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Description
Ronstan Orbit Series 55 Fiddle Becket Block w/ Cleat & Swivel HeadProduct Description Ronstan Orbit Series 55 Fiddle Becket Block w Cleat & Swivel Head Features: Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Sheave 2 5 32 + 1 3 8 in. (55 + 35mm) Max. Rope 3 8 in. (10mm) Max. Cable in (mm) Pin in. (mm) M. W. L. 110 lb. (500 kg.) B. L. 2200 lb. (1000 kg.) Weight 8. 4 oz. (237 g) Product Information Lightweight
Product Description
Ronstan Orbit Series 55 Fiddle Becket Block w/ Cleat & Swivel Head
Features:
Ultra Lightweight
Low friction 2-stage Orbital ball bearing system
Highest working load in its class
Low profile and compact
High performance cleating
Sheave Ø - 2 5/32 + 1 3/8 in. (55 + 35mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 110 lb. (500 kg.)
B. L. - 2200 lb. (1000 kg.)
Weight - 8.4 oz. (237 g)
Product Information
Lightweight
Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.
Weight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.
Multi-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block.
Highest working load in its class
The orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range.
The floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema® Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.
Applications:
Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
Spinnaker sheets on dinghies, sportsboats and small keel boats to 9m (30ft)
Halyard, Vang and Backstay application on boats to 8m (26ft)
Control line applications on larger yachts
Materials:
Ball bearings - High compression strength carbon black Acetal
Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
Frame/Cheeks - Toughened, glass fibre reinforced Nylon
Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®
Features:
Sheave Ø - 2 5/32 + 1 3/8 in. (55 + 35mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 110 lb. (500 kg.)
B. L. - 2200 lb. (1000 kg.)
Weight - 8.4 oz. (237 g)
Product Information
Lightweight
Kilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub.
Weight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through-sheave becket arrangement. The result? The lowest weight possible.
Multi-sheave blocks have only single intermediate cheeks and an ultra-light and efficient head arrangement. This gives a 30% weight saving advantage over the nearest competitor. Other brands just link together their single blocks. This results in unnecessary double cheeks between each sheave, held together by a heavy steel channel across the top of the block.
Highest working load in its class
The orbital ball-bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The proven Ronstan 2-stage bearing system features high compression grade acetal ball bearings and a secondary full-contact bearing. This gives minimum friction across the full working load range.
The floating sheave and bearing system is supported by a fibre-reinforced load frame. The design was computer modelled to be stress optimised. The Dyneema® Link is produced from FSE Robline SK75 fibre, which is 10 times stronger and lighter than steel, and provides the final connection from the block to the load point.
Applications:
Materials:
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
4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Buy
Color: Glistening Bronze
Im a darkskin girl i love it it gives me a golden glow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 1
CAUSES INTENSE SKIN PIGMENT ISSUE
Color: #2 ROSE, Color: #2 ROSE
DO NOT BUY UNLESS YOU WANT SPOTTY-BLOTCHY PIGMENT ISSUES! I used the product one time, and got terribly fried/burnt and when the burn healed my skin got very cheetah print spotty blotchy like. Now I am using prescribed cream my dermotologist prescibed to try to heal the pigment issues this product caused. this product is a thick oil, NOT SPF 45-- TRUST ME you do not want this!!! See pictures i'm attaching to this review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 4
Glitter
Color: Glistening Bronze
I really did light the way it feels nice and thick.Creamy sparkly, but unfortunately there are cheaper products out there than this.That can probably do the same job
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 5
Feels really nice, not greasy
Color: #3 AMBER
Very nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Great product
Color: #2 ROSE
Smells great love how it feels on my skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
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