ULTRA Products by Boyut – exclusive European distribution by cromox®

ULTRA Sliding Bow Rollers

Our ULTRA Sliding Bow Rollers for added bow clearance and controlled anchor positioning

Our ULTRA Sliding Bow Rollers are designed for installations where the anchor needs to sit closer to the bow while still preventing contact with the boat. The automatic movement mechanism supports smooth deployment and recovery, especially in setups that require additional clearance. The system uses a durable spring design and low-friction wheels to reduce resistance and minimise jamming.

ULTRA Sliding Bow Rollers
ULTRA Sliding Bow Rollers
ULTRA Sliding Bow Rollers

Key performance features

  • Available in two options: single-stroke and double-stroke. 
  • Sliding mechanism helps position the anchor closer to the bow while avoiding impact with the boat. 
  • Stainless-steel spring system engineered for long-term reliability in marine conditions. 
  • Delrin wheels reduce friction and help prevent jamming. 
  • Modular concept supports easier installation and maintenance (fixed lower chassis with removable spring/roller components). 
  • Compatible with various anchor types. 
  • Built from stainless steel and Delrin for durable operation.

Design and construction

ULTRA Sliding Bow Rollers are designed as a robust alternative to conventional sliding systems. Instead of gas springs, the product uses a stainless-steel spring system for long-term performance. Delrin wheels replace sliding pads to reduce friction and lower the risk of jamming. The assembly is structured in modules to simplify service: the lower chassis remains mounted to the boat, while the moving components can be installed or removed as needed.

Construction details 

  • Roller system: Delrin wheels for low-friction running and reduced jamming risk. 
  • Spring concept: stainless-steel spring system (designed for durability in harsh conditions). 
  • Main components: lower chassis (boat-mounted), spring-loaded suspension system, upper sliding roller chassis. 
  • Options: single-stroke or double-stroke versions. 
  • Compatibility: suitable for various anchor types. 
  • Manufacturing: designed and manufactured in Turkey.

FAQs

What is a ULTRA sliding bow roller?

The ULTRA sliding bow roller is an anchor-handling system that temporarily moves the anchor away from the bow during deployment and retrieval. This additional movement helps create clearance between the anchor and the hull while allowing the anchor to remain positioned close to the bow when stowed.

When is a sliding bow roller recommended?

A sliding bow roller is often used when anchor geometry, bow shape, or limited clearance creates a risk of contact between the anchor and the vessel. It can be particularly useful on yachts where anchor protection and clean integration are important considerations.

How does a sliding bow roller help protect the hull?

By increasing the distance between the anchor and the boat during movement, the roller system can help reduce the risk of impacts, scratches, and accidental contact. This added clearance contributes to safer and more controlled anchor handling.

What is the difference between a single-stroke and a double-stroke sliding bow roller?

A single-stroke sliding bow roller provides one stage of movement to create additional clearance. A double-stroke version offers a greater travel distance, making it suitable for installations that require more space between the anchor and the hull during deployment or recovery.

Why are Delrin wheels used in sliding bow roller systems?

Delrin wheels provide low-friction movement and high wear resistance. Compared to traditional sliding surfaces, rolling elements can reduce operating resistance, support smoother movement, and help minimise the risk of jamming over time.

What are the advantages of a spring-based sliding system compared to gas springs?

Spring-based systems are often selected for their mechanical simplicity and long-term durability in marine environments. Stainless-steel springs can provide reliable performance without relying on sealed gas components that may be affected by age, temperature fluctuations, or environmental conditions.

Why is modular construction beneficial for bow roller maintenance?

A modular design allows individual components to be removed, serviced, or replaced without dismantling the entire installation. This can simplify maintenance procedures, reduce downtime, and make future upgrades or repairs more straightforward.

Can a sliding bow roller be used with different anchor types?

Yes. Sliding bow rollers can be compatible with a variety of anchor designs, provided that the dimensions, geometry, and retrieval characteristics of the anchor are suitable for the specific roller configuration. Compatibility should always be verified as part of the complete anchoring system.


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