-
Ronstan Series 20 Ball Bearing Block - Upright Lead MPN-RF20171 SKU: CWR-55137
MPN: RF20171- $30.55
$27.77- $30.55
- (--10%)
- Unit price
- per
- $30.55
$27.77- $30.55
- (--10%)
- Unit price
- per
-
Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount MPN-RF20151A SKU: CWR-55136
MPN: RF20151A- $29.02
$26.38- $29.02
- (--10%)
- Unit price
- per
- $29.02
$26.38- $29.02
- (--10%)
- Unit price
- per
-
Ronstan Series 20 Ball Bearing Block - Single - Cheek MPN-RF20151 SKU: CWR-55134
MPN: RF20151- $22.91
$20.83- $22.91
- (--10%)
- Unit price
- per
- $22.91
$20.83- $22.91
- (--10%)
- Unit price
- per
-
Ronstan Series 20 Ball Bearing Block - Single - Loop Top Becket MPN-RF20111 SKU: CWR-55133
MPN: RF20111- $21.38
$19.44- $21.38
- (--10%)
- Unit price
- per
- $21.38
$19.44- $21.38
- (--10%)
- Unit price
- per
-
Ronstan Series 20 Ball Bearing Block - Single - Loop Top MPN-RF20101 SKU: CWR-55132
MPN: RF20101- $16.76
$15.24- $16.76
- (--10%)
- Unit price
- per
- $16.76
$15.24- $16.76
- (--10%)
- Unit price
- per
-
Ronstan Series 20 Ball Bearing Block - Single MPN-RF20100 SKU: CWR-55131
MPN: RF20100- $29.36
$26.69- $29.36
- (--10%)
- Unit price
- per
- $29.36
$26.69- $29.36
- (--10%)
- Unit price
- per
-
Ronstan Series 30 Fiddle Block - Narrow w/Tube Rivet Head & V-Jam Cleat MPN-RF187 SKU: CWR-55130
MPN: RF187- $49.58
$45.07- $49.58
- (--10%)
- Unit price
- per
- $49.58
$45.07- $49.58
- (--10%)
- Unit price
- per
-
Ronstan Series 30 Fiddle Block - Narrow w/Tube Rivot Head MPN-RF186 SKU: CWR-55129
MPN: RF186- $42.96
$39.05- $42.96
- (--10%)
- Unit price
- per
- $42.96
$39.05- $42.96
- (--10%)
- Unit price
- per
-
Ronstan Series 30 Block - Single - Narrow MPN-RF185 SKU: CWR-55128
MPN: RF185- $25.63
$23.30- $25.63
- (--10%)
- Unit price
- per
- $25.63
$23.30- $25.63
- (--10%)
- Unit price
- per
-
Ronstan Kite Block - Black w/White Sheave (Pair) MPN-RF13101-2 SKU: CWR-55071
MPN: RF13101-2- $20.16
$18.33- $20.16
- (--10%)
- Unit price
- per
- $20.16
$18.33- $20.16
- (--10%)
- Unit price
- per
-
Ronstan Wire Block w/Removable Clevis Pin Head - Nylatron® Sheave - 25mm (1") Sheave Diameter MPN-RF418C SKU: CWR-55036
MPN: RF418C- $36.98
$33.62- $36.98
- (--10%)
- Unit price
- per
- $36.98
$33.62- $36.98
- (--10%)
- Unit price
- per
-
Ronstan Wire Block - Tubular Rivet Head w/Nylatron® Sheave - 25mm (1") Sheave Diameter MPN-RF418 SKU: CWR-55035
MPN: RF418- $33.44
$30.40- $33.44
- (--10%)
- Unit price
- per
- $33.44
$30.40- $33.44
- (--10%)
- Unit price
- per
-
Ronstan Wire Block - Ferrule Top w/Removable Nylontron® Sheave - 45mm (1-34/") Sheave Diameter MPN-RF104 SKU: CWR-55034
MPN: RF104- $59.39
$53.99- $59.39
- (--10%)
- Unit price
- per
- $59.39
$53.99- $59.39
- (--10%)
- Unit price
- per
-
Ronstan Wire Block - Tubular Rivet Head w/Removable Nylatron® Sheave - 45mm (1-3/4") Sheave Diameter MPN-RF103 SKU: CWR-55033
MPN: RF103- $62.60
$56.91- $62.60
- (--10%)
- Unit price
- per
- $62.60
$56.91- $62.60
- (--10%)
- Unit price
- per
-
Ronstan Race Sheave - Acetal Solid Bearing - 66mm (2-5/8") OD MPN-RF1765 SKU: CWR-55032
MPN: RF1765- $14.15
$12.86- $14.15
- (--10%)
- Unit price
- per
- $14.15
$12.86- $14.15
- (--10%)
- Unit price
- per
-
Ronstan Race Sheave - Acetal Solid Bearing - 50mm (1-15/16") OD MPN-RF1759 SKU: CWR-55030
MPN: RF1759- $9.43
$8.57- $9.43
- (--10%)
- Unit price
- per
- $9.43
$8.57- $9.43
- (--10%)
- Unit price
- per
-
Ronstan Series 40 AP Sheave - Acetal Solid Bearing - 40mm (1-9/16")OD MPN-RF41000 SKU: CWR-55029
MPN: RF41000- $10.68
$9.71- $10.68
- (--10%)
- Unit price
- per
- $10.68
$9.71- $10.68
- (--10%)
- Unit price
- per
-
Ronstan Race Sheave - Acetal Solid Bearing - 28mm (1-1/8") OD MPN-RF128 SKU: CWR-55027
MPN: RF128- $6.27
$5.70- $6.27
- (--10%)
- Unit price
- per
- $6.27
$5.70- $6.27
- (--10%)
- Unit price
- per
-
Ronstan Series 25 T-Track - Composite Slide - Series 40 BB Orbit Block™ - Stand Up - Suits 9mm(5/16") Rope MPN-RC72536S SKU: CWR-55019
MPN: RC72536S- $129.06
$117.33- $129.06
- (--10%)
- Unit price
- per
- $129.06
$117.33- $129.06
- (--10%)
- Unit price
- per
-
Blue Performance Hammock w/Forestay Suspension MPN-PC190 SKU: CWR-97901
MPN: PC190- $357.82
$325.29- $357.82
- (--10%)
- Unit price
- per
- $357.82
$325.29- $357.82
- (--10%)
- Unit price
- per
Frequently Asked Questions
-
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.
-
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).
-
Transom savers, tie-down straps, and fenders protect hulls during towing; LED light kits ensure visibility, while bunks/rollers reduce launch friction.
-
Use bow/stern straps rated for 2x boat weight, cross-strap hull sides, and check bunks for even weight distribution to avoid stress cracks.
-
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.