{"product_id":"synchro-block-50mm-single-becket-with-free-spin-be","title":"Synchro Block 50mm Single Becket With Free-Spin Bearing, 990 Lb Working Load, Fits 1\/4 To 3\/8 Inch Lines, High-Density Bearing, Traveler Compatible, Built For Efficiency And Smooth Power Transfer, Real Workhorse On Deck","description":"\u003cdiv\u003eSynchro 50mm Block with Free-Spin Bearing for Halyards\u003cbr\u003e\n✔️ 50mm block, 990 lb WLL, fits 1\/4-3\/8 in lines, high-density Free-Spin \u003cp\u003eThese deck-ready Synchro blocks offer smooth power transfer for halyards, mainsheets, mast feet, and traveler systems. They accept 1\/4-3\/8 in lines and switch between swiveling and fixed shackles for quick deck changes.\u003c\/p\u003e ✅ 50 mm (2.0 in) sheave diameter for smoother rope flow\u003cbr\u003e\n✅ Working load limit 990 lb (449 kg) for strong performance\u003cbr\u003e\n✅ Fits 1\/4-3\/8 in (6.35-9.53 mm) lines for versatility\u003cbr\u003e\n✅ Free-Spin high-density bearing reduces axle diameter for efficiency\u003cbr\u003e\n✅ Self-aligning head prevents line wedging and uneven wear\u003cbr\u003e\n✅ Switchable swiveling or fixed shackles for setup flexibility\u003cbr\u003e\n✅ Stainless steel strap enhances strength and life\u003cbr\u003e\n✅ Traveler compatible for easy deck integration\u003cbr\u003e\n \u003cp\u003e💡 What is a Synchro block used for in sailboat rigging and how does the Free-Spin bearing boost efficiency?\nIn short, a Synchro block helps route lines smoothly and reduces wear, while the Free-Spin bearing cuts friction to boost overall efficiency.\n- syn​chro block for sailboat rigging with low friction and smooth power transfer\n- free-spin bearing reduces axle friction and rope wear\n- handy swivel or fixed shackles simplify deck setups\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48873285779691,"sku":"VXB00XCIX2JI","price":83.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/vxb.com\/products\/synchro-block-50mm-single-becket-with-free-spin-be","provider":"VXB Bearings","version":"1.0","type":"link"}