Shipping Estimate
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- USA
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- USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing headSeries 30 Ball Bearing Orbit Block Single Becket Lashing Head Ball Bearing Orbit Blocks boast the highest strength to weight ratio available. This is achieved through all composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber reinforced composites in the block head, cleat arms and
Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing HeadBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options.
Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.
Features:
- Lightweight
- Highest working load in its class
- Secure, versatile and secure attachement
- Low profile and compact
- Ultra low profile thru-sheave becket
- RF35101 accepts RF1850S shackle in both orientations to create a conventional loop top block
- Self-lubricating Nylatron® sheave and full contact bearing for high dynamic loads
Applications:
- Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
- Halyard, vang and backstay applications on boats to 5M(16')
- Control line applications on larger yachts
Materials:
- Sheave: High compression strength carbon black Acetal
- Ball Bearings: High compression strength Acetal
- Frame/Cheeks: Toughened, glass fiber reinforced Nylon
- Link: UV stabilized, multi-strand impregnated SK75 Dyneema®
Specifications:
=Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 600kg(1,320lbs)
Weight: 22g(0.8oz)
Manufacturer : Ronstan
Manufacturer Part No : RF35101
UPC : 9316800404940
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 1583 reviews
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Product Reviews
★★★★★ 5
Cute Basic Tank That’s Easy to Dress Up or Down
Color: Taupe, Size: Small
This ANRABESS sleeveless tank top is a really cute basic to have in the closet. I bought it in 3 colors. I like the fitted ribbed style because it gives it a little more shape than a plain tank, but it’s still simple enough to wear with just about anything.
The scoop neck is flattering without being too low, and the slim fit makes it easy to tuck into jeans, shorts, or wear under a jacket/cardigan. It’s one of those tops that works for everyday outfits but can also be dressed up a little with jewelry or nicer pants.
The material feels comfortable and stretchy, and it has that casual summer look without feeling sloppy. I’d say it’s great for warm weather, layering, or just throwing on when you want something easy but still put-together.
Cute, flattering, and comfortable — a great basic tank that I can see myself wearing a lot.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great, well-fitting basic!
Color: Beige, Size: Medium
I love, love, love these basic tanks. They fit true to size. They’re really soft and comfortable and they’re such a great value. I have them in at least five or six colors. They look great on their own or under a cardigan.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Light weight, not thick or bulky, versatile, and perfect!
Color: White, Size: Small
Throw out all the tank tops you own cause this is the only tank top you will need from here on out. It is absolutely perfect. Let’s just say they understood the assignment. It is form fitting and pairs perfectly with lightweight sweaters that might be slightly sheer or even the new crochet type of open sweaters that need a tank underneath. It is the perfect stretch, perfect material and dressy enough to be worn on its own and upgraded with some jewelry and some classy jeans and has just enough sheen to look dressy and not like you’re wearing a workout top. I love , love this and it is my go to tank!
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Comfortable, flattering wardrobe staple
Color: White, Size: Small, Color: White, Size: Small
I’ve tried a lot of basics, and this ANRABESS sleeveless scoop neck tank exceeded expectations. The fabric feels soft and breathable with a nice amount of stretch, and it has a flattering fit without being too tight or restrictive. The scoop neckline is classic and versatile, making it easy to layer or wear on its own. Stitching and construction appear well made, and it held up nicely after washing with no shrinking or loss of shape. Great quality for a basic essential, and a piece I can see reaching for often. Highly recommend.
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Reviewed in the United States on April 29, 2026
★★★★★ 4
The length is perfect. Nice and long.
Color: Yellow, Size: X-Large
These tanks are the perfect length. I love how they fit and feel. I bought these in 5 colors. Although, if you want to keep them long, I suggest hanging them to dry. Putting them in the dryer shrinks the length about 2 inches.
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Reviewed in the United States on May 22, 2026