JT SPROCKETS Steel Standard Rear Sprocket 478 - 520 JTR478.42

With their leading edge technology and using only the highest grade of special steel alloys, JT Sprockets produce a full range of superior quality motorcycle front and rear sprockets.

Ultra-durable high carbon C49 steel
Chain_pitch: 520.0 Material: Steel Rear_sprocket_teeth_count: 42.0 Rear_sprocket_type: 478 Rear_sprocket_version: Standard