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Ronstan Series 55 BB Ball Bearing Orbit Block - Upright LeadRF55171 - RF55171

Marsoni M251S
Sale price$50.99
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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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  • We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 216 reviews
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Verified Purchase
Scot Atkinson
Belleville, US
★★★★★ 5
Comfortable and good fit.
Size: Large, Color: Black
Nice and comfortable Under Armour socks. Great buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
K
Verified Purchase
Kevin
Chelsea, US
★★★★★ 5
Socks
Size: Medium, Color: Beige/Cream/Green
These socks are great. Love them. Very warm too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
D
Verified Purchase
DE
San Leandro, US
★★★★★ 5
good but pricey
Size: X-Large, Color: White / Steel - 100
good materials, size fits, very soft and durable but is a bit expensive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
P
Verified Purchase
Phillip A. Mccune
Charlottesville, US
★★★★★ 5
Great socks great price
Size: Large, Color: Black
Great socks
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Reviewed in the United States on April 20, 2026
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 5
Really snug, but not uncomfortable
Size: Large, Color: Black
I don't know why these were so much tighter than all the other UA socks I've bought over the years. Not uncomfortable, just really tight when putting them on.
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Reviewed in the United States on April 14, 2026

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