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Description
Ronstan Series 40 BB Double Block w/ Swivel Head & BecketProduct Description Ronstan Series 40 BB Double 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 Specifications: Sheave 1 9 16 in. (40mm) Max. Rope 3 8 in. (10mm) Max. Cable in (mm)
Product Description
Ronstan Series 40 BB Double 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
Specifications:
Sheave Ø - 1 9/16 in. (40mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 1100 lb. (500 kg)
B. L. - 2650 lb. (1200 kg)
Weight - 5 oz. (142 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
4.8 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 4
Keep it in a cool environment or else
Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1)
I think it’s great for kids and I’ve used it and rebought it for years but my only complaint which I’m surprised no one mentions is if it’s warm out, the sunscreen stick melts quite easily in your bag or car and then the stick softens and falls off the applicator making it pretty unusable. Also similarly, if a child pushes the stick out too far, it’ll fall off the applicator. So that wastes a lot for me every time!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
★★★★★ 5
No more sunscreen in our hair!
Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1)
The only kids sunscreen stick I've found that actually glides on. After struggling with too-hard sticks and messy lotions, this is so easy to apply to my wiggling toddler. And the large size makes application to the whole body a breeze. This is perfect to keep in the diaper bag and quickly reapply for the whole family.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
Easy to use
Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1)
Works great and easy to apply to kids quickly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Great screen & not greasy
Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1)
It works extremely well... stays on, smells
good, not greasy...you don't get burnt &
I have sensitive skin... no problem!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
★★★★★ 5
Great sunscreen that smells good too!
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1), Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
This stuff actually smells good and the scent doesn't smell like chemicals. It comes out clear which is perfect because I bought it for my little blonde headed, fair skinned 16 month old. It's nice to not have his hair looking all weird with white sunscreen spray. Overall, very pleased with it! Came just in time for our trip to the zoo the other day!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 25, 2025
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