StarTech RKCASTER2

Heavy-Duty 2″ Caster Wheel Kit - Universal 4-Pack for Server Racks with 45x75mm Bolt Pattern

The StarTech RKCASTER2 caster kit adds instant mobility to your server racks or cabinets with a set of four heavy-duty, 2″ swivel wheels. Designed with a universal 45×75mm bolt pattern, this kit is perfect for replacing worn casters or converting fixed floor racks into mobile enclosures.

Features

Built for performance and long-lasting reliability, the RKCASTER2 caster set is compatible with StarTech 4-post server racks such as RK1833BKM, RK2433BKM, and RK4242BK24, as well as any third-party rack that supports a 45x75mm bolt pattern. Each caster is constructed from durable plastic and cold-rolled steel and supports up to 550 lb stationary or 165 lb rolling load×ideal for both static and mobile deployments. The set comes complete with 18 M6 screws, nuts, and washers to ensure secure, tool-based installation.

Advanced Options

Whether you're outfitting a data center, AV environment, or home lab, these casters offer the rugged reliability and flexibility IT pros demand.

Product Key Features

• Set of 4 swivel caster wheels for 4-post server racks

• Universal 45×75mm bolt pattern with full mounting kit

• Supports up to 550 lb (stationary) per wheel

• Includes M6 screws, nuts & washers for installation

• Ideal for rack mobility or replacing damaged casters

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Reliability & Performance

Engineered for strength and mobility, each caster wheel is load-tested to 1.6× its rated capacity. With durable steel and plastic construction, they provide dependable support for your equipment while allowing easy repositioning. StarTech backs this product with lifetime technical support and product protection.

Key Features :

• • Universal 2″ caster wheel kit for 4-post server racks

  • 45mm x 75mm bolt hole spacing for broad compatibility

  • Cold-rolled steel frame with durable plastic wheels

  • Supports 550 lb (stationary) and 165 lb (rolling) per wheel

  • Ideal replacement for worn/damaged rack wheels

  • Includes 18 M6 screws, nuts, and washers

  • Compatible with StarTech racks and standard server racks

  • Tool-based secure installation

  • Lifetime warranty with free North America-based support

  • Perfect for office, lab, or data center rack mobility

Specification	Details
Model Number	RKCASTER2
Product Type	Universal Rack Caster Wheel Kit
Number of Casters	4 (Swivel Type)
Wheel Size	2″ x 1.7″ (50 x 43 mm)
Bolt Pattern	45mm x 75mm (1.8″ x 2.9″)
Material	Cold-Rolled Steel & Plastic
Stationary Load Capacity	550 lb (250 kg) per wheel
Rolling Load Capacity	165 lb (75 kg) per wheel
Included Hardware	18x M6 Screws, 18x M6 Nuts, 18x Washers
Compatibility	StarTech & third-party racks with 45×75mm pattern
Installation	Bolt-on (hardware included)