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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 15 Single BB Block w/ Single Hook TopProduct Description Ronstan Series 15 Single BB Block w Single Hook Top Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing Specifications: Sheave 5 8 in. (15mm) Max. Rope 3 16 in. (5mm) M. W. L. 260 lbs. (120 kg) B. L. 440 lbs. (200 kg)
Product Description
Ronstan Series 15 Single BB Block w/ Single Hook Top
Features:
Smallest and lightest ball bearing block available
Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction
Single loop head blocks include an O-ring to separate running line from head lashing or fixing
Specifications:
Sheave Ø - 5/8 in. (15mm)
Max. Rope Ø - 3/16 in. (5mm)
M.W.L. - 260 lbs. (120 kg)
B. L. - 440 lbs. (200 kg)
Weight - 0.4 oz. (13 g)
Applications:
Dinghy control lines
Vangs, cunninghams and tweakers
Shock cord tensioning systems
Materials:
BB sheaves: UV stabilized acetal
Ball bearings: Stainless steel
Cheeks: Grade 316 stainless steel
Features:
Specifications:
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
4.9 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 4
Great Filter - shipping needs to be improved
The air filter was great and would recommend the OEM filter. My only
Complaint is that they didn’t ship it in a box but only slapped on a shipping label on to the original air filter box.
It took about a week to get to me (Arizona) and the box looked really beat up and luckily the filter was still ok by the time it got to me. Recommend putting it in a box to protect it from damage.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Sandy
Exact fit for my 2022 RX 350
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Perfect fits
Ease of replacement. OEM quality.
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Reviewed in the United States on November 12, 2024
★★★★★ 5
he Gold Standard in Air Filters
This product works just as intended. K&N has been a leader in lifetime air filters for a long time, and their reputation for quality is well-deserved.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
Good fit
Received in good condition. Yet to install. Will update the review after using
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Reviewed in the United States on February 12, 2026