to resist degradation from sunlight, ensuring durability in marine environments.
  • Concave Design: Features a concave shape to cradle the boat’s hull, ensuring optimal stability and alignment.
  • Machined Precision: Machined from a solid piece of material for exceptional strength and longevity.
Specifications:
  • Width: 8 inches (203mm)
  • Bore Size: 21mm
  • Material: Softer red polyurethane
  • Spindle Compatibility: Use with 20mm spindle
  • Concave Dimensions: 45mm at the center, expanding to 72mm at the ends
  • Non-Marking: Prevents marking on the boat hull
  • UV Stability: Resistant to UV rays for prolonged use
Applications:
  • Boat Trailers: Ideal for boat trailers, providing essential support and protection during transit.
  • Fiberglass Boats: Perfect for use with fiberglass boats due to its non-marking and gentle material.
  • Marine Environments: Suitable for marine environments, ensuring durability and performance under harsh conditions.
Why Choose Our Concave Roller RED 8″?
  1. Enhanced Protection: Non-marking and less abrasive material ensures your boat’s hull remains undamaged.
  2. Durability: Tougher than rubber, offering long-lasting use and resistance to wear.
  3. UV Resistant: UV-stable material prevents degradation, ensuring prolonged performance.
Customer Reviews:

★★★★★ “Perfect for my fiberglass boat. The concave shape provides excellent support, and the red polyurethane is gentle on the hull.” – David K.

★★★★★ “These rollers are a fantastic upgrade. They offer great stability and are very durable.” – Emma S.

FAQs:
Q: What are the dimensions of this concave roller?
A: The roller is 8 inches (203mm) wide, with a 21mm bore size. The concave dimensions are 45mm at the center, expanding to 72mm at the ends.
Q: Is this roller suitable for aluminum boats?
A: For aluminum boats, we recommend using our Hard-Polypropylene Blue Rollers.
Q: Can this roller be used in marine environments?
A: Yes, it is UV-stable and designed to withstand harsh marine conditions.

 

Red Rollers – Ideal for Fiberglass
Blue Rollers – Ideal for Allo
Black Rollers – Generic Application

Warranty & Returns

Any products thought to be faulty can be returned to Trailer Spare Parts Australia for investigation at the customer’s expense. We reserve the right to determine whether the item/s are faulty or have been incorrectly used or mistreated. We are happy to accept any unwanted stock within 7 days of invoice. Returned items must be in “as new” condition for resale. Any specially ordered axles (IRS, Overlay and Drop Axles) are not returnable. Trailer Spare Parts Australia charges a re-stocking fee of 15% to any authorized returns, plus freight if the goods returned are not subject to warranty.

If the goods are subject to warranty, Trailer Spare Parts Australia will replace the goods and pay all freight inbound and outbound under our terms and conditions. All products sold by Trailer Spare Parts Australia carry a 12 months warranty under our terms and conditions.
Recommendations for these terms can be found on each product page, except for disposable parts (bearings, brake pads, etc).

Ask a Question

Reviews

Axle Length Calculator

Holden / Ford / Parallel

  1. CW – Measure the width of your trailer body.
  2. BS – Measure the offset of the rims being used “with tyre fitted”.
  3. TC – 50mm Gap used on calculator as Standard.

 

Dexter

  1. CW – Measure the width of your trailer body.
  2. BS – Measure the offset of the rims being used “with tyre fitted”.
  3. TC – 40mm Gap used on calculator as Standard.

 

Determine the Rim Stud Pattern

Rim Stud Pattern

stud patterns on your trailer

IMPORTANT: The lines highlighted in yellow are the products we supply.

Wheel Type Stud Diameter Stud Number Inches PCD MM PCD Centre to Centre of Adjacent Studs Centre to Centre of Adjacent Studs
Gemini 7/16" 4 100.00 2 13/16" 70.7
Mini 7/16" 4 4" 101.60 2 13/16" 71.84
Capri 7/16" 4 4 1/4" 107.95 3" 76.33
Cortina/Telstar 7/16" 4 4 1/4" 107.95 3" 76.33
Datsun 1600 7/16" 4 4 1/2" 114.30 3 3/16" 80.82
Early Ford 1/2" 4 4 1/2" 114.30 3 3/16" 80.82
Toyota Corona 7/16" 4 4 1/2" 114.30 3 3/16" 80.82
Valiant to 71 7/16" 5 4" 101.60 2 3/9" 59.72
Holden HT HG HK 7/16" 5 4 1/4" 107.95 2 1/2" 63.45
Ford 1/2" 5 4 1/2" 114.30 2 5/8" 67.18
Valiant 71 - 72 7/16" 5 4 1/2" 114.30 2 5/8" 67.18
Commodore 7/16" 5 120.00 2.776" 70.53
Holden HQ HJ HX 7/16" 5 4 3/4" 120.65 2 13/16" 70.91
Ford F100 1/2" 5 5 1/2" 139.70 3 1/4" 82.11
Ford-Jeep 1.2" 5 5 1/2" 139.70 3 1/4" 82.11
Land Rover 5/8" 5 6 1/2" 165.10 3 13/16" 96.98
Land Cruiser 100 Series 9/16" 5 150.00 88.17
Land Cruiser 4WD 1/2" 6 5 1/2" 139.70 2 3/4" 69.85
Nissan Patrol 1/2" 6 5 1/2" 139.70 2 3/4" 69.85
Nissan Navara D40 1/2" 6 114.30

Ask a question about this product

A special offer just for you...

10% Off

CHECKOUT10

Get 10% off all (non-discounted) products online. Use coupon code CHECKOUT10 during checkout.