Gear rim

M6x12 hexagonal stainless steel screw

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

Sprocket 42 teeth Grimeca flat

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

Sprocket 30 teeth Grimeca flat

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