Tourney FC-TY501 Cranksets Features-Chainguard model Item Specifications-Color:Black-Spindle Interface Type:Square Taper JIS-Pedal Spindle:9/16"-Chainring BCD:Riveted-Rings:48/38/28-BB Included:No-Crank Intended Use:Mountain-Defined Color:Black-Crank Length (mm):170-Drivetrain Speeds:6-Drivetrain Speeds:7-Drivetrain Speeds:8-Number of Chainrings:Triple-Chainline/Hub Compatibility:130 Hubs-Chainline/Hub Compatibility:135/142 Road Disc Hubs > 415 mm Chainstay