Product Name : Spur gear Material: 45# steel Tooth thick: 15mm Tooth Pitch:4.71mm Diameter: 69mm-91.5mm Teeth: 44T - 59T Model: 1.5 mold Shape: Cylindrical tools Position: External equipment Tooth hardness: hardened Shape: Spur tools Tooth surface treatment: High frequency quenching Temperature: -20°C-120°C Product Advantage: 1 Strong and durable 2 Stable performance three Safe and reliable 4 Smooth transmission 5 High temperature quenching 6 Long existence Scope of application:Motorcycle parts: driven gears and components, sprockets, starter pawls, ratchets, megastar wheels, double gears, secondary gears wheel, duplex gears, secondary gears, gears, pushrod cams, bushings, simple bearings, centring bushings, driven discs, intake and exhaust gears, and Follower discs, intake and exhaust valve seats.