We will be closed for the Christmas and New Year holidays from Dec. 22nd, 2025, to Jan. 6th, 2026. Orders placed after December 17th, 2025 will be shipped starting January 12th, 2026.
Ronstan
S40 BB Block,Single Loop Top,Becket
Single, becket, loop head
Special Price
31.68€
was
32.66€
Limited quantity
SKU
RF40111
FEATURES
- Low friction Acetal or Torlon® bearing system
- Lightweight
- Cheek cut-outs for easy bearing maintenance
- Snap fit removable becket pin
PRODUCT INFORMATION
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools.
APPLICATIONS
- Mainsheet
- Halyard
- Vang
- Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
MATERIALS
- Acetal ball bearings
- UV stabilised Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fibre reinforced Nylon cheeks
Technical Data
| Sheave Ø | 40 mm |
|---|---|
| Max. Rope Ø | 10 mm |
| Max. Cable Ø | - mm |
| Pin Ø | - mm |
| M.W.L. | 350 kg |
| B. L. | 1000 kg |
| Weight | 60 g |