Ronstan Series 75 Core Block™ - Single Air Pumps UPC : 010407230740

UPC : 010407230740

the Superfly Pro is designed for long-range accuracy for crossbows shooting over 350 fps

-Replaces factory trigger on CZ-452

At a slim 9 inches axle-to-axle when fully cocked and a folding stock and stirrup

Think of the old “Motorola Brick Phone” from the late 1980s versus today’s iPhone

Ronstan Series 75 Core Block™ - Single Air Pumps UPC : 010407230740Series 75 Core Block Single Core Blocks are a true all round solution. A tuned 2 stage bearing system 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. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and