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Ronstan Series 40 Ball Bearing All Purpose Exit Block Narrow MPN-RF45711N SKU: CWR-97300
MPN: RF45711N- $125.98
$114.53- $125.98
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Series 40 Ball Bearing All Purpose Exit Block NarrowThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened...- $125.98
$114.53- $125.98
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Ronstan Series 40 Ball Bearing Exit Block HHL MPN-RF45711HL SKU: CWR-97299
MPN: RF45711HL- $255.77
$232.52- $255.77
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Series 40 Ball Bearing Exit Block HHLThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber...- $255.77
$232.52- $255.77
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Ronstan Series 40 Orbit Ball Bearing Exit Block MPN-RF45711 SKU: CWR-97298
MPN: RF45711- $148.71
$135.19- $148.71
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Series 40 Orbit Ball Bearing Exit BlockThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber...- $148.71
$135.19- $148.71
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- Unit price
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Lewmar 72mm HTX Block - Single MPN-29197201 SKU: CWR-94312
MPN: 29197201- $189.15
$171.95- $189.15
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72mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high-quality materials,...- $189.15
$171.95- $189.15
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Lewmar 60mm HTX Block - Single MPN-29196001 SKU: CWR-94311
MPN: 29196001- $120.95
$109.95- $120.95
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60mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high-quality materials,...- $120.95
$109.95- $120.95
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Lewmar 90mm Synchro Block - Single MPN-29929001BK SKU: CWR-94310
MPN: 29929001BK- $196.85
$178.95- $196.85
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90mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on...- $196.85
$178.95- $196.85
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Lewmar 60mm Synchro Block - Single MPN-29926001BK SKU: CWR-94307
MPN: 29926001BK- $57.15
$51.95- $57.15
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60mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on...- $57.15
$51.95- $57.15
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Lewmar 50mm Synchro Block - Single MPN-29925001BK SKU: CWR-94306
MPN: 29925001BK- $43.95
$39.95- $43.95
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50mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on...- $43.95
$39.95- $43.95
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Lewmar 72mm Synchro Block - Single MPN-29927201BK SKU: CWR-94303
MPN: 29927201BK- $86.85
$78.95- $86.85
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72mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on...- $86.85
$78.95- $86.85
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Wichard Soft Snatch Block - 16mm Rope Size MPN-36030 SKU: CWR-94146
MPN: 36030- $1,099.27
$999.34- $1,099.27
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Soft Snatch Block - 16mm Rope SizeAvailable in 4 models, the collection of soft snatch blocks will quickly become an essential piece of kit: flying sail furling, Furler terminals, rigging deviation, and barber-haulers.Made from anodized aluminum, these are both lightweight and robust. The Dyneema...- $1,099.27
$999.34- $1,099.27
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Wichard Soft Snatch Block - 12mm Rope Size MPN-36020 SKU: CWR-94145
MPN: 36020- $741.63
$674.21- $741.63
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Soft Snatch Block - 12mm Rope SizeAvailable in 4 models, the collection of soft snatch blocks will quickly become an essential piece of kit: flying sail furling, Furler terminals, rigging deviation, and barber-haulers.Made from anodized aluminum, these are both lightweight and robust. The Dyneema...- $741.63
$674.21- $741.63
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Wichard Soft Snatch Block - 10mm Rope Size MPN-36010 SKU: CWR-94144
MPN: 36010- $581.55
$528.68- $581.55
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Soft Snatch Block - 10mm Rope SizeAvailable in 4 models, the collection of soft snatch blocks will quickly become an essential piece of kit: flying sail furling, Furler terminals, rigging deviation, and barber-haulers.Made from anodized aluminum, these are both lightweight and robust. The Dyneema...- $581.55
$528.68- $581.55
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Harken 57mm Aluminum Low Load Black Magic Block w/Swivel MPN-3226 SKU: CWR-93959
MPN: 3226- $294.26
$267.51- $294.26
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57mm Aluminum Low Load Black Magic Block with SwivelBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems....- $294.26
$267.51- $294.26
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Ronstan Series 15 Webbing Block MPN-RF15107 SKU: CWR-93779
MPN: RF15107- $20.79
$18.90- $20.79
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Series 15 Webbing BlockRonstan’s Series 15 blocks are available in 15 different configurations or as a sheave only.The smallest and lightest ball bearing blocks on the market, stainless steel ball bearings help create impressive working loads for these tiny 15mm blocks.FEATURES Stainless steel cheeks...- $20.79
$18.90- $20.79
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Harken 60mm Element Triple Block MPN-6275 SKU: CWR-93771
MPN: 6275- $311.66
$283.33- $311.66
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60mm Element Triple BlockElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for...- $311.66
$283.33- $311.66
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Harken 57mm Carbo Block Flip Flop w/Cam MPN-2143 SKU: CWR-92859
MPN: 2143- $445.06
$404.60- $445.06
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57mm Carbo Block Flip Flop with CamSmall Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles.Features: Sheave Ø (mm) 57 mm Sheave Ø (in) 2 1/4 in Maximum line Ø...- $445.06
$404.60- $445.06
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Schaefer Twin Sheet Lead 25x3MM - Black MPN-32-77 SKU: CWR-91831
MPN: 32-77- $410.08
$372.80- $410.08
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Twin Sheet Lead 25x3MM - Black32-77 Twin Sheet Lead block. The anodized aluminum body is machined from 6061-T6 aluminum and articulates to ensure a proper lead. Anodized aluminum sheave runs on Nomex™/Teflon™ bearing for a low-friction high strength sheave. Pin stop makes adjustment simple. Features:...- $410.08
$372.80- $410.08
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Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat MPN-2141 SKU: CWR-89302
MPN: 2141- $403.55
$366.86- $403.55
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57mm Triple Carbo Block - Swivel, Becket, Cam CleatCarbo Ratchets allow sailors to hand-hold loaded lines and offer a balance between holding power and controlled easing.Features: Sheave Ø (mm) 57 mm Sheave Ø (in) 2 1/4 in Maximum line Ø (mm) 10 mm Maximum...- $403.55
$366.86- $403.55
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Ronstan Series 55 BB Orbit Block, Double Becket Swivel MPN-RF55210 SKU: CWR-88900
MPN: RF55210- $135.62
$123.29- $135.62
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Series 55 BB Orbit Block, Double Becket SwivelLightweightKilogram for a kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimizes the...- $135.62
$123.29- $135.62
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Ronstan Series 55 BB Ball Bearing Orbit Block - Upright Lead MPN-RF55171 SKU: CWR-88830
MPN: RF55171- $83.16
$75.60- $83.16
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Series 55 BB Ball Bearing Orbit Block - Upright LeadFeatures: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Specifications: Sheave: 2-5/32" Max Rope: 3/8" MWL: 1100lb BL: 2200lb Weight: 3.2oz...- $83.16
$75.60- $83.16
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Frequently Asked Questions
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Repack bearings annually or every 10,000 miles with marine-grade grease to prevent water intrusion and seizing. Check for play or heat after each launch.
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Hubs are sized by axle spindle (1-1/16", 1-3/8", 1-3/4"); match brake type (electric/drum/hydraulic) and bolt pattern (4/5/6 on 4.5-6.5" centers).
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Transom savers, tie-down straps, and fenders protect hulls during towing; LED light kits ensure visibility, while bunks/rollers reduce launch friction.
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Use bow/stern straps rated for 2x boat weight, cross-strap hull sides, and check bunks for even weight distribution to avoid stress cracks.
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Choose 1,200-2,000 lb capacity for tongue weights up to 10% of trailer GVWR; crank or A-frame jacks for easy boat positioning.