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Ronstan

Series 20 BB Block, Single, Suits 10mm (3/8") Webbing

Ronstan Series 20 BB Block, Single, Suits 10mm (3/8") Webbing
$14.18 (List Price: $16.68)
15% OFF This Week!
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Our Part #: RONRF21107 | Mfr. Part #: RF21107
Free Shipping for US Continental orders over $99.

DescriptionImperialMetric
Sheave Ø4/5 in.20.00 mm.
Maximum Rope1/5 in.5.00 mm.
Maximum Working Load441.00 lb.200.00 kg.
Breaking Load882.00 lb.400.00 kg.
Weight0.49 oz.14.00 gr.

Ronstan's Ball Bearing 20mm, conceived and engineered for the demands of competitive sailing in skiff, Olympic and sports boats classes, have rapidly become the international choice for high performance hardware.

Our Part # RONRF21107 | Ronstan Part # RF21107

Features:

  • Low friction
  • Consistent performance
  • 2-Stage ball bearing system
  • Suits up to 10mm (3/8") webbing or RF9003-07 Dyneema link
  • Hollow hub for becket take-off