The RST-25

RST-V25 Trolley: The Next Generation of Zipline Braking

Since 2002, friction-braking trolleys have reframed zipline safety by prioritizing controlled stopping over raw speed. We’re replacing the 2-wheeled pulleys every day; these pulleys are designed for speed, but owners and guides fail to recognize zipliner momentum, which produces an accelerated arrival for the high-load participant.

 Speed Pulleys are inconsistent, vary in stopping locations, and rider outcomes (80-lbs vs. 250-lbs). Creating more impact events for high-load participants crashing into platforms.

In 2002, we introduced a different design: a fail-safe, self-braking trolley for Park City Mountain Resort (PCMR), in Park City, UT that decelerates riders predictably across a wide mass range (≈35–300 lbs).

Easy, Secure Purchasing on Amazon
Our trolleys are available directly through Amazon, offering a fast, secure, and trusted checkout experience. Each model—including the RST-24V and RST-V25—comes with detailed product descriptions, specifications, and verified customer reviews. Customers can view high-resolution photos, compare models, and select the exact trolley configuration they need.

Amazon’s streamlined system allows payment by credit card, Amazon Pay, or business account, with real-time shipping estimates and order tracking. Because our listings are sold through Amazon, you benefit from rapid delivery while supplies last, reliable packaging, and Amazon’s industry-leading customer support.

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