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Description

CY4-SHC-12RS520 for SHIMANO 12 SPEEDUltra high performance inner chainring, with superior functionality to any other ovals, specially designed to work with SHIMANO 12 SPEED 50T on SHIMANO FC RS520 crank. CYCLOIDmechanism CYCLOIDis the non circular chainring developed uniquely by Sugino. Autofocus mechanism assists your pedal stroke to remain smooth and efficient at all time so that your pedaling technique can be dramatically improved. Thus, CYCLOIDis the innovative high performance

Front Derailleur Position for installing chainwheel

Bolts are etched with the Sugino75 name

Use only “neutral” cleaning agents for Super Series (S3 finish)

CYCLOIDⅡis the innovative high performance chainring

“Autofocus mechanism” assists your pedal stroke to remain smooth and efficient at all time so that your pedaling technique can be dramatically improved

prevents corrosion and wear

alloy cup and alloy sleeve

please check

as it will increase the friction and collect dirt and dust

We named it ZEN in the hope that it will help you to obtain results you desire

Crank : SUPER SG75 144

CAPACITY BOOSTER (Big Pulley Set) specially designed to work with SHIMANO 12-SPEED drivetrain

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