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Description

CY4-SHC-RS520 & CAPACITY BOOSTER SETSet of ultra high performance inner chainring "CY4 SHC 12S RS520" and "CAPACITY BOOSTER" (Big Pulleys) specially designed to work with SHIMANO 12 SPEED drivetrain. 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

FC-R7150 (105)

accurate shifting

*Bolts can be used for SG75 DD and OX Series left cranks

No thread locking agent is required

Combinations :

*For inner 32T gearing setup exceeds drivetrain capacity and have slack in the chain when crosschained

CAPACITY BOOSTER (big pulleys) "ZERO FRICTION" version specially designed to work with SHIMANO 12 Speed drivetrain

service and maintenance of the bearing are not required

Material : Cr-Mo steel

3mm / Length=3

1 x Long bolt

(Individual arm - Drive Side or Non-Drive Side)