Sailing Blocks & Pullies

Sailing Blocks & Pullies

147 products

    Blocks and pullies for Hobie, Nacra and Prindle catamarans.  Mainsheet, Jib sheet, cheek blocks, halyard blocks, replacement sheaves, single, double, triple and quad blocks.

    147 products
    Replacement sheave for mast head on Nacra 5.0, 5.2, 5.5, 5.7, 5.8, 6.0, 18 Square, Prindle 16 and Sol Cat 18 (cats that use a wire halyard). UV-resistant acetal material provides high strength and resistance to impact and wear, as well as excellent low friction properties for bearing applications.
    P-16/NACRA MASTHEAD SHEAVE
    Ronstan
    Hobie 16 Mast head sheave - Old Style Murrays PN 51-16041711 The Hobie 16 Mast head sheave - Old Style is the large plastic pulley sheave that replaces the sheave in the original all aluminum Hobie 16 mast. Requires a 3/8" x 1.5" clevis pin or bolt to install Hobie 16 pre comptip masthead sheave.  Measures 4 7/8" x 3/8" with a 3/8" hole.
    HOBIE 16 MAST HEAD SHEAVE
    Hobie
    Harken 22mm Block Murrays Part# 28-0224 This Harken ball bearing micro single block with stainless side plates is a small block with high load capabilities. It is a premium quality block for your trapeze return system.
    HARKEN 22MM BLOCK
    Harken
    MAST HEAD/BASE SHEAVE H18
    Hobie
    SINGLE BLOCK W/FERRULE
    Ronstan
    Harken 396 - 29mm Harken 180 Pivoting Block with Carbo-Cam, downhaul, Hobie.
    HARKEN 29MM PIVOTING LEAD BLOCK-CARBO-CAM CLEAT
    Harken
    Replacement Sheave Prindle Rudder Upper Ronstan PN RF1741 Replacement sheave for upper part of rudder casting on all models of Prindle catamarans. Replacement for Performance Sports item #4009. 1/4" wide x 3/4" diameter, 1/4" hole.
    ILLUSTRATED PRNDLE RUDDER PARTS LIST
    PRINDLE UPER RUDDER SHEAVE - 4009
    Ronstan
    Murrays 57mm Carbo 6:1 Mainsheet System Murrays Part# 28-61 The Murrays Harken 57mm Carbo 6:1 Mainsheet System is an improved low profile mainsheet system for Hobie 16.  By attaching a fairlead to the back side of the cleat mount the Murrays system does not need a becket on the lower block which makes the system more compact and gives sailors the ability to sheet in farther and or rake the mast back farther before having the mainsheet bottom out and go block to block.
    MURRAYS 57MM CARBO 6:1 MAINSHEET SYSTEM
    Harken
    Harken 29mm Bullet Block Murrays Part# 28-0082 Medium-size Harken single bullet block with Delrin® ball bearings works well for control line or jib sheeting lines. The low-friction bullet block is compact and lightweight, with fast trim and release under high or low loads.
    HARKEN 29MM BULLET BLOCK
    Harken
    Tracker: Sheave The standard replacement sheave for the tracker traveler on all Hobie® 14, 16 and newer 17's. Hobie® factory item #11880000. Tracker is the term used by Hobie for the rear traveler car. This can also be considered a traveler sheave. Fits Hobie Getaway Main Traveler Car.
    HOBIE TRACKER TRAVELER SHEAVE
    Hobie
    BULLET BLOCK LOOP TOP LINKED
    Ronstan
    Kissme Jib Traveler Car and Pulley
    Kissme "OK" Jib Traveler Car and Pulley
    Murrays Sports
    Harken H16 Race 6:1 Main Sheet System Murrays Part# 28-61p The 6:1 Race Mainsheet System is a low profile mainsheet system is super light weight and allows for maximum mast rake. The base block is the 57mm Harken Carbo Ratchamatic from our regular 6:1 system with a 40mm carbo triple on the top. The Harken 57mm base block has a load sensing ratcheting system to help hold the line when it is under tension.
    HARKEN H-16 RACE 6:1 MAIN SHEET SYSTEM
    Harken
    Traveler Sheave H18 - 61890000 Murrays Part# 50-61890000 Hobie factory replacement sheave for Hobie 18 main traveler car. Hobie Part# 61890000
    TRAVELER SHEAVE H-18
    Hobie
    Harken 22mm Cheek Block Murrays Part# 28-0233 Harken micro cheek is used as a downhaul and turning block and as the Hobie 16 jib traveler control line block on the front crossbar. Specifications: 200 lb. SWL 1200 lb. breaking strength 1/4" maximum line diameter 7/8" sheave diameter 2-1/2" long
    HARKEN 22MM CHEEK BLOCK
    Harken
    Harken 29mm Bullet Sheave Murrays Part# 28-0160 Harken's downhaul/halyard sheave makes raising the sail and/or adjusting the downhaul with Harken ball bearing sheaves much easier. This is a direct replacement for the sheaves that came with early Hobie 17s.
    HARKEN 29MM BULLET SHEAVE
    Harken
    JIB HALYARD BLOCK ASSY HOBIE 16/18
    Hobie
    OXEN 3" BLOCK W/PIN
    Oxen
    Harken 57mm Ratchet Block - Swivel, Becket, Cam Cleat Murrays Part# 28-2139 Harken 57mm jib block is great for use on almost all Hobie Cat, Nacra and Prindle. Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Specifications Sheave diameter: 2-1/4" Length: 4-15/16" Weight: 9 oz Shackle pin diameter: 3/16" Maximum line diameter: 3/8" Maximum working load: 600 lb. Breaking load: 1500 lb.
    HARKEN 57MM RATCHET BLOCK- SWIVEL, BECKET, CAM CLEAT
    Harken
    Series 15 BB Block, Single Loop Top
    Ronstan
    Out of Stock
    Hobie 16 Masthead Sheave Spacer
    Hobie
    Mini Bullet Block Murrays Part 23-0911 As used in the Murrays No-Cut EZ-Up Trap Ring Return Kit. Mini bullet block has 1-3/16" sheave, Teflon® bearing and 5/16" line capacity. Hobie Cat® uses #3103 for this block.
    MINI BULLET BLOCK
    Misc
    SINGLE LEAD BLOCK
    Ronstan
    SMALL FIDDLE BLOCK
    Ronstan
    Out of Stock
    Orbit 20mm Single Lashing Murrays part# 21-25109 Ronstan ball bearing Orbit Blocks™ boast the highest strength-to-weight ratio available, achieved through all-composite reinforced polymer materials and multiple attachment options. Use the 20mm BB for control lines on catamarans and dinghies to 16 feet (5m), especially downhaul, outhaul and spinnaker halyards.
    ORBIT 20MM SINGLE LASHING
    Ronstan
    MIDGET SINGLE BLOCK (CHEEK)
    Ronstan
    SPRING TRIP LEVER RETURN
    Oxen
    V-Ring Seal Hub Murrays Part# 005-0761-03
    V-RING SEAL HUB
    Oxen
    Sheave Main Body Murrays Part# 005-0761-04 REBUILDING OXEN BLOCKS Murrays is a complete repair facility for Oxen (aka IFL, Ochsen, Ocean) blocks. Just send us your block and we will rebuild it for an average cost of $60.00 plus parts and shipping. Some individuals have had success repairing their own blocks, but we have had many blocks sent to us in pieces when others have failed.
    OXEN BLOCK MAIN BODY SHEAVE
    Oxen
    O-Ring Seal (Center Screw) Murrays Part# 005-0761-02 REBUILDING OXEN BLOCKS Murrays is a complete repair facility for Oxen (aka IFL, Ochsen, Ocean) blocks. Just send us your block and we will rebuild it for an average cost of $60.00 plus parts and shipping. Some individuals have had success repairing their own blocks, but we have had many blocks sent to us in pieces when others have failed.
    O-RING SEAL(CENTER SCREW)
    Oxen
    OXEN 3" BLOCK W/PIN & BECKET
    Oxen
    Harken 29mm T2 Soft-Attach Block Murrays Part# 28-2146 For catamarans, this tie-on block eliminates the need for shackles, posts, swivels, etc. It is ultra-lightweight and sized like a bullet-block. Specifications: 1-1/8" sheave diameter 330 lb. SWL 1000 lb. breaking strength 5/16" maximum line diameter The high-strength composite T2™ is the first block with no metal shackles or rivets.
    HARKEN 29MM T2 SOFT-ATTACH BLOCK
    Harken
    Harken 29mm Bullet Block-Swivel, Becket Murrays Part# 28-0167 Medium-size Harken single bullet block with swivel and becket has Delrin ball bearings. The low-friction bullet block is compact and lightweight, with fast trim and release under high or low loads. Free-rolling Delrin® ball bearings. Sheave and sideplates are UV-stabilized with carbon-black additive for maximum protection.
    HARKEN 29MM BULLET BLOCK-SWIVEL, BECKET
    Harken
    Harken 29mm Bullet Block-Becket Murrays Part# 28-0083 Medium-size Harken single bullet block with becket has Delrin® ball bearings and works well for control line or jib sheeting lines. The low-friction bullet block is compact and lightweight, with fast trim and release under high or low loads. Free-rolling Delrin® ball bearings. Sheave and sideplates are UV-stabilized with carbon-black additive for maximum protection.
    HARKEN 29MM BULLET BLOCK-BECKET
    Harken
    Harken 38mm Big Bullet Block Murrays Part# 28-0125 Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.
    HARKEN 38MM BIG BULLET BLOCK
    Harken
    Harken 40mm Block - Swivel Murrays Part# 28-2636 Carbo AirBlocks® are 60% stronger and 30% lighter than Harken's classic blocks. Use the 40mm Carbo for jib and mainsheet systems on high-performance dinghies and for loaded control lines on small keelboats.
    HARKEN 40MM BLOCK-SWIVEL
    Harken
    Harken 344 Harken’s compact 29mm Carbo block is extremely strong. This block features a U-lock to hold the swivel in front/side position, or to let it spin freely. The triple’s compact cam arm supports high-load purchases of 5:1 or 6:1. Specifications: 990 lb. SWL 2000 lb. breaking strength 5/16" maximum line diameter 3/16" shackle pin diameter 2-7/8" long Harken #344.
    HARKEN 299MM TRIPLE BLOCK SWIVEL
    Harken
    Harken 29mm Double Block - Swivel Murrays Part# 28-0342 This compact double block is extremely strong and features a U-Lock to hold the swivel in front/side position, or to let it spin freely. Use this miniature Carbo as a mainsheet block on small dinghies such as the Optimist, to increase downhaul, or for low-friction control blocks on any size boat.
    HARKEN 29mm DOUBLE BLOCK SWIVEL
    Harken
    Harken 16mm Block-Becket Murrays Part# 28-0405 The Harken air block offers a very high load in an extremely lightweight block. Excellent for control lines. The overall length is only 1-1/2" long. The 5/8" sheave will accept line as large as 7/32". 250 lb. SWL; 1200 lb. breaking strength.  The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb.
    HARKEN 16MM BLOCK BECKET
    Harken
    Harken 57mm Carbo Ratchamatic 12:1 Low-Profile Mainsheet System Murrays Part# 28-121 The Harken 57mm Carbo Ratchamatic 12:1 Low-Profile Mainsheet System is a Light weight, low profile and very strong. These Carbo AirBlocks® have enormous working range, with a higher working load than standard blocks, even though they are lighter in weight! The Carbo Ratchmatic® is a load-sensing ratchet block that rolls freely in both directions under low loads, and automatically engages the ratchet as loads increase.
    HARKEN 57mm CARBO 12:1 SYSTEM
    Harken