525 Motorcycle Front Sprocket Pinion For 1000 ETV Caponord RSV Mille R SL SP RSV Tuono Engine Parts Fit For 1000 ETV Capo Nord 01-08 1000 RSV Mille R SL SP 98-03 1000 RSV Tuono 03-05 motorcycles; drive shaft spline; fits standard 525 drive chain Direct bolt on mounting design; aligns shaft tooth position; no extra during chain drive assembly Smooth polished tooth surface; reduces chain friction loss; maintains stable power output during speed riding hardness structure; supports frequent speed rotation; slows surface abrasion over long mileage Standard inner spline tooth dimension; size matching; keeps tight connection with front drive shaft