CTSC Heavy-Duty Dual-Bearing Trolley Pulley (Up to 350 lbs)
Engineered for thrill-seekers, adventure camps, and backyard enthusiasts, the CTSC Heavy-Duty Dual-Bearing Trolley Pulley delivers maximum gliding speed, whisper-quiet performance, and commercial-grade durability. Crafted from high-strength aerospace aluminum side plates with dual stainless steel sealed ball bearings, this heavy-duty trolley supports riders up to 350 lbs with an exceptional Minimum Breaking Strength (MBS) of 45 kN.
| 📋 Technical Specifications | |
|---|---|
| Max Rider Capacity | 350 lbs (158 kg) |
| Minimum Breaking Strength | 45 kN (approx. 10,100 lbs) |
| Bearings | Dual sealed stainless steel ball bearings |
| Construction | Aerospace-grade aluminum alloy side plates + steel sheaves |
| Compatible Cable Size | 3/16" to 1/2" diameter (5 mm – 13 mm) |
| Handle Grips | Ergonomic non-slip soft rubber handlebar grips |
| Unit Weight | 4.2 lbs (1.9 kg) |
🛡️ Key Features & Performance Engineering
- Sealed Dual Stainless Steel Bearings: Produces ultra-smooth, high-speed momentum without friction or cable drag, designed for maximum adrenaline.
- Aerospace Aluminum Construction: Lightweight yet ultra-rugged housing designed for extreme outdoor weather resistance and rust prevention.
- Captive Safety Hardware: Features secure locking bolts on each wheel for total stability and anti-loosening safety during high-speed runs.
- Universal Cable Compatibility: Perfectly sized for cables from 3/16" (5mm) up to 1/2" (13mm), making it an easy drop-in upgrade for any backyard zipline.
- Dual Attachment Points: Integrated lower eyelets let you easily clip carabiners for safety harnesses, swing seats, or lanyard lines.
🤝 CTSC Guarantee & Shipping
- 1-Year Manufacturer Warranty on all trolley components
- 30-Day Money-Back Guarantee
- Free US Ground Shipping on orders over $99
❓ Frequently Asked Questions
Does this trolley fit my existing zip line cable?
Yes! It is precision-machined to glide smoothly on all standard steel cables between 3/16" (5mm) and 1/2" (13mm) in diameter.
Can I connect a swing seat or safety harness to this trolley?
Absolutely. The base includes heavy-duty carabiner clip slots designed specifically to attach swing seats, safety harnesses, or positioning lanyards.
Is this trolley suitable for adults?
Yes. With a 350 lb rider capacity and an industrial 45 kN breaking strength rating, it safely accommodates riders of all ages.
- Supports up to 800lbs
- CE & RoHS Certified
- Designed and tested with your safety in mind.
1、In order to make your order to arrive more quickly and securely, we will deliver the goods within 24 hours after receipt of order payment. Please ensure that your order address is correct.
2、Before delivery, we will inspect and pack the goods to ensure that the goods received by our customers are in good condition. If there are any problems with the goods, please contact us at the first time.
3、We offer free delivery service,express delivery is estimated to be delivered within 3-4 days.The shipping time during Holiday Season (Christmas etc) could be longer than usual time. Please add another 5-10 days as a delay.
Note：if your shipping address is in a remote area, the express delivery service will require additional delivery costs, and we will not pay for this freight. So we will contact you for the first time, and you need to pay the freight, then we will deliver the goods.
We promise to do the right thing. Over the years, every decision and product we make is focused on customers. Our goal is to bring more joy to those who believe in us. We should be responsible for doing the right thing and the right way.
The products we produce bring laughter to our customers, and we are truly proud of them. If our products cause trouble to our customers, we sincerely feel sorry and try our best to make up for our mistakes. Customer satisfaction is our eternal pursuit.
We promise never to exaggerate the quality of our products. We strictly test every product to ensure that it meets the safety standards and passes the quality certification.
We promise if there are any problems with our products, please contact us in the first time, or you can request a return or refund within 30 days of receiving the product, but please contact us before returning，you just pay for the return shipping. No strings attached.
After using our products，if you are satisfied with our products and services, please 5 stars, if you are not satisfied, please contact us at the first time, we will handle it for you and make you satisfied.
1、Please strictly follow the instructions and ensure the installation is solid.
2、Kids under the age of 10 need to use zipline under the guidance of adults or guardians.
3、Strictly follow kids and adults with a weight limit of 250 pounds.
4、Heart disease and hypertension patients, pregnant women, please do not use products, in order to avoid accidents.
5、Installation between two trees or ends is required, and there is a clear runway between the two without shelter, preferably with a slight slope in the middle of the runway.An end-to-end slope of 3-6%.
Instruction Book Installation Manual: For Installation Video Please See Blog
