Ronstan S40 BB Orbit Block, Fiddle With Cleat & Link Head
$189.99
Ronstan RF45521 Series 40 Ball Bearing Fiddle Orbit Block With Adjustable Cleat And Dyneema Link Head
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Description
Lightweight fiddle block with adjustable cleat.
These high performance 40mm blocks feature Ronstan’s 2-stage bearing system and are engineered to achieve the highest possible strength-to-weight ratio. Ronstan Series 40 Orbit Blocks are a popular choice on mainsheet systems and spinnaker sheets for dinghies up to 5m (16′).
Featuring class leading strength, accommodating rope diameters up to 10mm, and available in 23 individual configurations, Ronstan’s new Series 40 Orbit Blocks are the most capable blocks of their size.
Features:
- Ultra lightweight
- Low friction 2-stage Orbital ball bearing system
- Highest working load in its class
- Low profile and compact
- High performance cleating
- Composite C-Cleat and fairlead
- Easily fitted and securely retained Dyneema Link head
- Convert to a becket version by adding a Dyneema Link
- Ball Bearings – High compression strength Acetal
- Stage 2 Bearing – Glass fibre reinforced, MoS2 impregnated Nylon
- Frame/Cheeks – Toughened, glass fibre reinforced Nylon
- Sheave – Carbon fibre reinforced, PTFE reinforced Nylon
- Rope/Link – UV stabilised, multi-strand impregnated SK75 Dyneema
| Type of Block | Fiddle |
| B.L. | 700kg |
| M.W.L. | 325kg* |
| Max. Rope diameter | 9mm |
| Weight | 108g |
* Line load through cleat not to exceed 125kg (275lb).
Note: Small fiddle block sheave has a high load full contact bearing (i.e. not ball bearing). Main sheave has 2-stage, ball bearing.
