Sugino Engineering Bicycle Pulley Chainring Set CAPACITY BOOSTER 12S DA 32T & & CY4-12S S3/Gold

[Precautions for Purchasing Adult Products] Please check the applicable age restrictions before purchasing. Customs clearance may take additional time and delay delivery. If customs clearance cannot be completed, your order may be cancelled. Chainring (inner only/P.C.D. 110mm) Tooth count: 32T Number of teeth: Guide pulley 12T / Tension pulley 16T Rear derailleur compatibility: Shimano 12-speed RD-R9250 (DURA-ACE Di2) only. Compatibility: Shimano 12-speed *Use genuine Shimano pulley cages. There are no pulley cages specifically for the CAPACITY BOOSTER.