SKU: 83828937142

Ronstan Series 8 Batten Car Quick Release

$128.90 $143.22
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Ronstan Series 8 Batten Car Quick ReleaseProduct Description Ronstan Series 8 Batten Car Quick Release Features Captive Low Profile Lightweight alloy car bodies A: 4 1 8 in. (105mm) B: 1 3 16 in. (30mm) C: 1 15 32 in. (37mm) E: 2 in. (51mm) Weight 7. 8 oz. (220 g) Product Information Patented system uses low profile cars running on twin races of Torlon ball bearings. Cars use the existing luff groove of the mast (no track or installation work required). Ball bearings are captive for easy

Product Description

Ronstan Series 8 Batten Car Quick Release
Features
  • Captive

  • Low Profile

  • Lightweight alloy car bodies

  • A:  4 1/8 in. (105mm)

  • B: 1 3/16 in. (30mm)

  • C: 1 15/32 in. (37mm)

  • E: 2 in. (51mm)

  • Weight 7.8 oz. (220 g)

    Product Information

    Patented system uses low profile cars running on twin races of Torlon® ball bearings. Cars use the existing luff groove of the mast (no track or installation work required). Ball bearings are captive for easy loading and unloading of cars from mast. They can be easily switched between fully battened and “soft luff” mainsails. Minimum distance from mast to mainsail luff enhances mainsail efficiency.

    With a complete range of car profiles and feet there is a Ballslide™ solution for most available mast profiles and luff groove shapes on boats up to 18m (60ft).

    Quick-Release batten receptacle cars allow quick and easy removal of the mainsail for changeover, repair or stowage. Stainless steel ball joint links provide movement in all directions and up to 112 degrees either side of centre.

    Applications

  • Monohulls to 18m (60ft) or sail area 60 m2 (646 ft2)

  • Multihulls to 13m (43ft) or sail area 48 m2 (517 ft2)

    Materials

  • Alloy car bodies

  • Torlon® ball bearings
    • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. 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
    SKU: 83828937142

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    4.2 ★★★★★
    Based on 9 reviews
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    B
    Verified Purchase
    Ben
    Carnegie, US
    ★★★★★ 5
    Great Start
    Format: Hardcover
    My 9 year old doesn’t like reading. When it’s time for him to read to us, this is his go to book. Chapter books are a bit intimidating for him. He is eager to read about Max and is wanting to ready without us asking. We are looking forward to book 2.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 24, 2025
    D
    Verified Purchase
    Douglass family
    Alexandria, US
    ★★★★★ 5
    Kids really enjoy this book
    Format: Paperback
    Good book. The kids really liked it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 13, 2025
    E
    Verified Purchase
    Eric J.
    Cuba, US
    ★★★★★ 5
    Wonderful. This is the book on time I've been looking for.
    Format: Kindle
    This is the book about time that I wanted. Beautifuly done. Thank you.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 26, 2025
    J
    Verified Purchase
    John B
    Battle Creek, US
    ★★★★★ 3
    Not so great unless you are willing to accept a certain amount on faith.
    Format: Paperback
    Similar criticism to my review of the Black Holes book: "Starts off ok, but quickly loses you. I have an extensive science education and quickly got lost. This topic cannot be easily explained in a brief book - the author is forced to jump over certain building blocks, and that just leaves the reader confused. I think this book series is good, but maybe not for abstract science topics."
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 11, 2026
    R
    Verified Purchase
    Rusty.
    Omaha, US
    ★★★★★ 5
    A fun read. Learned a lot.
    Format: Kindle
    I never expected to be able to understand Relativity or the more ethereal concepts of time. But Jenann brought them to my level. The language gets a bit flowery at times but I think that reflects that these ideas have a poetry of their own. RL
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on July 10, 2023

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