Ronstan Core Block, Series 100 - Single, Universal Head 22799-0001 there are fewer potential leak

there are fewer potential leak points

UV stabilised

Rounded door for original equipment aesthetics with no sharp edges to catch clothing or crew

Base size: 69x68 mm

Ronstan Core Block, Series 100 - Single, Universal Head 22799-0001 there are fewer potential leakA balanced design approach incorporating functionality, performance and style makes the Series 100 Core Blocks the right choice for performance cruising or racing applications. A full contact bearing provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Glass Fibre reinforced nylon sheave, alloy cheeks and stainless fixings complete the