Brand: Ronstan
Ronstan Series 25 Orbit Block - 1 in. Sheave with Becket & Swivel Shackle
Ronstan Series 25 Orbit Block - 1 in. Sheave with Becket & Swivel Shackle
3 available
About this product
The Ronstan Series 25 Ball Bearing Orbit Block is a single sheave block engineered for high-performance dinghies and small boats up to 4 meters (13 ft.). This compact 25mm block features a 2-stage ball bearing system with high-compression acetal sheaves for smooth, efficient operation in demanding rigging applications.
Key Specifications:
- Sheave diameter: 1 in.
- Maximum rope diameter: 5/16 in.
- Maximum Working Load: 500 lb
- Breaking Load: 990 lb
- Weight: 0.6 oz
- Head type: Swivel shackle
- Becket type: Hollow stainless steel hub (accommodates up to 5/32 in. lashing)
Construction and Use:
- Frame and cheeks: Toughened, glass fiber reinforced nylon
- Sheave and balls: High compression strength acetal
- Ideal for mainsheet and spinnaker sheet turning, control lines, cascading vangs, and cunninghams
- Manufacturer Part Number: RF28100
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-117971
- Model / MPN
- RF28100
- UPC / GTIN
- 9316800661916
- Package dimensions (H × W × L)
- 1" X 2" X 5"
- Package weight
- 0.02 lb
Specifications
- Type
- Ronstan Series 25 Ball Bearing Orbit Block™ - Becket & Swive
Shipping & returns
Shipping & returns
Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.
Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
