New 'CAPACITY BOOSTER' for Shimano 11-speed drivetrain. Just swapping out Shimano original pulleys to CAPACITY BOOSTER increases rear derailleur capacity.
New addition to CYCLOID SHC series, for Shimano 12-speed. We offer standard 34T/36T and super small 32T/33T which provides optimal low gearing for hill climbs.
New pulleys for Shimano 12-speed. Just swapping out Shimano original pulleys to CAPACITY BOOSTER increases rear derailleur capacity and prevents chain slack when CY4-SHC is used.