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Ronstan Series 60 Core Block™ - Single - Becket MPN-RF64110 SKU: CWR-55261
MPN: RF64110- $195.20
$177.45- $195.20
- (--10%)
- Unit price
- per
- $195.20
$177.45- $195.20
- (--10%)
- Unit price
- per
-
Ronstan Series 60 Core Block™ - Single MPN-RF64100 SKU: CWR-55260
MPN: RF64100- $143.22
$130.20- $143.22
- (--10%)
- Unit price
- per
- $143.22
$130.20- $143.22
- (--10%)
- Unit price
- per
-
Ronstan Series 25 Utility Block - Single - Swivel Shackle Head MPN-RF573 SKU: CWR-55259
MPN: RF573- $27.52
$25.02- $27.52
- (--10%)
- Unit price
- per
- $27.52
$25.02- $27.52
- (--10%)
- Unit price
- per
-
Ronstan Series 25 Utility Block - Single - Loop Head MPN-RF571 SKU: CWR-55258
MPN: RF571- $17.29
$15.72- $17.29
- (--10%)
- Unit price
- per
- $17.29
$15.72- $17.29
- (--10%)
- Unit price
- per
-
Ronstan Series 55 Ratchet Orbit Block™ - Single - Swivel Head - Auto & Manual MPN-RF56100 SKU: CWR-55257
MPN: RF56100- $119.19
$108.35- $119.19
- (--10%)
- Unit price
- per
- $119.19
$108.35- $119.19
- (--10%)
- Unit price
- per
-
Ronstan Series 55 Ball Bearing Orbit Block™ - Single - Becket - Swivel Head MPN-RF55110 SKU: CWR-55256
MPN: RF55110- $64.17
$58.34- $64.17
- (--10%)
- Unit price
- per
- $64.17
$58.34- $64.17
- (--10%)
- Unit price
- per
-
Ronstan Series 50 All Purpose Block - Single - Becket - Universal Head MPN-RF51110 SKU: CWR-55255
MPN: RF51110- $70.19
$63.81- $70.19
- (--10%)
- Unit price
- per
- $70.19
$63.81- $70.19
- (--10%)
- Unit price
- per
-
Ronstan Series 50 All Purpose Block - Single - Universal Head MPN-RF51100 SKU: CWR-55253
MPN: RF51100- $46.33
$42.12- $46.33
- (--10%)
- Unit price
- per
- $46.33
$42.12- $46.33
- (--10%)
- Unit price
- per
-
Ronstan Series 50 High Load Block - Single - Universal Head MPN-RF50100HL SKU: CWR-55247
MPN: RF50100HL- $88.85
$80.77- $88.85
- (--10%)
- Unit price
- per
- $88.85
$80.77- $88.85
- (--10%)
- Unit price
- per
-
Ronstan Swivel Cleat & Base MPN-RF5 SKU: CWR-55232
MPN: RF5- $92.86
$84.42- $92.86
- (--10%)
- Unit price
- per
- $92.86
$84.42- $92.86
- (--10%)
- Unit price
- per
-
Ronstan Series 30 Utility Block - Single - Ferrule Eye Head MPN-RF469 SKU: CWR-55221
MPN: RF469- $31.13
$28.30- $31.13
- (--10%)
- Unit price
- per
- $31.13
$28.30- $31.13
- (--10%)
- Unit price
- per
-
Ronstan Nylatron Sheave Box - Single Upright Lead Block MPN-RF453 SKU: CWR-55219
MPN: RF453- $40.91
$37.19- $40.91
- (--10%)
- Unit price
- per
- $40.91
$37.19- $40.91
- (--10%)
- Unit price
- per
-
Ronstan Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head MPN-RF46100 SKU: CWR-55220
MPN: RF46100- $98.12
$89.20- $98.12
- (--10%)
- Unit price
- per
- $98.12
$89.20- $98.12
- (--10%)
- Unit price
- per
-
Ronstan Series 45 Core Block™ - Single - Swivel Shackle Head MPN-RF44100 SKU: CWR-55217
MPN: RF44100- $90.89
$82.63- $90.89
- (--10%)
- Unit price
- per
- $90.89
$82.63- $90.89
- (--10%)
- Unit price
- per
-
Ronstan Series 40 Ball Bearing Block - Single - Stand Up MPN-RF40140 SKU: CWR-55211
MPN: RF40140- $56.53
$51.39- $56.53
- (--10%)
- Unit price
- per
- $56.53
$51.39- $56.53
- (--10%)
- Unit price
- per
-
Ronstan Series 40 Ball Bearing Block - Single - Universal Head MPN-RF40100 SKU: CWR-55210
MPN: RF40100- $42.01
$38.19- $42.01
- (--10%)
- Unit price
- per
- $42.01
$38.19- $42.01
- (--10%)
- Unit price
- per
-
Ronstan Series 40 All Purpose Block - Single - Cheek MPN-RF41151 SKU: CWR-55206
MPN: RF41151- $45.83
$41.66- $45.83
- (--10%)
- Unit price
- per
- $45.83
$41.66- $45.83
- (--10%)
- Unit price
- per
-
Ronstan Series 40 All Purpose Block - Single - Becket - Loop Top MPN-RF41111 SKU: CWR-55204
MPN: RF41111- $39.71
$36.10- $39.71
- (--10%)
- Unit price
- per
- $39.71
$36.10- $39.71
- (--10%)
- Unit price
- per
-
Ronstan Series 40 All Purpose Block - Single - Stand Up MPN-RF41140 SKU: CWR-55205
MPN: RF41140- $45.83
$41.66- $45.83
- (--10%)
- Unit price
- per
- $45.83
$41.66- $45.83
- (--10%)
- Unit price
- per
-
Ronstan Series 40 All Purpose Block - Single - Becket - Universal Head MPN-RF41110 SKU: CWR-55203
MPN: RF41110- $42.77
$38.88- $42.77
- (--10%)
- Unit price
- per
- $42.77
$38.88- $42.77
- (--10%)
- Unit price
- per
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.