Gear rim

M6x12 hexagonal stainless steel screw

Thread type: M6x1 (standard thread) · Material: Chrome steel (colloquially known as stainless steel) · Drive: External hexagon · Screw head: Hexagon · Nominal diameter (thread): 6 mm · Shank: No · Thread length: 12 mm

42-tooth Grimeca flat sprocket

Chain pitch: 1/2" x 3/16" · Chain type: 415H · Material: Steel · Surface: galvanized (blue) · Number of teeth: 42 pcs · Number of fixing points: 4 pcs · Thickness: 4.5 mm · Ø inside: 46 mm

30-tooth Grimeca flat sprocket

Chain pitch: 1/2" x 3/16" · Chain type: 415H · Material: Steel · Surface: galvanized (blue) · Number of teeth: 30 pcs · Number of fixing points: 4 pcs · Thickness: 4.5 mm · Ø inside: 46 mm