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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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Description
Ronstan Series 40 BB Triple Block w/ Swivel Head & BecketProduct Description Ronstan Series 40 BB Triple Block w Swivel Head & Becket Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation Specifications: Sheave 1 9 16 in.
Product Description
Ronstan Series 40 BB Triple Block w/ Swivel Head & Becket
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Features:
Low friction Acetal or Torlon® bearing system
Lightweight
Cheek cut-outs for easy bearing maintenance
Features a swivel shackle head for full 360° rotation
Specifications:
Sheave Ø - 1 9/16 in. (40mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in (mm)
Pin Ø - 3/16 in. (5 mm)
M.W.L. - 1320 lb. (600 kg)
B. L. - 3090 lb. (1400 kg)
Weight - 7.4 oz. (209 g)
Applications:
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Features:
Specifications:
Applications:
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
4.2 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Bellas
Size: 13 Little Kid, Color: Pink/Glitter
Son una belleza quedan muy lindas puestas se las recomiendo para las niñas de la casa
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025
★★★★★ 5
Comodas
Size: 2 Big Kid, Color: Black/Beige, Size: 2 Big Kid, Color: Black/Beige
Muy cómodas , cojen el estilo q te pongas. Vienen súper reducidas. Tuve q comprarle un #5 a mi niña con 22cm de largo. A pesar de q llegaron con un polvo blanco, parecían usadas, pero en general super
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2025
★★★★★ 4
Heavy.
Size: 2 Big Kid, Color: Pink/Glitter
They are beautiful, but too heavy to my kid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
★★★★★ 5
Runs small
Size: 4 Big Kid, Color: Pearl Yellow
I wish they went past size 4 but cute nonetheless.
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Reviewed in the United States on August 29, 2024
★★★★★ 5
Compra excelente
Excelente y buen precio
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2024
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