


Ronstan Series 55 BB Ball Bearing Orbit Block - Upright LeadRF55171 - RF55171
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Ronstan Series 55 BB Ball Bearing Orbit Block - Upright LeadRF55171 - RF55171Ronstan Series 55 BB Ball Bearing Orbit Block Upright LeadRF55171 Series 55 BB Ball Bearing Orbit Block Upright Lead Features: Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Specifications: Sheave: 2 5 32" Max Rope: 3 8" MWL: 1100lb BL: 2200lb Weight: 3. 2oz Product : RONSTAN SERIES 55 BB ORBIT BLOCK, UPRIGHT LEAD Manufacturer : Ronstan Manufacturer
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 554 reviews
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Product Reviews
★★★★★ 1
Bad
Horrible air flow I don’t recommend and yes it was installed correctly. Don’t waste your money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
★★★★★ 5
Maintained airflow
Difficult to know how well it’s filtering the air. But it installed correctly and I am still getting good airflow through my vents
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 5
High-Quality Cabin Filter with Carbon Pre-Filter
This filter was easy to install in a 2010 Honda Fit. I wanted a HEPA filter given my severe allergies. The honeycomb carbon side looks similar to my Winix and Air Doctor carbon filters so it felt high quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
★★★★★ 5
Perfect for Honda 2019 civic sport
Good fresh clean air
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Reviewed in the United States on October 3, 2025
★★★★★ 5
Good alternative without
This filter kit is a convenient all-in-one replacement for my 2011–2017 Honda Odyssey. Both the cabin and engine air filters fit perfectly and were easy to swap out in just a few minutes. The quality feels solid, and it’s great not having to buy the filters separately. A quick upgrade that helps the van run cleaner and keeps the cabin air fresh.
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Reviewed in the United States on December 10, 2025
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