Towing Equipment› Winches

LEWMAR

50MM SYNC BLOCK TRIPLE BK

$111.84

SKU: L03I 29925003BK

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In Stock
Ships by Jun 14
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Lewmar Synchro Block Triple is a 50mm block engineered for speed, efficiency, and superior handling on sail boats. It utilizes scientifically optimized geometry, a free-spin bearing, and a self-aligning head to reduce friction and increase efficiency. This triple block is designed for boats up to 30ft in length and is suitable for heavy and static loads in applications such as halyard tuning, mainsheet systems, mast foot blocks, mast head blocks, and boom vang systems.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandLEWMAR
Part NumberL03I 29925003BK

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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