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tags: 40mm 50mm 57mm 60mm affordable ball bearing bearings becket between block carbo conventional diameter double fiddle harken head high lewmar line load percent sheave single size synchro triple
$92.99
lewmar 90mm synchro block toghead
Lewmar 90mm Synchro Block, Toghead Halyard Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load o [...]. details
$19.99
lewmar 50mm synchro
Lewmar 50mm Synchro Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calculated ove [...]. details
$99.99
laser performance laser boom
Laser Performance Laser Boom & Traveler Block Set. At last, Harken ball bearing blocks for your Lasers mainsheet system! Boom blocks and upper traveler block feature ball bearings for rapid trims and quick eases on the sheet as you round the top mark. One-piece traveler block does away with messing with Brummel hooks and shrink wrap. To install the boom blocks, just remove both eye straps by drilling out the rivets, then replacing them with your new blocks installed. Sold as a complete kit, or individually. details
$54.99
laser performance laser traveler
Laser Performance Laser Traveler Blocks. At last, Harken ball bearing blocks for your Lasers mainsheet system! Boom blocks and upper traveler block feature ball bearings for rapid trims and quick eases on the sheet as you round the top mark. One-piece traveler block does away with messing with Brummel hooks and shrink wrap. To install the boom blocks, just remove both eye straps by drilling out the rivets, then replacing them with your new blocks installed. Sold as a complete kit, or individually. details
$24.99
laser performance laser aft boom
Laser Performance Laser Aft Boom Block with Becket. At last, Harken ball bearing blocks for your Lasers mainsheet system! Boom blocks and upper traveler block feature ball bearings for rapid trims and quick eases on the sheet as you round the top mark. One-piece traveler block does away with messing with Brummel hooks and shrink wrap. To install the boom blocks, just remove both eye straps by drilling out the rivets, then replacing them with your new blocks installed. Sold as a complete kit, or individually. details
$22.99
laser performance laser forward
Laser Performance Laser Forward Boom Block. At last, Harken ball bearing blocks for your Lasers mainsheet system! Boom blocks and upper traveler block feature ball bearings for rapid trims and quick eases on the sheet as you round the top mark. One-piece traveler block does away with messing with Brummel hooks and shrink wrap. To install the boom blocks, just remove both eye straps by drilling out the rivets, then replacing them with your new blocks installed. Sold as a complete kit, or individually. details
$182.99
lewmar 90mm synchro double
Lewmar 90mm Synchro Double Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$57.99
lewmar 72mm synchro fiddle
Lewmar 72mm Synchro Fiddle Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$122.99
lewmar 72mm synchro triple
Lewmar 72mm Synchro Triple Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$122.99
lewmar 90mm synchro block -
Lewmar 90mm Synchro Block
- Fiddle. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcu [...]. details
$107.99
lewmar 72mm synchro block fiddle
Lewmar 72mm Synchro Block, Fiddle Cam. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Ca [...]. details
$84.99
lewmar 72mm synchro double
Lewmar 72mm Synchro Double Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$82.99
lewmar 60mm synchro fiddle block
Lewmar 60mm Synchro Fiddle Block with Cam. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb [...]. details
$79.99
lewmar 60mm synchro triple
Lewmar 60mm Synchro Triple Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$67.99
lewmar 50mm synchro block with
Lewmar 50mm Synchro Block with Becket and Cam. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 4 [...]. details
$57.99
lewmar 50mm synchro triple
Lewmar 50mm Synchro Triple Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$54.99
lewmar 60mm synchro double
Lewmar 60mm Synchro Double Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$54.99
lewmar 50mm synchro fiddle block
Lewmar 50mm Synchro Fiddle Block with Cam. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb [...]. details
$40.33
lewmar 72mm synchro halyard
Lewmar 72mm Synchro Halyard Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcul [...]. details
$39.99
lewmar 50mm synchro double
Lewmar 50mm Synchro Double Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$38.99
lewmar 60mm synchro fiddle
Lewmar 60mm Synchro Fiddle Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$31.99
lewmar 50mm synchro fiddle
Lewmar 50mm Synchro Fiddle Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$25.99
lewmar 60mm synchro halyard
Lewmar 60mm Synchro Halyard Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcul [...]. details
$22.99
lewmar 50mm synchro block with
Lewmar 50mm Synchro Block with Becket. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Ca [...]. details
$18.99
lewmar 50mm synchro halyard
Lewmar 50mm Synchro Halyard Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcul [...]. details
$97.99
lewmar 90mm synchro single
Lewmar 90mm Synchro Single Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$42.99
lewmar 72mm synchro single
Lewmar 72mm Synchro Single Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$27.99
lewmar 60mm synchro single
Lewmar 60mm Synchro Single Block. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 442lb. Calcula [...]. details
$177.99
lewmar 72mm synchro triple block
Lewmar 72mm Synchro Triple Block with Becket. Synchro blocks combine geometry, sheave ratios and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing, but at a more affordable price. With conventional blocks, one of the biggest losses in efficiency comes from the distortion of line as it wraps around the sheave. Synchro blocks provide the optimal ratio between line size, sheave diameter and the interface between rope and sheave. The result is larger sheaves with a smaller axle than exist on conventional blocks. Synchro blocks improve efficiency by nearly 5% on a single block at a load of 44 [...]. details