The CT-S500 perfect for SHIMANO ALFINE equipped bicycles, the double pulley chain tensioner can accommodate a front chainring difference of 16 teeth and sprockets sized 18 to 20 teeth (no box packaging).Product features - Shimano ALFINE CT-S500 for SG-S501 / SG-S700



Use: City, Touring, Trekking

Group: Alfine S7000/S700

Model: CT-S500

Type: Double pulley

Speeds: Single

Compatible cassette sprocket: CS-S500

Compatible chain: CN-HG93, CN-HG71, CN-HG53

Max. front difference: 16T

Max. rear sprocket: 20T

Min. rear sprocket: 18T

Dropout: Vertical drop end type

Applicable dropout width: 5-9mm