Ronstan SERIES 55 BALL BEARING RF55111 Black Friday 2023 the Synchro range of blocks

the Synchro range of blocks combine a free spin bearing with a self aligning head to reduce friction and increase efficiency

D diameter (mm)18

Base suits curved mounting surface

Weight34 g

Get the same quality and features loved in our adult suits for the aspiring athlete you know

Ronstan SERIES 55 BALL BEARING RF55111 Black Friday 2023 the Synchro range of blocksSERIES 55 BALL BEARING RF55111 FEATURES Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Easily fitted and securely retained Dyneema Link head Ultra low profile becket Sheave 55 mm Max. Rope 10 mm Max. Cable mm Pin mm M. W. L. 500 kg B. L. 1000 kg Weight 75 g