![Ronstan Series 20 Ball Bearing Block - Single [RF20100]](https://cdn.shopify.com/s/files/1/0538/9769/1296/products/55131XL.jpg?v=1660212743)
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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 20 Ball Bearing Block - Single [RF20100]Series 20 Ball Bearing Block Single Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction Applications: Dinghy control lines Dinghy Vangs Cunninghams Traveller controls Materials: U. V. Stabilized Acetal sheaves Stainless steel ball bearings Grade 316 stainless steel load strap and head fitting Impact and UV
Series 20 Ball Bearing Block - Single
Features:
- Low friction
- High static and dynamic load capacity
- Lightweight
- Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
- Dinghy control lines
- Dinghy Vangs
- Cunninghams
- Traveller controls
Materials:
- U.V. Stabilized Acetal sheaves
- Stainless steel ball bearings
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
Pin Ø: 3mm(1/8")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 20g(0.7oz)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Perfect suit
Color: Wine Red, Size: X-Large, Color: Wine Red, Size: X-Large
I love the suit it fitted my son perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Omg absolutely stunning!!!
Color: Blue, Size: X-Large, Color: Blue, Size: X-Large
I purchased this suit for my son‘s prom and I must say I know he was going to be the most handsome young man there!!! It fit to size, the quality was good, and the royal blue was popping! I would highly recommend!
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Outfit for prom, worked perfectly!
Color: Blue, Size: Medium
Very nice, no problems!!
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Snazzy!
Color: Wine Red, Size: X-Large
Fit was perfect and everyone gave lots of compliments!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
★★★★★ 5
Great buy!
Color: Black, Size: Small
My husband looked amazing in this! The fabric is gorgeous and it fits true to size.
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Reviewed in the United States on January 27, 2026