SKU: 34363665151

Ronstan Series 40 Orbit BB Sheave

Sale price$20.44 Regular price$22.71
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Ronstan Series 40 Orbit BB SheaveSeries 40 Orbit BB Sheave Ball Bearing versions incorporate the 2 stage bearing system using ball bearings to minimize friction and a secondary full contact bearing to maintain low friction across the full working load range. Specifications: Sheave Captive BB Width: 15. 5mm 5 8" Sheave Diameter: 40mm 1 9 16" Maximum Rope: 10mm 3 8" M. W. L.: 400kg 880lbs Weight: 30g 1. 1oz Manufacturer : Ronstan Manufacturer Part No : RF48000 UPC : 9316800644797

Series 40 Orbit BB Sheave

Ball Bearing versions incorporate the 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.

Specifications:

  • Sheave
  • Captive BB
  • Width: 15.5mm/5/8"
  • Sheave Diameter: 40mm/1-9/16"
  • Maximum Rope: 10mm/3/8"
  • M.W.L.: 400kg/880lbs
  • Weight: 30g/1.1oz

Manufacturer : Ronstan
Manufacturer Part No : RF48000
UPC : 9316800644797
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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
SKU: 34363665151

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Michael R. Wong
Natrona Heights, US
★★★★★ 5
Great supplement
I like the way it helps me relax to sleep and helps to keep me more focused
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Reviewed in the United States on June 3, 2026
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John S. Raydo
Phoenix, US
★★★★★ 5
No diarrhea
My wife had severe diarrhea using a common type of magnesium, taken at doctor's recommendation. Doctor recommended this type, L-Threonate. Totally eliminated diarrhea problem.
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Reviewed in the United States on May 15, 2026
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Abir damaj
Chelsea, US
★★★★★ 5
Magnesium
Helps with sleep, relaxation, and muscle cramps * Can support mood and reduce stress * Good for overall body function (nerves, muscles, heart)
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Reviewed in the United States on April 23, 2026
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DL
Whiting, US
★★★★★ 4
High Quality
My husband is deficient in magnesium and these by far looked like they were of the highest quality . Not sure yet if they help him sleep better but will be purchasing them again.
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Reviewed in the United States on May 8, 2026
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David Hartnell
Whiting, US
★★★★★ 5
Better sleep, better mood
This definitely helped my mood and sleeping. It literally changed my default. The only electrolyte that can pass the blood brain barrier. I recommend.
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Reviewed in the United States on May 9, 2026

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