Motorcycle Rear Sprocket 37T 38T Fit For 748 For Strada 748SP 95-98 748S 748 Biposto 1996-2002 748 Fit For Strada 748SP 95-98 748S 748 Biposto 96-02 ; Fit For single-sided swingarm sprocket carrier 520 drive chain supports 37 tooth 38 tooth two gear ratio options; enables flexible acceleration speed tuning for daily commute circuit riding CNC curved tooth design cuts chain friction rotational shake; transfers torque evenly for steady responsive throttle control induction treated carbon with reinforced thick tooth roots; abrasion deformation under sustained high-rev sport riding crafted to OEM mounting dimension benchmarks; symmetrical pre-drilled holes achieve flush contact without or hub