Ronstan Series 20 Orbit Block, Triple Lashing
The RF25309 triple-lashing block features three 20mm ball-bearing sheaves.
The sheaves feature Ronstan's proven 2-stage bearing system for high efficiency under both dynamic and static loads.
Features
- Suits maximum 6mm (1/4") lines
- Lightweight and strong
- 2-stage ball bearing system for efficient and effortless trimming
- Hollow hub for becket take-off
Specifications
- Sheave Ø 20 mm
- Max. Rope Ø 6 mm
- Max. Cable Ø mm
- Pin Ø mm
- M.W.L. 300 kg
- B. L. 800 kg
- Weight 21 g
* Both MWL and BL are dependent on the strength of the line used to lash the block through the central hub. Refer to the SUPPORT tab for lashing instructions.
Applications
- Control lines
- Leech Lines & Cunninghams
- Cascading vangs
- Kite bridles
- Perfect for multi-purchase vang systems on performance dinghies such as the Moth, 49er and ILCA®.
Material
- BB Sheave: High compression strength acetal
- HHL sheave and bearing race: Grade 2205 stainless steel, ball bearings: Grade 304 stainless steel
- Frame/cheeks: Toughened nylon
- Load straps (RF21107): Grade 316 stainless steel
- Frame/cheeks (RF21107): Toughened, glass fibre-reinforced nylon
SHIPPING
All orders are shipped from our Brookvale, Sydney order fulfilment centre. Orders are normally shipped within 5 business days - most quicker!
Shipping day estimates after your order leaves our fulfilment centre in Sydney are based on Australia Post domestic delivery times:
| State | Regular |
Express |
| ACT | 2 - 3 business days | 1 - 2 business days |
| NSW | 2 - 4 business days | 1 - 3 business days |
| NT | 4 - 13 business days | 3 - 5 business days |
| QLD | 3 -12 business days | 2 - 4 business days |
| SA | 3 - 5 business days | 2 - 4 business days |
| TAS | 4 - 8 business days | 2 - 4 business days |
| VIC | 3 - 5 business days | 2 - 3 business days |
| WA | 5 - 10 business days | 2 - 6 business days |
* These delivery times are an estimate and actual delivery times may vary based on peak periods and other external factors. Bulky orders may take longer.
Shipping rates are automatically calculated based on live quotes supplied by our shipping partners. The quote takes into consideration, the bulk of your cart, where you want it delivered and if you want express or standard shipping.
Get a shipping rate estimate by adding items to your online cart. Go to the cart by clicking on the shopping cart icon located at the top right of the page. Then enter your shipping destination information into the "Estimate Shipping and Tax" section of the shopping cart summary.
International Shipping
We are currently unable to deliver online orders outside of Australia.
If you are located outside of Australia and wish to place an order offline. Please contact our Mail Order department or send us an enquiry via the orange help bubble located at the bottom right of this page.
RETURNS
Online purchases can be returned/exchanged within 30 days. Some exclusions do apply.
Visit our Returns Policy page for details on how you can return an item.
