Ronstan Series 50 BB Fiddle Block w/ Becket & Cam Cleat

Ronstan Series 50 BB Fiddle Block w/ Becket & Cam Cleat
Item# RF50530
Regular Price: $135.24
Our Price: $114.95

Product Description

Ronstan Series 50 BB Fiddle Block w/ Becket & Cam Cleat


  • Low friction, 2-stage ball bearing system

  • High static and dynamic load capacity

  • Lightweight

  • Cheek cut-outs for easy bearing maintenance

  • Captive Lock™ universal head

  • Slotted pin shackle eliminates fouled lines

  • Snap fit removable becket pin

  • Multi-position cleat arm


  • Sheave Ø - 2 1/8 + 1 5/16 in. (54 + 34mm)

  • Max. Rope Ø - 3/8 in. (10mm)

  • Max. Cable Ø - in (mm)

  • Pin Ø - 3/16 in. (5mm)

  • M.W.L. - 1100 lb. (500 kg)

  • B. L. - 3310 lb. (1500 kg)

  • Weight - 11.8 oz. (334 g)

    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.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removeable so line can be spliced prior to fitting and is i


  • Mainsheet

  • Spinnaker sheets

  • Halyards and other primary applications on boats up to 10m (33ft)

  • Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs

  • On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.


  • Acetal ball bearings

  • UV stabilized Acetal sheave

  • Grade 316 stainless steel load strap and head fitting

  • Impact and UV resistant, fiber reinforced Nylon cheeks