Through Authenticate 
Chain cover for 20”BMX cycles.
Material: PP ABS resin.
Clamp for seat tube chain line=43mm±3mm: Ø25.4mm, Ø28.6mm, Ø31.8mm clip type
Clamp for seat tube chain line=49mm±3mm: Ø25.4L, Ø28.6L, Ø31.8L clip type
Clamp for seat tube chain line=54mm±3mm: Ø25.4XL, Ø28.6XL, Ø31.8XL clip type
Clamp for down tube: chain line=41mm~45mm:Ø38mm~Ø40mm,Ø41mm~Ø44mm, Ø28.6mm rivet type
